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With so many cube sat missions planned, I thought I would do a non technical post on these little critters.........

 

To launch anything into space is expensive and a way to reduce cost has always been paramount. Modern electronics continually reduces in size, expands in capabilities and becomes cheaper with mass production. If we reduce size, we get more units per given volume. If we reduce weight, we can use a cheaper launcher to get the device into orbit. If we can reduce size and weight, along with mass produced parts, we can block buy "transport" and begin to bring the capabilities to researchers and experimental enthusiasts with some semblance of affordability......hence cube sat's (small affordable satellites of a standard). 

 

 

Beginning in 1999, California Polytechnic State University (Cal Poly) and Stanford University developed the CubeSat specifications to promote and develop the skills necessary for the design, manufacturing, and testing of small satellites intended for low Earth orbit (LEO) that perform a number of scientific research and explore new space technologies. Although the bulk of development and launches comes from academia, several companies build CubeSats such as large-satellite-maker Boeing, and several small companies. CubeSat projects have also been the subject of Kickstarter campaigns.[3] The CubeSat format is also popular with amateur radio satellite builders.

 

The standard unit "U" is 10 x 10 x 10 cm, volume of 1 litre and approximately 1 kg mass (4" x 4" x 4", under 3 lbs). Size can be varied only longitudinally and are usually 1U, 1.5U, 2U, 3U or 6U. There are other classes of small satellites but the cube sat is now the defacto standard.

 

 

 

Different classifications are used to categorize such miniature satellites based on mass.[13] 1U CubeSats belong to the genre of picosatellites.

Minisatellite (100

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Related post....not meant to be "doom news"...just 2 visualizations of the amount of "space debris" and satellites up there......NOT TO SCALE but placements on actually tracked data........The reason space faring nations have to get their act together sooner than later.......

 

Starting with Sputnik, on 4th October, 1957, in LEO (Low Earth Orbit)

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It's either carelessness or a diabolical plan...

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There are already debris mitigation protocols for new launches, an example being SpaceX using pneumatic pushers instead of explosive bolts (which leave a mess) where ever possible. The S2 also de-orbits itself for most missions.

With affordable ion propulsion and other de-orbiting mechanisms for small sats, even very small ones, will be able to do controlled re-entries rather than stay up for ages. Some of the ion thrusters are the size of a postage stamp - or smaller.

Another method is for a satellite to deploy a long streamer after a period of time, or on command. This increases drag in the upper atmosphere, causing re-entry.

Happy 4th of July........... :D

 

 

Just a reminder for NASA TV early in the morning....Progress 60 docking....

 

 

Russia's unmanned Progress 60 freighter is scheduled to arrive at the International Space Station at 3:13 a.m. EDT (0713 GMT) Sunday (July 5). Watch the docking live in the window below beginning at 2:30 a.m. EDT (0630 GMT), courtesy of NASA TV:

http://www.space.com/17933-nasa-television-webcasts-live-space-tv.html

 

 

 

ISS  Research and Development Conference....7th to 9th July 2015...Boston, MA, US

 

 

The conference features expert researchers, business incubators, implementation partners, leaders from NASA and CASIS, as well as highlighted speakers, including pharmaceutical giant Eli Lilly and SpaceX CEO Elon Musk.

http://spaceref.com/calendar/calendar.html?pid=8717

 

 

 

First US crew to spend 4th July in space, STS-4 in 1982

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http://www.americaspace.com/

 

Second US crew to spend 4th July in space, STS-50 in 1992

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http://www.americaspace.com/

 

Cheers........

Progress 60 Arrives at ISS

 

NASA TV carried live coverage of the mission as well as coverage from the Korolev center outside Moscow. Progress 60 arrived at 3:11am EDT, 2 minutes early with a flawless flight. Coverage began 8 km from the ISS with Progress at 12 m/s and reduced to .1 m/s at 200m from the ISS. A station keeping roll was done by Progress to align the solar array just prior to docking. Docking was automated and Gennady Padalka was at the manual controls if needed. Unloading will be done on Monday morning.

 

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As such, the Progress arrived at the Pirs docking compartment in the early hours of Sunday, bringing with it more than three tons of food, fuel and supplies.

In total, the Progress delivered 1,940 lbs propellant, 106 lbs oxygen, 926 lbs water and 3,133 lbs parts, supplies and experiment hardware.

The vehicle was greeted by Commander Gennady Padalka, Mikhail Kornienko and NASA astronaut Scott Kelly. It is also understood this rendezvous will be recorded for an IMAX film.

The ISS will also gain a supply boost from the next Japanese HTV vehicle. HTV-5 is due for launch on August 16, when it is scheduled to depart from the Tanegashima Space Center.

Its four-day trip to the station will conclude when it

Progress 60 docking at ISS

 

Approach...

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Docking bay location

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Docking video...Note..On data screen, bottom left is distance to station, in km, and velocity in m/s

 

 

 

Russian Progress cargo ship glided to a smooth docking with the International Space Station early Sunday, bringing more than 3 tons of supplies and equipment to the lab complex.

The unpiloted spacecraft

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In the above post, is mention of the NASA FISO presentation by Bigelow Aerospace....basically a talk about past, present and future operations by the company. I have not found a video so far, but the above link has an mp3 audio track and a pdf with pictures to follow a presentation.

 

This photo caught my attention. I went to the NASA archives and have a copy for posting.....

 

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24 foot inflatable space station concept in 1961.........and half a century later.........

Next Cargo Vessel will be Japans (JAXA) HTV5...tentative date is 16 August 2015...

Press release

 

 

Mitsubishi Heavy Industries, Ltd. and the National Research and Development Agency, Japan Aerospace Exploration Agency (JAXA) decided to launch the H-IIB Launch Vehicle No. 5 (H-IIB F5) with the H-II Transfer Vehicle "KOUNOTORI5" (HTV5, a cargo transporter to the International Space Station) onboard in the following schedule.
Scheduled date of launch:August 16 (Sunday), 2015 (Japan Standard Time, JST)Launch time:around 10:01 p.m. (JST)*1Launch windows:Aug. 17 (Mon.) through Sept. 30 (Wed.), 2015 (JST)*2Launch Site:Yoshinobu Launch Complex at the Tanegashima Space Center
(*1) Time will be determined by the updated orbit of the International Space Station (ISS).
(*2) The launch day and time during the launch windows shall be decided by the international coordination for ISS operations.

http://global.jaxa.jp/press/2015/06/20150609_h2bf5.html

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HTV Overview

The H-II Transfer Vehicle (HTV), developed and built in Japan, is an unmanned cargo transfer spacecraft that delivers supplies to the International Space Station (ISS).

The HTV is launched from the Tanegashima Space Center aboard an H-IIB launch vehicle with up to 6,000kg of supplies. When the HTV approaches close to the ISS, the Space Station Remote Manipulator System (SSRMS), known as "Canadarm2," grapples the HTV and berth it to the ISS. After the supplies, such as food, clothes and a variety of experiment equipment, are unloaded, the HTV will then be loaded with waste materials, including used experiment equipment or used clothes. The HTV will then undock and separate from the ISS and reenter the atmosphere. While the HTV is berthed to the ISS, the ISS crew will be able to enter and remove the supplies from the HTV Pressurized Logistics Carrier.

 

 

HTV specifications
Item Specification
Length 9.8m (including thrusters)
Diameter Approx. 4.4m
Total Mass Approx. 10,500kg
Cargo capacity (supplies and equipment) Approx. 6,000kg
  -Pressurized cargo: 4,500kg
  -Unpressurized cargo: 1,500kg
Cargo capacity (waste) Approx. 6,000kg
Target orbit to ISS Altitude: 350km to 460km
Inclination: 51.6 degrees
Maximum duration of a mission Solo flight: Approx. 100 hours
Stand-by (on orbit): More than a week
Berthed with the ISS: Maximum 30 days

http://iss.jaxa.jp/en/htv/overview/

Before I do a blurb on cube sat launching, we'll have to cover the Japanese (JAXA) "Kibo" module.....

 

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he Japanese Experiment Module (JEM), known as "Kibo" (pronounced key-bow) which means hope in Japanese, is Japan's first human-rated space facility and the Japan Aerospace Exploration Agency's (JAXA's) first contribution to the International Space Station (ISS) program.

Kibo was designed and developed with a view to conducting scientific research activities on orbit. In Kibo, a maximum of four astronauts can perform experimental activities.

Currently, wide variety of scientific, medical, and educational experiments are conducted on Kibo. As a part of the ISS, Kibo provides extensive opportunities for space environment utilization.

Resources necessary for Kibo's on-orbit operation, such as air, power, data, and cooling fluid, are provided from the US segment of the ISS.

http://iss.jaxa.jp/en/kibo/

 

The "Kibo" module is the largest pressurized module on the ISS. It also contains a pressurized upper cylindrical attachment for storage of supplies and experiments and can be accessed from the main module. The main module can hold 23 racks of which 10 are standardized racks for experimentation. 

 

Attached to the end is the "porch", called the EF (Exposed Facility), of which also contains experimental modules, grapple points for storage, communications equipment,  and a small slide track assembly which is used in conjunction with the outer and inner sealed hatches.

Main module specs

 

 

Shape Cylindrical
Diameter Outer 4.4m
Inner 4.2m
Length 11.2m
Mass 14.8t
Number of Rack Places Total racks: 23 *
System Racks: 11
ISPR: 12 (10 for payload racks, 1 for freezer rack, and 1 for storage rack)
Power
(provided from US segment) Max. 24kW 120V?Direct current?
Environment Temperature: 18.3?26.7?
Humidity: 25?70%
Lifetime More than 10 years

http://iss.jaxa.jp/en/kibo/about/kibo/jpm/

 

The robotic arm was previously covered....The JEMRMS...Japanese Experimental Module Remote Manipulator System...

 

EF...porch

 

The Exposed Facility (EF) provides a multipurpose platform where science experiments can be deployed and operated in the exposed environment. The payloads attached to the EF can be exchanged or retrieved by Kibo's robotic arm, the JEM Remote Manipulator System (JEMRMS).

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Logistic modules for the porch

 

The Experiment Logistics Module-Exposed Section (ELM-ES) will be attached to the end of the Exposed Facility (EF) to provide payload storage space. The ELM-ES can carry up to three payloads at launch. In addition, the ELM-ES provides a logistics function where the ELM-ES can be detached from the EF and returned to the ground aboard the space shuttle.

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Robotic arm

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Upper storage

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Inner comm rack and outer comm system

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http://iss.jaxa.jp/en/kibo/

 

Launcher next....

Quick review of sat sizes...

 

 

Different classifications are used to categorize such miniature satellites based on mass.[13] 1U CubeSats belong to the genre of picosatellites.

Minisatellite (100

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While digging up some information, I came across a "jem".......Back on page 5, we were discussing space suits. Coverage was done starting with the EMU and Orlan suits used on the ISS, progressing to modern prototypes. I really wanted to cover the shuttles early suits as well but topics progressed.

 

NASA has an outstanding photograph archive...and they also have selected books for download, endorsed by NASA and a lot are free. I came across this one...

 

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Dressing for Altitude, U.S. Aviation Pressure Suits, NASA

 

Anybody who has watched many movies or television shows has seen them-the ubiquitous silver suits worn by pilots as they explore the unknown. They are called pressure suits, and one can trace their lineage to Wiley Post or, perhaps, a bit earlier.

 

Although space suits, which differ from pressure suits in subtle, but important ways, have been well covered in literature, pressure suits have gone unheralded except as introductions to the space suit histories. This e-book is an attempt to correct that, and covers pressure suits from the beginning through the end of the Space Shuttle Program.

http://www.nasa.gov/connect/ebooks/dress_for_altitude_detail.html

 

At this link, you can download the pdf (17.8 Mb), mobi (24.2 Mb) or epub (36.2 Mb)....free...

 

The pdf is 537 pages crammed full of data, stories, B+W and color photo's from the very beginning of flight up to the shuttle and experimental aircraft. This book is a must read for aviation buffs.....some of the early suit's will make you laugh...and others are just stunning.

 

Other aviation books are also at the link....enjoy.......Cheers

 

The JAXA module "Kibo" was just covered for small sat launching. I thought I would cover the module next door, ESA's Columbus module. For this post I would like to also include the "transport" of this module.....

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Columbus is a science laboratory that is part of the International Space Station (ISS) and is the largest single contribution to the ISS made by the European Space Agency (ESA).

Like the Harmony and Tranquility modules, the Columbus laboratory was constructed in Turin, Italy by Rome based Thales Alenia Space with respect to structures and thermal control. The functional architecture (including software) of the lab was designed by EADS in Bremen, Germany where it was also integrated before being flown to the Kennedy Space Center (KSC) in Florida in an Airbus Beluga. It was launched aboard Space Shuttle Atlantis on February 7, 2008 on flight STS-122. It is designed for ten years of operation. The module is controlled by the Columbus Control Centre, located at the German Space Operations Centre, part of the German Aerospace Center in Oberpfaffenhofen near Munich, Germany.

The European Space Agency has spent

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Just to add a tad of leviity I just saw this posted on The Register

Excellent "find"....I downloaded a copy for myself and am checking out their other video's......these guys are good.......

Station Life for July 2015

 

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Every month on StationLIFE, we focus on a scientific area where the International Space Station is conducting groundbreaking research. This month, astronaut Tracy Dyson talks the station's role as a one-of-a-kind microgravity laboratory.

http://spaceref.com/international-space-station/video-stationlife-space-laboratory---july-2015.html

 

This video is approximately 25 minutes, but is worth watching. Experiments are covered, general station life and....video of inside the ISS during reboost and how the crew feels the acceleration....good video....

 

 

General news for Tuesday....

 

 

The three-member orbiting Expedition 44 crew was busy Tuesday with a variety of research. On the ground a new set of station crew members is getting ready to depart to their launch site in Kazakhstan at the end of the week.

NASA astronaut Scott Kelly worked on science and life support maintenance throughout the day. Kelly completed a test and questionnaire for the Fine Motor Skills study that observes how astronauts interact with touch-based technologies and repair sensitive equipment. He also worked on a science freezer and replaced a recycle tank.

Commander Gennady Padalka sampled surfaces in the orbital laboratory checking for hardware sterility. One-Year crew member Mikhail Kornienko worked inside a pair of docked Progress resupply ships including the new P60 space freighter which arrived Sunday morning.

Back on Earth, three new Expedition 44 crew members are preparing for a news conference and traditional ceremonies before departing to the Baikonur Cosmodrome on Friday. The trio will conduct final preflight training in Kazakhstan before launching July 22 on six-hour ride to the International Space Station.

https://blogs.nasa.gov/spacestation/2015/07/07/orbital-crew-works-science-as-new-trio-readies-for-mission/

 

New book released by NASA today...

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A new book from NASA is showing how research aboard the International Space Station helps improve lives on Earth while advancing NASA's ambitious human exploration goals.

NASA will release

  • Like 1

NASA ISS in Orbit Status for 6 July 2015

 

Progress docking

Habitability studies 

Robonaut R2 repairs

Kinetics experiments

Onboard training

Massive list of activities...see link for more data

 

 

 

Ground Activities
All activities were completed unless otherwise noted.

Robonaut operations
Progress video download
Battery 1A2 capacity test
Three-Day Look Ahead:

Tuesday, 07/07: ECLSS recycle tank R&R, Fine Motor Skills, Express Rack Bulb Replacement
Wednesday, 07/08: VEG-01, Plant Gravity Sensing 2 sample prep, Capillary Beverage
Thursday, 07/09: NanoRacks CubeSat Deployer install on MPEP, training for Emergency Response
QUICK ISS Status - Environmental Control Group:

Component - Status
Elektron - On
Vozdukh - Manual
[???] 1 - SM Air Conditioner System ("SKV1") - Off
[???] 2 - SM Air Conditioner System ("SKV2") - On
Carbon Dioxide Removal Assembly (CDRA) Lab - Standby
Carbon Dioxide Removal Assembly (CDRA) Node 3 - Operate
Major Constituent Analyzer (MCA) Lab - Shutdown
Major Constituent Analyzer (MCA) Node 3 - Operate
Oxygen Generation Assembly (OGA) - Standby
Urine Processing Assembly (UPA) - Standby
Trace Contaminant Control System (TCCS) Lab - Off
Trace Contaminant Control System (TCCS) Node 3 - Full Up

http://spaceref.com/international-space-station/nasa-international-space-station-on-orbit-status-6-july-2015.html

 

Robonaut R2

Thought I would do a quick blurb on this one, since it was mentioned in the status report and you may ave noticed it in a few of the "posters" that I uploaded a few posts back.

 

There have been several prototypes of this dexterous humanoid robot. This has been a collaboration between NASA, GM and Oceaneering. Many organizations are now involved in this as well as scholastic inputs. Robonaut R2, is the first US built unit on the ISS, and was delivered by STS-133 in February 2011. It is designed for interior experimental use and was confined to a pedestal mount (no legs) until SpaceX delivered it's legs in 2014. The legs are not normal legs. The legs have 7 joints with claws and a camera/IR sensors in the claw "palm". This was done to make it more flexible for climbing surface structures. The arms are "normal" with fast actuator motors and synthetic ligaments in the fingers...The arms are quite agile and the robot can use the tools that an astronaut would use. The Robonaut R2, is a work in progress, and is mirrored on the ground with several other prototypes. For now, this robot is being put through trials and upgrades, and will eventually be put to work with mundane tasks such as air filter replacement and cleaning/packaging duties.

In 2017, a new unit designed to operate outside the station will be sent up. "Dextre" and Canadarm2 will have a buddy to "hang" around with.....

Robonaut R2 can also be used via VR simulation as well...

 

Robonaut R2 in a fixture on ISS

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Robo gets "legs"

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Robo had too much sugar in his coffee

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Robo's cousin 4 wheeling...

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Here are 2 video's....

First robotic movement on the ISS...

 

January 2015 "discussion" about Robonaut R2 developments....

 

General links for above data....

http://spaceref.com/international-space-station/nasa-international-space-station-on-orbit-status-6-july-2015.html

http://www.space.com/27161-space-station-robonaut-legs.html

http://robonaut.jsc.nasa.gov/

http://www.cbc.ca/news/technology/nasa-s-international-space-station-humanoid-robonaut-finally-gets-its-legs-1.2615714

https://en.wikipedia.org/wiki/Robonaut

  • Like 1

Just prior, we covered the JAXA "Kibo" module and ESA's Columbus module. Since we are on this "end', I thought it might be an idea to throw some data and photo's down on the module in the middle of these two, called "node2" or Harmony module. First I will show the picture you saw last time for reference. The module that joins the two is Harmony, and for some reason has no label....

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Harmony joins the two side modules and joins to Destiny...the front coupling was for the shuttle..photo a little dated...

 

 

 

Node 2 was developed for NASA under an ESA contract with European industry, with Alcatel-Alenia Space as the prime contractor. Responsibility for Node 2 development was assigned to the Italian space agency, ASI. The structural design is based on that of the Multi-Purpose Logistics Modules and the European Columbus laboratory.

NASA held a competition amongst schoolchildren in the United States to find a name for the Node 2 module. On 15 March 2007 the new name Harmony was announced.

Node 2, or Harmony, was launched in October 2007 on Space Shuttle flight STS-120 (ISS Assembly Flight 10A).

http://www.esa.int/Our_Activities/Human_Spaceflight/International_Space_Station/Node_2_Connecting_Module

 

 

The module acts as an internal connecting port and passageway to international science labs and cargo spacecraft. Harmony is a utility hub, providing air, electrical power, water, and other systems essential to support life on the station. It distributes resources from the station

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Just to put things in context, here is what we started with.....

 

On Dec. 6, 1998 the Space Shuttle Endeavour delivered the Unity Node and mated it with the Russian Zarya Control Module. On Dec. 13, 1998, the shuttle undocked and returned to Earth leaving a fledgling International Space Station (ISS) in low Earth orbit.

 

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Today we have.......

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Tomorrow????????

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Cheers

This is a story that I think needs to be covered, in a round about way...please have patience with me.....

 

We have had 3 accidents in a span of a year, and all related to ISS transport. As many have stated, space is tough...I believe most of us have seen an accident that has left a lasting impression. Accidents have causes and remedies are sought to prevent further similar situations.

 

To tell this story, I must cover the early years briefly where pioneering work took place. Half a century has taught us a safer way to accomplish space activities. In the early days the "industry" used pure oxygen atmospheres, many flammable products, made even worse with pure oxygen, were used routinely. Items were taken into space which could have caused damage if left floating in a cabin. Fire must be avoided at all costs. NASA was aware of these issues and at the time, was trying to reduce this threat while handling a multitude of new issues in the quest for space travel.

 

A strange issue appeared and stumped a lot of people. Reports of experimentation had to be documented while in space to refine flight procedures. The problem was the apparatus to write with...a wooden pencil. writing got smeared, tips broke off, debris could get stuck in equipment and the pencils were flammable. Mechanical pencils were even tried, but still, tips would break off in the capsules.

 

This is where the "urban legend" of the expensive space pen started. Some numbers that I have seen thrown around were for $10 million and I saw one quote for $19 million, all unsubstantiated. NASA initially looked into designing a pen for space but quickly gave up as costs were going to sky rocket because the specifications they wanted were the problem..

1) operate in a vacuum

2) operate with no gravity

3) operate with temperature range of -120 C to 150 C

In the early 60's NASA approached Paul Fisher of Fisher Pen Company and explained the situation. Fisher stated at the time that it couldn't be done and NASA left the project on hold indefinitely. 

 

These NASA requirements presented a challenge to Paul Fisher and it was one he was going to solve....several years later and approximately $1 million of his own money and he did the "improbable" at the time. He made the pen work and cover most of the temperature range. Paul Fisher, in December 1967, beat his "demon", with his own money and countless hours, and sold the first bunch of pens to NASA for $2.95 a pen.

 

This quote is from Fisher Pen Company...

 

When the astronauts began to fly, like the Russians, they used pencils. But the lead sometimes broke and became a hazard by floating in the capsule's atmosphere where there was no gravity.  It could float into an eye or nose, or cause a short in the thousands of exposed electrical connections in the spacecraft.   Since the fire on Apollo 1, which three Astronauts died, NASA required a writing instrument that would not burn in a 100% oxygen atmosphere.   In the early sixties, NASA approached Paul C. Fisher, who was President for Fisher Pen Co. and has been in the ball point pen industry since 1948, the year in which he conceived the idea for and produced his famous Bullet pen.  In addition, he was familiar with the problems of the early ballpoint pens leaking and drying out.  NASA approached him to develop a pen that would not have any of these problems.  Fisher did not think that this could be done and told them so.  Soon afterward, he had a dream which led him to start working on a pressurized pen with a sealed cartridge.  After several years and many experiments, he successfully developed the first pressurized pen.  Paul C. Fisher estimates that he spent over one million dollars of his own money.  By July 1965, when NASA approached him again, he was ready.   Fisher sent the first samples to Dr. Robert Gilruth, Director of the Houston Space Center at the time.  The sample Space Pens were thoroughly tested by NASA, and passed all tests. In December 1967 he sold the first Fisher Space Pens to NASA for $2.95 each.  NASA began using the Fisher AG-7

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Bits and Pieces.....

 

ISS R&D Conference, Boston...Last day...

 

 

The final day of the 2015 International Space Station (ISS) Research and Development conference closed the event with multiple talks looking at exploration beyond low-Earth orbit (LEO) and novel ways the space station is affecting life on Earth.

Panel sessions began with a talk about the commercial capabilities and technologies that will be needed

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    • Likely nothing will be done in corporate America, there have been countless Tesla self-driving incidents. Then again, there have also been countless human operated incidents. It's literally daily news here in Canada, to the extent that it's now odd if we get a day where a collision doesn't get announced on the radio throughout the day...
    • SKG Hand Massager with Heat OS500 hands on by Steven Parker I was offered the chance to test out the SKG Hand Massager with Heat OS500, and full disclosure, they let me keep it regardless of my findings. Anyway, I jumped at the chance due to my long hours sitting at my desk, mousing around. Apologies for the knife cut across the top of the box; that was my doing, being a bit too heavy-handed with opening up the outer packaging. First up, what's in the box: SKG Hand Massager with Heat OS500 1x Type-C charging cable User Manual 1-Year Warranty (card) In short, everything you need to get started. According to the official Amazon listing, here are the key features: Full-Hand Air Compression: OS500 wraps your fingers, palm, and wrist with multi-chamber air compression for a complete hand relaxation experience. The extended massage chamber helps cover more of the hand and wrist area than standard palm-only hand massagers Palm Kneading with 6 Modes & 6 Intensities: Built-in palm kneading rollers add a hands-on massage feel, while 6 preset modes and 6 pressure levels let you choose the comfort level that fits your day—from gentle relaxation to a firmer full-hand massage 3 Heat Levels with Cooling Fan: Choose from 104°F, 113°F or 122°F warmth to suit different seasons and comfort preferences. The built-in cooling fan helps reduce stuffiness during heated sessions, keeping your hand feeling fresh and comfortable Easy Visual Display & Smart Timer: The digital image display clearly shows massage area, mode, intensity, heat level, and remaining time at a glance. Select 10, 15, or 20-minute sessions for quick office breaks, evening relaxation, or everyday hand care Rechargeable, Cordless & Comfortable: A 3000mAh battery supports over 90 minutes of full-function use on a full charge, with convenient USB-C charging. The soft inner lining, smooth ABS/PU finish, and premium black-gold design make OS500 ideal for home, office, or gifting With all that out of the way, here are my own findings. I gave it a try on both left and right hands, and as you can maybe see from the above YouTube Short, (sorry for the shaky video), my whole hand fits in, but my wrist barely enters the Hand Massager. I was able to push through a bit more with my fingertips extending out the other end to get a bit of massaging on the start of my wrist. Usage For some reason, there is a strap that is very difficult to fasten to my wrist with one hand. I am not sure what function it has, and it isn't mentioned in the user manual. The only thing I could find was in the product images that claimed "wrist precision". Unlike the Bob and Brad Hand Massager, this device does not massage the wrist anyway, even though a "wrist mode" is mentioned, which must be for smaller hands than I have, as it is mainly intended for the hand and fingers. In addition, for its steeper price, there are no disposable gloves provided in the box, which is a bit of an issue considering the internal cover (which appears to be elasticated nylon) cannot be removed for washing; so you are left with only one choice: always thoroughly wash your hands before using it. I can imagine this thing getting a bit grimy after a period of use, and that is a bit of a shame. With that said, the buttons on the device, from left to right, do the following: Heat button: 3-level heat control at 104°F, 113°F, or 122°F Mode button: Auto mode Circular mode Soothing mode Relax mode Palm and fingers mode Palm and wrist mode Intensity button: from (First-time users) 15Ka, 25Ka, 35Ka, 45Ka, 55Ka, 60Ka (Intensive relief) Knead button: on or off (6 pressure levels) Power button: Long-press to turn on or off Cooling button: turn on or off the cooling fan Also, in the product imagery, it states there are 36 "custom modes," but nowhere is it listed what these modes are. I can only imagine that they mean a combination of all of the above settings in different intensity levels. The device itself seems to rely on a single "kneading" mechanism located at the palm area of the hand, which spins when in use, and the other massage features are mainly utilized through the air sacs, increasing and decreasing at various levels on the hand and fingers. I am not sure it offered too much relief for someone who is typing and operating a mouse for hours at a time; further testing may be required. It does feel nice, though. Finally, you may be wondering how this fits into the scope of a tech website? Well, let me tell you something: sometimes I sit for up to 15 hours working on Neowin, and although I take breaks in between, it takes a toll on my body. I think in the immediate absence of a partner to apply relief, a good massager like this Hand Massager can shed the strains of the day in just a couple of 15-minute bursts. On the official website, this has an MSRP of $99.99, but luckily for our readers, it is selling at $10 off for just $89.99 right now on Amazon. SKG Hand Massager with Heat OS500 for $89.99 (with $10 off coupon), $99.99 MSRP For me, this gets a thumbs hands(?) down. However, it could be improved by making it so that the protective covering could be removed and thrown into the washing machine, or get yourself some disposable gloves to use with it. As an Amazon Associate, we earn from qualifying purchases.
    • Thanks for the info, but I'm still not sure if I need this....
    • We check out the SKG PS700 Neck Massager by Steven Parker I was offered the chance to test out the SKG PS700 Neck Massager, and full disclosure, they let me keep it regardless of my findings. Anyway, I jumped at the chance due to my long hours sitting at my desk; I figured it could offer some neck pain relief. What's in the box: SKG PS700-2 Neck Massager Rechargeable Battery (inside massager) Type-C USB cable User Manual Quick Start guide 1-Year Warranty In short, everything you need to get started. According to the official listing, here are the key features: Biomimetic Kneading & High Torque Motor: Designed with innovative biomimetic kneading heads that perfectly simulate the touch of human hands. Powered by a high-torque motor, this massager delivers powerful and precise deep tissue relief to effectively target stiff neck muscles and release built-up tension Soothing Heat & Integrated Sound Relaxation: Experience the ultimate Relaxationation with our dual-action approach. The soothing heat function gently warms your neck, while the built-in sound Relaxation provides calming audio tracks, helping you achieve a state of mindfulness and mental tranquility during your physical massage Cordless Convenience & Travel-Ready & Father's Day Gifts: Crafted for maximum portability and ease of use. Its lightweight, cordless design allows you to enjoy a premium massage anywhere without the hassle of tangled wires-whether you're taking a quick break at your desk or winding down at home Versatile Relief for Home & Office: An essential wellness companion for office workers, gamers, frequent travelers, or anyone looking to integrate mindfulness into their daily routine. It seamlessly fits into your lifestyle, providing instant neck relief whenever and wherever you need it Safe & Premium Materials: Manufactured with high-quality, skin-friendly materials to ensure a safe and comfortable experience without irritation. SKG backs this device with dedicated customer service, making it a thoughtful tech-health gift for family and friends App & Bluetooth Music Control: Connect via Bluetooth to control your massage settings through the dedicated app and enjoy your favorite music during your massage session for a fully customizable and immersive relaxation experience Red Light Warmth Technology: Features advanced red light warmth technology that penetrates deep into neck muscles to enhance blood circulation and provide soothing comfort while relieving muscle tension and stiffness Design With all that out of the way, here are my own findings. SKG does not say what materials are used to make the neck massager. However, on the product website, it mentions "soft-touch silicone" with what looks like PU leather cushioning, with the rest being mostly made up of plastics. On the inside of the massager, there are two "biomimetic kneading heads" that are motorized for the different styles of massage, which are not actually listed at all in the paper user manual, but the standard included modes are: De-stress mode, Mediation mode, Relax mode, Shiatsu mode. The massager looks quite premium and is actually very comfortable to wear. This massager is small and light enough to go anywhere, as it doesn't get in the way of anything, so I was able to use it in the chair while writing this review. Unlike the back massager, SKG does not warn in the user guide not to use it for more than 30 minutes a day (or two 15-minute sessions). However, there is a long laundry list of important safeguards to consider before and during the use of the device, and it is warned that the neck massager is not waterproof. It also includes a 1,400mAh battery with a rated power of 14W and input of 5V, which is the standard for up to USB 3.0 power (although the Amperage is not mentioned at all). SKG does not say how long it takes to charge, but a quick calculation at 2A (if that is what it is) would mean it would take roughly 1.5 hrs to charge from empty. In any case, the light around the button changes from orange to green on a full charge. In addition, it is not possible to use the device while it is charging. On the right of the neck massager is the On/Off and modes button, which also acts as a joystick. You can operate all the modes directly from the power button, as well as the app, which I'll get into a bit later: Push up: Short press to adjust Heat levels On/Off button: long press Mode Switching: Short press (while in operation) ➕ Push left: increase Music volume ➖ push right: decrease Music volume Push down: Short-press to turn Music on or off The massager defaults to De-stress mode, and it is not stated anywhere if the neck massager has overheat protection. This time around, regarding heat, the only detail I could find is that it has "triple action soothing heat." The temperature stages are not listed anywhere in the paper manual, Amazon listing, or official website. The heat levels can be adjusted through the app or directly on the device using the joystick button. Usage There's also the SKG Health app, which makes using the massager far easier than feeling around for the button on the side of your neck. If the app is stopped, you are required to log in with a verification code over email, which I am not too pleased with, as this means it will only work that way for however long SKG decides to support it through said app. However, I was not able to get the app to connect to the OS500, which I have reported back to my contact. Bluetooth appeared to be working on the neck massager as it became available to pair with my phone, but the SKG app failed to discover it. Before I forget, there's also a switch next to the USB charging port to deactivate and activate the Voice Prompt, which, when enabled, audibly tells the user when switching intensities, modes, or connecting to the app and informs when the massages start and are completed. That said, on to my likes and dislikes, which are listed below. What I didn't like Unable to connect the Neck Massager to the app Use through the mobile app relies on continued support from SKG What I liked Can be used without the app Cordless use Light and comfortable to wear Heat is also quite comfortable Where to buy: According to the official website, this has an MSRP of $249.99, but is currently $50 (on Amazon). To sweeten the deal a bit more, there's also an in-page coupon that knocks a further $20 off the price. SKG PS700-2 Neck Massager for $179.99 on Amazon (was $199.99) Apply the in-page $20 off coupon for the final price of $179.99 Just like the back massager, this gets a confused thumbs up (due to the cost). However, I cannot rate it through app usage as it failed to connect. As an Amazon Associate, we earn from qualifying purchases.
    • This Samsung T7 external SSD deal lasts less than a day by Sayan Sen Recently we had covered some nice deals of internal NVMe SSDs which include the 4TB TeamGroup G50 for only $400, the WD_BLACK SN7100 2TB for just $243, as well as the Samsung 990 PRO 1TB for $370. If however you require an external SSD for portability and quick data transfers and have a budget of less than $200 the Samsung T7 1TB model is currently on a limited time deal at just $190, it's lowest price in nearly three months. The deal ends today so you better hurry if you need one (purchase link below). The T7 weighs in at just 72 grams meaning it should be fairly easy to carry around helping in the portability department. Via its USB 3.2 Gen 2 interface the T7 promises sequential read speeds of up to 1050 MB/s and writes of 1000 MB/s. It is also fairly robust with a drop protection of up to 2 meters, though bear in mind that this is not waterproof. For that you will have to choose the rugged T7 Shield. The technical specifications of the Samsung T7 1TB are given in the table below: Specification Value Model Code (1TB) MU-PC1T0T / MU-PC1T0H Interface USB 3.2 Gen 2 (10 Gbps) Dimensions (W × H × D) 85 × 57 × 8 mm Weight 72 g Sequential Read Speed Up to 1,050 MB/s Sequential Write Speed Up to 1,000 MB/s Drop Resistance Up to 2 m (6.6 ft) Encryption AES 256-bit hardware encryption Operating Temperature 0°C to 60°C Non-Operating Temperature -40°C to 85°C Humidity 5% to 95% (non-condensing) Shock Resistance 1,500 G, duration 0.5 ms, 3-axis (non-operating) Vibration Resistance 20–2,000 Hz, 20 G (non-operating) Get it at the link below: Samsung T7 Portable SSD, 1TB External Solid State Drive, MU-PC1T0T/AM, Gray: $189.98 (Sold and Shipped by Amazon US) Good to know This Amazon deal is U.S. specific, and not available in other regions unless specified. We only use first-party seller links (at the time of article publishing); ensure that you purchase from a first-party seller link only. Check out Today's Deals on Amazon | or our recent tech deals. Become a Prime member (for Students or SNAP) via Neowin Get Prime Access - Prime for half price (for qualifying Medicaid, EBT, SNAP) Subscribe to Prime Video, Audible Plus, Music Unlimited or Kindle Unlimited via Neowin As an Amazon Associate, we earn from qualifying purchases.
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