barsoap

@barsoap@lemm.ee

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What is the cheapest way to beat climate change? (www.youtube.com)

There are lots of ways we are tackling the climate crisis, bringing down emissions and sucking carbon out of the atmosphere. But which method is the most cost-effective? For a given investment, which draws down the most carbon emissions? In this video I answer that question… and then talk about why that answer doesn’t...

The Dangerous World of Ukraine's Artillerymen (www.youtube.com)

We interview half a dozen artillerymen, medics, and others, in this exploration of the life of artillerymen in the most intensive artillery war on the planet, the Russian invasion of Ukraine. The interviews are extensive and unfiltered. They cover topics like living on the front, cluster munitions, living underground, the mental...

The American Origins of Putin's Madness (www.youtube.com)

This is a long one, flipping a common understanding of things on its head: Instead of seeing certain things e.g. tankies believe as Russian-caused disinformation (most prominently, colour revolution theory) it traces that stuff back to Lyndon LaRouche and chalks up what Russia is doing to KGB-brains swallowing an American...

Watch electricity hit a fork in the road at half a billion frames per second (www.youtube.com)

In this video, I measure a wave of electricity traveling down a wire, and answer the question - how does electricity know where to go? How does “electricity” “decide” where electrons should be moving in wires, and how long does that process take? Spoiler alert - very fast!...

How Many Planets in Our Solar System? Glad You Asked! -- How Astronomy Knew 6 Planets, Then Found 20 More, Then Went Back To 8 (For Now) (media.ccc.de)

This is from the 37th Chaos Communication Congress, still ongoing y’all might find other things of interests there, e.g. sticking with looking at stars the talk about the Extremely Large Telescope. Congress schedule, live streams, relive and released videos (i.e. final cuts not the automatic relive stuff which is often quite...

[37c3] The Extremely Large Telescope (ELT): Building the biggest optical telescope on earth (media.ccc.de)

AstronomersEngineers^1^ presenting at the 37th Chaos Communication Congress for a general but technical audience. The congress is still going on in case you’re interested, lots of interesting stuff there and don’t be afraid of German talks there’s real-time dubbing....

Cut anything, even diamond (www.youtube.com)

Today we’re looking at an ion milling machine. This instrument accelerates argon particles to high velocities and then slam them into your sample, acting as an atomic sandblaster. The sample is slowly etched due to the transfer of kinetic energy from the argon gas molecules. It can etch literally any material, even diamond!

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