Half a croissant, on a plate, with a sign in front of it saying '50c'
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Targeted Car Horn 4

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MaxCo. has tested the directional car horns proposed by a certain other Halfbaker (who shall remain nameless, for fear of embarrassing [doctorremulac3]), and found them wanting.

We have therefore developed our own version, which has the advantages of (a) being completely directional, as long as the target vehicle is in line of sight (b) requiring no modification of the target vehicle, at least beforehand and (c) being called the Hornulaser Mk7, which is a way cooler name.

The clue is in the name, of course. The Hornulaser Mk7 is, at heart, an aimable 150W infrared laser, modulated at audio frequencies. Aimed a door panel, roof or wing ("fender", for those of you who don't know they're called "wings"), the Hornulaser Mk7 will vaporise wax, paint and (for particularly annoying drivers) metal in a succession of short pulses. The recoils from these vaporisations will, of course, produce a satisfyingly intense sound confined to the target vehicle.

MaxwellBuchanan, May 05 2018

Wayyyy better than Targeted_20Car_20Horn2
[MaxwellBuchanan, May 05 2018]

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       Despite being WKTE, wouldn't a simple kinetic projectile version of this be easier?
doctorremulac3, May 05 2018
  

       No, not really. For a kinetic weapon you need both projectiles and propellant. For a laser you just need electricity.
MaxwellBuchanan, May 05 2018
  
      
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