Half a croissant, on a plate, with a sign in front of it saying '50c'
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doom ray

 Kill bugs with heat
  (+2)
(+2) 		  [vote for,
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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 gentle roast.

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 trooper. No poison, intuitive and effective. With a wider focus available for swarms.

—mort, Nov 13 2017

Suicidal wasps .... http://wildguzzi.co...x.php?topic=93310.0
[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.
—MaxwellBuchanan, Nov 13 2017
   

       // handheld device //   

       Power source ?   

       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.
—8th of 7, Nov 13 2017
   

       " Bugs, Mr. Rico ! Zillions of 'em ! "
—normzone, Nov 13 2017
   

       If it's powerful enough to be effective it will cause half the items in its path to melt, char, or burst into flame. [+]
—Voice, Nov 13 2017
   

       //doom ray//   

       Why? What did I do?
—RayfordSteele, Nov 13 2017
   


 

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