Although radiation sounds scary, it isn’t necessarily harmful. Here’s what to know about the four types.
It seems impossible, but there’s a way to cool things off without tapping into a fuel source. (Hint: It involves outer space.)
In the physics of water displacement, the answer isn’t always intuitive.
How much energy would it take to fuel a wave that you can shred like Kelly Slater? Here’s the math.
Electric vehicles are increasingly popular, so it’s time to talk about regenerative braking—and all the other ways you can stop a vehicle.