kinetic energy – Esoteric news

We Can Prove Why Extra Mass on Bike Wheels Is Your Worst Enemy

There's a saying that adding mass to the wheel of a bike has twice the impact compared to adding the same mass to the frame. Why would that be true? The post We Can Prove Why Extra Mass on Bike Wheels Is Your Worst Enemy appeared first on WIRED.

Ronda Rousey is an impressive fighter, but how impressive? Are all of her fights short? How much energy in each punch? Here is an estimate.