Nuclear bombs are easy to make, right? Find some uranium, shove in some explosives and — BOOM! — you’re quite literally done. Um, sorry, nope. The big problem in making a nuclear bomb is that you need enriched uranium, and that’s actually a real pain in the arse to make.
In this video, the engineering guy Bill Hammack explains why that’s the case — and why it means that, fortunately, nuclear weapons aren’t as widespread as you might expect. [YouTube]
If you live in British Columbia, don't try to sneak out a quick text while driving just because you don't see any cops on the road. The RCMP, Canada's version of the FBI, have started using DLSR cameras attached to massive scopes to spot distracted drivers from as far as 1.2km away.
Video. For the past four years, Tommy Edison has vlogged his experience as a blind man in a world full of people who can see. Some of these videos are revelatory, like when he explains how blind people use money, or what his dreams are like. Today he decided to find out what riding a rollercoaster feels like.
Back in 2006, Nike introduced the high-performance SUMO 2 golf club driver, specially engineered to help golfers hit straighter shots, even for slightly off-centre hits. There was just one problem. the newly designed club made an unpleasantly loud, tinny sound when it struck the ball -- so much so, that most players proved unwilling to tolerate it, even in exchange for improved performance.