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Cake day: September 27th, 2025

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  • The dose makes the poison. At the concentrations you’d get from household precursors, it would be fine.

    Now, take glacial acetic acid and treat it with high-concentration peroxide? Now you’ve got something there. But most people don’t have easy access to either.















  • SpaceX was founded in 2002, and announced Falcon 9 in 2005. By 2010 they launched, in 2013 they started propulsive landing experiments, and in 2015/16 they landed on a pad / a drone ship. About 13 years from founding to reuse, and ten years from F9 announcement to reuse.

    Blue Origin was founded in 2000, declared first stage reuse a priority in 2013, announced New Glenn in 2016, launched in early 2025, and landed in late 2025. 25 years from founding to reuse, and 9 years from NG announcement to reuse.

    I guess the difference is that SpaceX was making money in those intervening years, and Blue was content to, uh, do a lot of simulations I guess.