May is as good a time as any to think about the problem of snow removal. The question came in to the guys of the What If? series about using a flamethrower to melt snow. Or would a microwave be better? This person was imagining putting either on the front of a car to melt the snow in front of you. If they had asked me, I would remind them that melted snow is water, water will soon turn to ice in a cold environment, and ice makes the road even more hazardous.
But they didn't ask me. Instead, they look at the pros and cons of flamethrowers, microwave emitters, infrared heat lamps, jet engines, and lasers, particularly in their energy consumption. Find out the best way to remove snow illustrated with ridiculous theoretical scenarios in this video from Randall Munroe and Henry Reich.
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