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1. Amount of work that once bought an hour of light now buys 51 years of it (2017) (washingtonpost.com)
211 points by wolfram74 on June 7, 2023 | past | 330 comments
2. Engine cooling – why rocket engines don’t melt (everydayastronaut.com)
559 points by wolfram74 on Jan 13, 2022 | past | 164 comments
3. Bricks and the Industrial Revolution (constructionphysics.substack.com)
51 points by wolfram74 on Sept 17, 2021 | past | 5 comments
4. The Unstoppable Battery Onslaught (caseyhandmer.wordpress.com)
1 point by wolfram74 on July 11, 2021 | past
5. Why NASA Abandoned the Gemini Rogallo Wing (youtube.com)
2 points by wolfram74 on Oct 20, 2020 | past
6. When Spreadsheets Attack (youtube.com)
1 point by wolfram74 on Jan 25, 2020 | past
7. Are Aerospike Engines Better Than Traditional Rocket Engines? (everydayastronaut.com)
271 points by wolfram74 on Oct 18, 2019 | past | 76 comments

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