![]() It turns out that 4 ~300 watt photoflood bulbs in metal reflectors, a used box fan and some 2×4 stock makes a very effective portable death-ray, at least for small enough values of death. If the sun was in the right place, anyway. ![]() A few pine boards to make a frame and I discovered it could fry things much larger than ants. As a kid, I found a big fresnel lens designed to turn a 19″ TV screen into something, uh, bigger, I guess.
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