A walkalong glider is a type of model plane that's kept aloft, theoretically indefinitely, by someone walking along with it as it flies, generating rising air using a piece of cardboard, paddle, or even your body. Smithsonian Air & Space posted a template and instructions for making a simple paper walkalong glider. The plans come from a recent book by Stephen Voltz and Fritz Grobe (better known as the Mentos and Diet Coke guys) titled "How to Build a Hovercraft: Air Cannons, Magnetic Motors, and 25 Other Amazing DIY Science Projects."
When I was very little, my big brother brought me in to school for show-and-tell. In the lunchroom, a kid fired a rubber band that hit me right in the face. I still remember the welt. This fascinating video uses high-speed footage to explain the physics behind this age-old form of weaponry. It also reminded […]
In 1977, just a few months after Voyager 1 and 2 began their grand tour of the solar system, Carl Sagan gave the esteemed Christmas Lectures at the Royal Institution of Great Britain. You can watch them below via YouTube or at the
Vantablack is a pigment made from carbon that is so black that anything painted with it looks like a hole in reality. It absorbs 99.965% of visible light. The Action Lab Man made something even blacker than Vantablack, then shines lights and lasers onto it to see if it visibly reflects the light. He uses […]
With the intuitive software out there today, anyone can become a music producer. You’ve probably heard that from any number of laptop impresarios, but you still have to know how to use the tools – and Logic Pro X is one of the best platforms out there right now. In order to get the most […]
Believe it or not, PDF files have been the go-to format for contracts and forms of any type since 1993. And sure, they’re easily shareable – but that’s about it. When you need to edit or sign a document – and you will – that’s when frustration can set in. Luckily, there are workarounds, and […]
It’s 4/20! Smoke ’em if you got ’em – and if you haven’t got ’em, check out this roundup of deep discounts on pipes and other accessories. They’re all on sale, but you can take an extra discount off the final price courtesy of the Boing Boing store by using the online code 420SAVE. Freeze […]