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esmiii.bsky.social
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I've seen a lot of video of the recent Etna eruption that panicked visitors. Here's a somewhat different perspective on it: from spaaaaaaace! www.esa.int/ESA_Multimed... 🔭🧪

Two 7.5 digit meters to do a high school lemon battery experiment. If it's worth doing, it's worth over doing.

EEVblog 1688 - Constant Current Sources EXPLAINED + DEMO DC Constant Current sources explained and demonstrated. Forum: www.eevblog.com/forum/blog/e... www.youtube.com/watch?v=xGwn...

Coverage of Senator Kelly's efforts. Use planet.ly/senateletter to encourage your Senators to join him. payloadspace.com/kelly-rallie...

40 Years ago Carl Sagan knew about Climate change and he was so aware of it's impact on Nature more than us we do right now.

Looks like Firefly's latest Alpha rocket launch didn't go exactly to plan today fireflyspace.com/missions/alp...

@firefly-aerospace.bsky.social en.wikipedia.org/wiki/Unix_time

Orbital

PhD Timeline xkcd.com/3081

@sciguyspace.bsky.social do you find it odd that Amazon Kuiper KA-01 still has not been scheduled? There might be a story here. Rocket issue? Payload issue? FAA issues because of musk interference?

Unpopular opinion: If someone offered me the chance of a lifetime, to experience something exceptionally few people will ever experience in their lifetime, I'd f'ing do it. Would I post about it on social media? Yeah I would. Am I a bad person? Maybe. See also: Airplane and Helicopter Pilot

When you create a simulator for your machine, you can generate a shitload of automated test cases to make sure the machine does the right thing in various circumstances.

Drone footage released by Isar Aerospace from the first ever launch attempt of their Spectrum rocket. It narrowly and thankfully avoided the launch complex by just a few dozen meters on the way back down.

Finally finished uploading my "Intro to PCB Design" lectures from my class this semester - Part 1 at youtu.be/N544CMR8I-M and rest linked from there. Slides and example project for students to complete at github.com/colinoflynn/... if you want to reuse it! #pcb #pcbdesign #electronics #kicad

Five years ago today, most historical UK monthly rainfall observations were not available to scientists. But the 66,000 pieces of paper containing the data had been scanned. With covid lockdown approaching we saw an opportunity to transcribe the data. #RainfallRescue began... 🧵

Thanks. Everyone seems mad at me again (as usual...from both sides). We did a "soft release" on this CS show (first in 3 years)so that those who never unsubscribed from the feed and REALLY wanted this got first crack at it. They got that. So here's the link: dts.podtrac.com/redirect.mp3...

I built a Playstacean!

Phyllopteryx taeniolatus, the common seadragon, is native to Australia coastal waters. They rely on really effective camouflage to blend into seaweed, have a long jawless snout that lets them slurp up invertebrate prey. A truly *impressive* snoot. (📷: Katieleeosborne)

By popular demand, here’s some cool pics from inside the rocket factory

I feel like the president does not understand tit-for-tat or how it has become the standard for diplomacy.

I don't follow more people because I am but a single human who wants his bluesky feed to be a curated stream of delightful reads, not an unmanageable firehose of posts he will never get to. If you followed me on the unspoken condition of a reciprocal follow, it's okay to unfollow me now.

Reminder that I don't argue with fascists here, I block them. I also block people who whine that I won't listen to the fascists. Who gets to determine when someone is acting like a fascist and/or fascist book licker? Why, I do. If you don't like it, try not being a fascist and/or a boot licker.

The first person to document that light had a speed is, arguably, Danish astronomer Ole Rømer, in 1676. Our story starts with the challenge of calculating longitude. In 1598 Philip III of Spain offered a large prize for any method to accurately determine east/west coordinates for a ship at sea.

It would be helpful if more people understood renewable energy is actually an extremely disruptive technology and the reason monied interests are trying to make folks hate it is that they are the ones which will be disrupted.

(1/3) It needs repeating: in 1994, Ukraine was persuaded to give up its nuclear weapons to Russia in return for the US, the UK, and Russia guaranteeing Ukraine’s sovereignty, security, and territorial integrity.

Okay, nerds, buckle in! It's time for some SCIENCE. Back in the late 1960s, a scientist got some government funding from the National Science Foundation (NSF) and the Atomic Energy Commission to look for interesting bacteria living in extreme environments. 1/x

Nobody's asking elected Dems to legislate right now. Constituents want them to act like politicians who are as alarmed by what's happening as they are, which is especially rich after an election season that spent a lot of time painting the opposition as threats to democracy (which they are!).

Designing hardware for space is, unsurprisingly, hard! Join me for 35 minutes of discussion about all the considerations that go into designing and manufacturing a tiny little hinge.