It's eschatology in motion: 62 tests carried out between 1945 and 1962, of detonations filmed from up to 50 angles. A total of 210 tests were carried out and this tranche is a good slice of them.
The videos released this week include footage of the “Harlem Event,” a 1.2 megaton atmospheric detonation above Christmas Island in 1962. The video below shows how nuclear explosions can result in two distinct flashes of light. The first flash happens when the shockwave is formed, but quickly the superheated air around the blast epicenter “shields the light from inside the fireball,” according to LLNL. “As the shockwave cools to below 3,300 Kelvin, the air becomes transparent and the hot gases begin to show through, creating the second pulse.” Measuring the time between these two flashes, as well as the darkest frame between the two flashes, can help calculate the blast’s yield.
More haunting declassified scans of nuclear weapons test videos released [Megan Geuss/Ars Technica]
The wonderful Aquabats, nearly killed when the network they'd signed with went out of business, are back, and they want to produce a new TV special episode of Super Show! with a new album to go with it.
Two years ago, I delivered the closing keynote at the Internet Archive's inaugural Decentralized Web event; last week, we had the second of these, and once again, I gave the closing keynote, entitled Big Tech's problem is Big, not Tech. Here's the abstract:
Uni's Kuru Toga Roulettes are mechanical pencils that solve a problem I've never had, which is that the tip wears differentially, eventually creating a blunt instrument (I am a clod whose draftsmanship looks like I tried writing in a zeppelin caught in a tornado, so this is not a problem for me) -- the Roulette […]
Traveling isn’t always the most comfortable experience, but at least you have your music to keep you company on those long flights. That is, until your chatty neighbor and that crying baby three seats over drown out your playlist. These Paww WaveSound 3 Noise-Cancelling Bluetooth Headphones block up to 20 decibels of audio, so you can […]
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Running a Shopify store is a great way to net some extra cash on the side or—if you really know what you’re doing—replace your 9-to-5 altogether. However, success doesn’t come naturally, and newcomers tend to receive mixed results when starting on their own. This E-Commerce Bootcamp can help start your Shopify venture off on the right […]