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Insects are vulnerable to heat. Though some roaches can jog
along when coated in insect spray, they will not tolerate a
A handheld device that emits a focusable beam of heat
(infrared?). Should get rid of just about any uninvited
creepies and make you feel like a giant starship
poison, intuitive and effective. With a wider focus available
Suicidal wasps ....
[normzone, Nov 13 2017]
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||Welcome to the Halfbakery. The drinks service will begin shortly, and medication is available on request.
||If the zapper is emitting only IR, how will you know you're aiming it right? You'll want a visible laser pointer as well, I reckon.
||If it's not coherent radiation, inverse-square law is a problem. To deliver an effective dose in a short time over a few metres range, the device is going to have to emit hundreds of watts.
||A laser or maser will be more efficient, but then very accurate aiming is needed.
||" Bugs, Mr. Rico ! Zillions of 'em ! "
||If it's powerful enough to be effective it will cause half the items in its path to melt, char, or burst into flame. [+]