Experience the oddly satisfying crunch of a horse-leg-shaped clay piece as it cracks and crumbles with each gentle press. The iron-like texture and intricate details make every break mesmerizing ...

Top-fuelers burn a mixture that's 90 percent nitromethane and 10 percent alcohol. Interestingly, a gallon of nitromethane, which costs $58, has less energy content than gasoline (14 kilowatt-hours ...