New York's Chrysler Building, one of the city's most iconic skyscrapers, was built in a remarkably short time--foundation work began in November 1928, and the building officially opened in May 1930. Even more remarkably, the steelwork went up in just six months in the summer of 1929 at an average rate of four floors a week.
Balancing 15 books on her head, reciting pi to the 100th digit, and solving a rubik's cube
Dinorwig Power Station, otherwise known as Electric Mountain, is a pumped-storage hydro station in Llanberis, Wales. And yes: it's Britain's largest battery. Here's how it works, and why some of the things you think you know about TV pickups might not be so true any more.
Pull some bar bets on your friends
