At first it feels like a giant invisible hairdryer is blowing hot air on you. But a few seconds later you feel as though you are burning all over your skin. Welcome to the ‘pain ray’, or the ‘heat ray’, or to use the proper military term, ‘active denial’.
Active denial falls into the category of ‘non-lethal’ weapons. It was designed to control or subdue people in war zones, supposedly with little or no injury. It’s claimed to be less harmful than batons, rubber bullets or tasers. It’s basically just a super-powerful microwave beam.
We all know that a microwave oven warms up last night’s Thai takeaway leftovers by blasting them with microwaves. The food absorbs the microwaves, and the energy they carry gets turned into heat.
In your home, the power output of your microwave oven is about 1 kilowatt, and the microwaves usually have a frequency of around…
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GlenDee / MGI 