Flywheel

The Nissan GT-R LM NISMO LM P1 is, to put it bluntly, one of the craziest ideas to pull out onto a race track in decades. It's a front engined front-drive car that puts out over 1200 horsepower. Yes, you read that correctly: A front engined front-drive racecar. Let's take a look under the hood.

Back in October, we heard about M-Blocks – they're metal cubes that use internal flywheels to hurl themselves around. Now, scientists from ETH Zurich have unveiled something similar. Their Cubli cubic robot also uses flywheels to move around, plus it can actually balance on one corner.

Volvo is reporting that its Flywheel KERS system offers fuel saving of up to 25 percent.

Silicon Valley inventor Bill Gray believes his novel approach to flywheel systems is the solution to cost effective energy storage.