This car barrier has rollers built into it to reduce the car impact along the direction of the rail. In this video analysis, I will calculate the acceleration of an impacting car. The post Check Out This Awesome Crash Test. Now, Let’s Run the Physics appeared first on WIRED.
There is a classic experiment that looks at the end of a falling slinky. Could you repeat this with a rubber band and a mass? No, it doesn't work—here's why. The post Let’s Physics the Bejesus Out of Rubber Bands appeared first on WIRED.