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Such an Amazing Piece of Art

Do you need headphones for your gaming? Checkout thenordgrenexperience.com for the best selction or search for anything. 

Amazing girl D.va (Hana Song) in headphones: Overwatch (game by Blizzard)  digital drawing  [Artist: KAIWANG]

The Quadski gives the term “all-terrain vehicle” a whole new meaning.

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I interrupt the Kuji posts to bring you this! Here we have the headphones, and playbutton that were available during the Pupupu Train theme! I haven’t tried them out yet, but I’ll be sure to make an updated post regarding it later on. For now, here’s a few shots of how they look like! 

It’s interesting to watch the procedures needed to make repairs during a spacewalk. They don’t have the luxury of being able during a plumbing project to make 4 trips to the hardware store for parts I broke and have to make a new drain line or supply line.

From Discovering the Secrets of the Universe to In-Space Servicing, We’ve Got The Tools for the Job

If you need to fix something on Earth, you could go to a store, buy the tools you need, and get started. In space, it’s not that easy.

Aside from the obvious challenges associated with space (like it being cold and there being no gravity), developing the right tools requires a great deal of creativity because every task is different, especially when the tools need to be designed from scratch. From the time an engineer dreams up the right tools to the time they are used in space, it can be quite a process.

On Nov. 15, astronauts Luca Parmitano and Drew Morgan began a series of spacewalks to repair an instrument called the Alpha Magnetic Spectrometer (AMS-2) on the exterior of the International Space Station. The first of four spacewalk focused on using specialized tools to remove shields and covers, to gain access to the heart of AMS to perform the repairs, and install a new cooling system.

The debris shield that covered Alpha Magnetic Spectrometer floats away toward Earth as astronaut Drew Morgan successfully releases it.

Once repaired, AMS will continue to help us understand more about the formation of the universe and search for evidence of dark matter and antimatter.

These spacewalks, or extravehicular activities (EVAs), are the most complex of their kind since the servicing of the Hubble Space Telescope. AMS is particularly challenging to repair not only because of the instrument’s complexity and sensitivity, but also because it was never designed to be fixed. Because of this design, it does not have the kinds of interfaces that make spacewalks easier, or the ability to be operated on with traditional multi-purpose tools. These operations are so complex, their design and planning has taken four years. Let’s take a look at how we got ready to repair AMS.

Thinking Outside of the (Tool) Box

When designing the tools, our engineers need to keep in mind various complications that would not come into play when fixing something on Earth. For example, if you put a screw down while you’re on Earth, gravity will keep it there — in space, you have to consistently make sure each part is secure or it will float away. You also have to add a pressurized space suit with limited dexterity to the equation, which further complicates the tool design.

In addition to regular space complications, the AMS instrument itself presents many challenges — with over 300,000 data channels, it was considered too complex to service and therefore was not designed to one day be repaired or updated if needed. Additionally, astronauts have never before cut and reconnected micro-fluid lines (4 millimeters wide, less than the width of the average pencil) during a spacewalk, which is necessary to repair AMS, so our engineers had to develop the tools for this big first. 

With all of this necessary out-of-the-box thinking, who better to go to for help than the teams that worked on the most well-known repair missions — the Hubble servicing missions and the space station tool teams? Building on the legacy of these missions, some of our same engineers that developed tools for the Hubble servicing missions and space station maintenance got to work designing the necessary tools for the AMS repair, some reworked from Hubble, and some from scratch. In total, the teams from Goddard Space Flight Center’s Satellite Servicing Projects Division, Johnson Space Center, and AMS Project Office developed 21 tools for the mission.

Designing and Building

Like many great inventions, it all starts with a sketch. Engineers figure out what steps need to be taken to accomplish the task, and imagine the necessary tools to get the job done.

From there, engineers develop a computer-aided design (CAD) model, and get to building a prototype. Tools will then undergo multiple iterations and testing with the AMS repair team and astronauts to get the design just right, until eventually, they are finalized, ready to undergo vibration and thermal vacuum testing to make sure they can withstand the harsh conditions of launch and use in the space environment. 

Hex Head Capture Tool Progression:

Hex Head Capture Tool Used in Space: 

Practice Makes Perfect

One of the reasons the AMS spacewalks have been four years in the making is because the complexity of the repairs required the astronauts to take extra time to practice. Over many months, astronauts tasked with performing the spacewalks practiced the AMS repair procedures in numerous ways to make sure they were ready for action. They practiced in:  

Virtual reality simulations:

The Neutral Buoyancy Laboratory:

The Active Response Gravity Offload System (ARGOS):

Astronauts use this testing to develop and practice procedures in space-like conditions, but also to figure out what works and doesn’t work, and what changes need to be made. A great example is a part of the repair that involves cutting and reconnecting fluid lines. When astronauts practiced cutting the fluid lines during testing here on Earth, they found it was difficult to identify which was the right one to cut based on sight alone. 

The tubes on the AMS essentially look the same.

After discussing the concern with the team monitoring the EVAs, the engineers once again got to work to fix the problem.

And thus, the Tube Cutting Guide tool was born! Necessity is the mother of invention and the team could not have anticipated the astronauts would need such a tool until they actually began practicing. The Tube Cutting Guide provides alignment guides, fiducials and visual access to enable astronauts to differentiate between the tubes. After each of eight tubes is cut, a newly designed protective numbered cap is installed to cover the sharp tubing.

Off to Space

With the tools and repair procedures tested and ready to go, they launched to the International Space Station earlier this year. Now they’re in the middle of the main event – Luca and Drew completed the first spacewalk last Friday, taking things apart to access the interior of the AMS instrument. Currently, there are three other spacewalks scheduled over the course of a month. The next spacewalk will happen on Nov. 22 and will put the Tube Cutting Guide to use when astronauts reconnect the tubes to a new cooling system.

With the ingenuity of our tool designers and engineers, and our astronauts’ vigorous practice, AMS will be in good hands.

Check out the full video for the first spacewalk. Below you can check out each of the tools above in action in space!

Debris Shield Worksite: 2:29:16 – Debris Shield Handling Aid 2:35:25 – Hex Head Capture Tool (first) 2:53:31 – #10 Allen Bit 2:54:59 – Capture Cages 3:16:35 – #10 Allen Bit (diagonal side) 3:20:58 – Socket Head Capture Tool 3:33:35 – Hex Head Capture Tool (last) 3:39:35 – Fastener Capture Block 3:40:55 – Debris Shield removal 3:46:46 – Debris Shield jettison

Handrail Installations: 4:00:53 – Diagonal Beam Handrail Install 4:26:09 – Nadir Vacuum Case Handrail Install 4:33:50 – Zenith Vacuum Case Handrail InstallVertical Support Beam (VSB)

Vertical Support Beam (VSB) Worksite: 5:04:21 – Zip Tie Cutter 5:15:27 – VSB Cover Handling Aid 5:18:05 – #10 Allen Bit 5:24:34 – Socket Head Capture Tool 5:41:54 – VSB Cover breaking 5:45:22 – VSB Cover jettison 5:58:20 – Top Spacer Tool & M4 Allen Bit 6:08:25 – Top Spacer removal 7:42:05 - Astronaut shoutout to the tools team

Streaming rather than cable or satellite dish. Making sure you have a high speed modem to utilize the bandwidth available from your internet service. TV accessories from nordgrenexperience.com

I am part of the transitional boundary between two generations.  I‘m not quite a Millennial, but I do not identify as Gen Z by any means.  I am old enough to vaguely remember the 90s, but not to appreciate them; I grew up on reruns of 90s shows, and watched movies from the 80s and 90s because that’s just what my parents owned when I was born.

I saw the fall of analog and the rise of digital; I grew up with a VCR (which I still own to this day), and witnessed the transition to DVD.  We are currently in the middle of a new transition away from physical media entirely, and I’m not sure I like it; I want to be able to have things, not just to license a copy that can be taken away at the studio’s whims.  Everything is a rights license or a subscription now, bleeding you dry so you can have access rather than ownership.

Cellphones became ubiquitous in my lifetime; when I was a kid, nobody had one, they were big and expensive, and you had to pay for each minute.  If you went over your monthly allotment, you would either be charged an arm and a leg or your phone would just stop working, dropping all calls because you just don’t have any time left.  Does anyone remember when they had text limits?  It was the dark ages!  I didn’t get a cellphone until I was in high school, and now I can’t imagine letting your kids leave the house without one.

Smartphones didn’t even exist until I was in middle school, and now they’re the default, the standard.  They’ve revolutionized the way we communicate, they’ve gotta be the most influential technology of the 21st century, hands down.  It peaked early.  That said, smart devices are the bane of my existence because now we live in an Orwellian surveillance state where the government and private companies basically own you.  It’s depressing.

I’m sure every generation goes through phases like this; what is history if not one prolonged period of change.  Nothing is static, there is no long term status quo, everything keeps moving forward no matter what.  The progress of time is the most predictable thing in existence, yet we are almost always blindsided by it.  Like, I know 2008 was 11 years ago, but I haven’t really internalized that fact, it’s abstract, because 2008 is simultaneously yesterday and ancient history from a lifetime ago.

Solar power to power and recharge all your electronics.

Reimagining solar energy. ☀︎

How to talk to me when I have headphones on: Don’t.