Butter, an experimental programming language exploring ideas for low level efficiency, has one of the best looking roadmaps I've seen in a long time!
miniblog.
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Air to ground and satellite connections for in-flight WiFi: https://onezero.medium.com/what-makes-it-possible-to-browse-the-internet-at-35-000-feet-1afaea83eb5
(It's expensive, affects the plane's shape and fuel efficiency, and the fastest is still only 100 Mbps!)
The efficiency of wasm is really impressive. An optimised build of Stockfish with POPCNT evaluates positions at ~1500kn/s on a single core of machine. By contrast, the wasm build on https://lichess.org/analysis/r4rk1/p5b1/2p2n2/1p2p3/4P2q/P1N1B3/1PP1B1Q1/2KR3n_w#0 can compute ~42kn/s in the browser for the same position!
Sometimes when thinking on PL design, I worry about efficiency. Considering the num of successful AST-walking interpreters, it seems silly.

