How Smoke Detectors Work
Once again we turn to Bill, the “Engineer Guy,” to explain how the world works. This time? Smoke detectors.
It turns out, a miniscule piece of radioactive material, Americium, works in conjunction with a special integrated circuit, called a MOSFET (or Metal Oxide Semiconductor Field Effect Transistor). It can detect a change in current as small as 100 pico Amps. This change is what ends up setting off the alarm.
If you’re having trouble watching this video, try downloading the latest version of Flash Player or contacting your IT department.
Have any comments or questions about our Thursday video editions of IMPO Insider? Or do you have a video you’d like to see featured in one of our deployments? Email me at Joel.Hans@advantagemedia.com.