Mark Rober is bad at darts, but he still gets perfect scores, because he's good at engineering.
I fulfilled a 3 year long dream to create a dartboard where you get a bullseye every time thanks to some engineering. Basically, you throw a dart and then a Vicon motion capture system tracks the dart in the air. We use those x,y,z positions in matlab to predict where the dart will land using some regression analysis. Once we know where it will land, we move the board to the right spot using 6 stepper motors that attach to the back of the board using fishing line. All of this happens in 400ms or so. Then we took it to a bar to see what people would think of it
As an antidote to the madness and mayhem I subjected you all to with my idiots with chainsaws post, here is ten minutes of controlled demolition of decommissioned water towers. This is a great example of professionals knowing what they’re doing as these demolition engineers land the towers between buildings, next to parked cars, etc. […]
More than 40 years ago, Eric McMillan, a renowned designer of children’s play areas, and his team created the ball pit, those troughs of brightly-colored plastic balls that children swim around in. (Ball pits also may be a giant petri dish of pathogens but, hell, the kids love ’em.) Apparently, McMillan–who went on to be […]
In 1920, the great Nikola Tesla patented this ingenious valve that allows fluid or gas to flow in one direction but not the other. And it does it based entirely on its geometry without any moving parts. Here is the US patent, number 1,329,559.
The latest iPhone cameras are undeniably impressive, but they’re still no match for a professional camera when it comes to taking clear, wide-angle shots. These six accessories will transform your iPhone into a pro-level camera in seconds, thanks to powerful and easy-to-attach lenses. 1. Lemuro 18MM iPhone Wide Lens MSRP: $100 | Sale Price: $80 […]
Few things in life are more universally dreaded than going to the gym, which is unfortunate since a new year usually means making new resolutions to get in shape. Thankfully, this BodyBoss 2.0: Portable Home Gym has everything you need to burn fat and build muscle in the comfort of your own home. With just […]
If one of your New Year’s resolutions is to travel more, you owe it to yourself to learn the language of the place you’re visiting. If you’re not sure where to start, give these resources a look. From mobile apps to online courses, these products can get you conversant in a new language before you […]