Making batteries more like bombs
What would it take to 100x the power density of electrochemical batteries?
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Bubbling ship exhaust into the ocean
When the obvious questions give stupid answers, it’s time to ask stupid questions
New frontiers for bright radiation
Powerful infrared lasers are getting extremely cheap. What should we use them for?
Cargo airships could be big… but if they're too big they'll get ripped apart by turbulence
Exponential wind loading near the atmosphere’s length scale for turbulence might prevent airships from getting much longer than about 400m.