CHAPTER 5Balloon-Popping Laser Gun
CONTINUING WITH THE GUN THEME, this project will allow the Evil Genius to shoot tin cans off a wall and burst balloons with a tiny but super-powerful laser gun, essentially your stock sci-fi “ray gun” (see Figure 5-1).
Well, actually, as you might have come to expect from the Evil Genius, there is a bit of trickery going on here.
The gun itself is just a low-power laser, and if you wish, you can simply use a standard laser pointer. The clever bits are in the “can” or the “balloon popper.” Both of these have a sensor that detects the laser light and an electronic circuit that turns on a high-power transistor. ...
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