Football is a killer game. But should it be killing our kids? Kids ages 8 to 13 suffer far more concussions than NFL pros. One entrepreneur is trying to change that. Brain Sentry measures football impacts and helps manage concussions.
If you were a billionaire, what would you do with your money? Learn how the founder of PayPal is building and launching rockets into space — for NASA! Learn the story of SpaceX.
Gunshots in the night inspired this invention. How triangulation helps law enforcement find rogue shooters.
Back in June 1971, I got a big surprise when I hopped in the car of one of my former high school friends. I’d just completed my sophomore year in college and was home on summer break, working at his dad’s asphalt plant. Ken’s family was pretty well off so, it was no surprise to see exotic features in their cars. But this one puzzled me. It wasn’t a radio … but it kind of looked that way. “What’s this? A new kind of 8 track?” I asked. “No, it’s cassette – a stereo cassette player.” “Stereo? Cassette? You gotta…