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Could you not use a IR laser to gradually engrave the pattern into the ice from afar? Practically it seems dangerous and a waste of money but in principle...
by mhh__ 6y ago
Could you not use a IR laser to gradually engrave the pattern into the ice from afar?
Practically it seems dangerous and a waste of money but in principle...
- foobarbecue 6y agoWell, you'd have to heat it faster than the heat conducts away through the ice, so that's a bigger heat flux than you can easily deliver with em radiation. You're doing a big area if you want a runway so you'd probably be better off with a floodlight than a laser. And you're just gonna melt the ice to water so you probably want a pump or something to remove the water.