Each body with a temperature above the absolute zero emits an electromagnetic radiation, which is proportional to its intrinsic temperature. A part of this intrinsic radiation is infrared radiation, which can be used to measure a body’s temperature. The devices that measures infrared electromagnetic radiation and converts it to the temperature are so-called non-contact thermometers.
It’s been a long day at work, you hop in your car and drive home through the daily rush hour. Finally, you’ve arrived, only thing left is to park the machine in your garage, going backwards in. You put your gears in reverse, give some slight gas, and look at your rear view. But the […]