Video: Here’s how channel signs — basically those big signs that hang above stores and restaurants across the world — are made. The Science Channel gives us a sneak of the way things are done and it’s surprising that so much of it still requires the help of a human. It’s not all robots! And it’s actually a lot more work to shape vinyl and aluminium into letters and logos than you’d think.
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Video. Aside from sparklers, the most least piece of fireworks kids have access to are black snakes, those tiny pucks that grow into long ashen serpents as they burn. As far as pyrotechnics go, black snakes incredibly lame, except when YouTube's NightHawkInLight super-sizes them. Once the mix powdered sugar and baking soda ignites, it becomes a miniature active volcano that appears out of nowhere.
Will.i.am has a chequered history of making pieces of consumer technology that nobody really wants. Now you can add to that list a pair of Bluetooth headphones.
Mars is our closest planetary neighbour, but even it is still pretty far away -- which is why its closest approach in a decade is such an unmissable opportunity. Here's how and why to watch Mars' close approach, and what you should be looking for when you do.