Your Baby’s Bum Is Wrapped in a Brilliant Piece of Engineering

If you opt for the convenience of disposable nappies over their more environmentally-friendly cloth alternatives, you probably don’t stop to think about the science that allows them to keep your baby dry at night. But engineerguy Bill Hammack has, and in a new video, he explains why you’re actually wrapping your baby’s bum in a brilliant piece of engineering. Read More >>

How the Apollo Astronauts Guided Their Ships With a Brilliantly Simple Telescope

One of the most impressive aspects of the Apollo space programme was how NASA worked around the limitations in computer power. The smartwatch on your wrist eclipses what the Apollo space craft’s computers were capable of, so NASA’s engineers often had to rely on clever ingenuity to solve difficult problems. Read More >>

watch this
Why the Simple Aluminium Can is Actually a Brilliant Piece of Engineering

You probably don’t give much thought to the aluminium can holding your sweet, sweet caffeine hit at lunch. But engineerguy Bill Hammack explains why the simple cylindrical can holding your Coke is actually brilliantly designed and engineered for being both easy and cheap to produce, but also strong and durable for shipping. Read More >>

watch this
The Hardest Part of Making a Nuclear Bomb

Nuclear bombs are easy to make, right? Find some uranium; shove in some explosives and—BOOM!—you're quite literally done. Umm, 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 ass 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] Read More >>

watch this
How the Most Accurate Clocks in the World Work

Atomic clocks are super accurate, but do you know how they work? Probably not! Well, unless you know about quartz vibrations regulated by Cesium energy states at the atomic level, which are separated by magnets and ovens. But assuming you don't know that stuff, here's the engineerguy Bill Hammack explaining how these clocks work, and how they're applied to other technology, like GPS. [YouTube] Read More >>

So How Exactly Are Lasers Created?

They're the bane of pilots and moviegoers, but lasers have become an essential part of everyday life. They facilitate everything from high-speed communications, to vision-saving surgeries, to super-villain plots for world domination. But how in the hell do they get that beam of light so intense and so focused? Read More >>

How Apple Uses Rust to Make MacBooks and iPods Tough and Colourful

You probably own a ton of gadgets made from aluminium and titanium. A lot of 'em by Apple. But did you know that the smooth, brushed finish on the surface of your MacBook or iPod is actually made with a thin level of rust? Read More >>

How Digital Cameras Actually Work—And Why They’re So Cheap

Chances are you've got a digital camera of some sort in your pocket or bag, but you've never given too much thought how it really works. Pictures go on computer, not film. Right, well, here's a simple and straightforward explanation of how that happens, exactly. Read More >>