Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly.
Dec 30
Can You Really Die of Boredom?
No, you can't literally die of boredom -- but it can lead to some high-risk behaviors. Learn more about boredom, ennui, and how to shake them in this episode of BrainStuff, based on these articles: https://science.howstuffworks.com/life/inside-the-mind/emotions/bored-to-death.htm ... Show More
8m 17s