Evan built this nifty mechanical laser show on his 3D printer. The gizmo has two rotating cams that tilt a laser pointer up and down and from side to side in such a way that it draws different 3D shapes. In this video he explains the math behind it. You can download the model at Thingiverse
Seattle maker Brennen Johnston wanted his friends to play Animal Crossing with him but they couldn’t get their hands on a Nintendo Switch, a scarce commodity amid COVID-19 lockdowns. Enraged by the prices scalpers were charging for a Switch, Brennen set out to build one himself from individual components. The Internet fell in love with […]
Charles Platt’s growing series of electronics books are the best I’ve come across. He explains concepts very clearly, and his illustrations are excellent. His latest book in the series is called Easy Electronics. It covers voltage, resistance, capacitors, transistors, integrated circuits, and more. No tools are needed to complete the projects in this book.
Amidst all the deadly serious concern and fallout from our global battle against COVID-19, you’ve likely been forced to confront more than a few moments that you never expected to face. And you likely never felt sillier during this scary time than when you were racing all over town hoping desperately that some store had […]
“It’s better to have it and not need it than to need it and not have it.” – “Lonesome Dove,” Larry McMurtry If the past few months have taught us anything, it’s that we need to be prepared now more than ever. Emergency situations can happen quickly and there’s no telling when you may need […]
Just as in almost any industry that seeks high-demand, well-trained workers, certification often becomes key. For project managers, that means anyone who’s serious about serving in that role with a respected company knows they’re going to need the seal of approval in one of the field’s most recognized methodologies before they stand much of a […]