Add Yahoo as a preferred source to see more of our stories on Google. A hobbyist has created a vehicle that morphs between tank and quadcopter modes at the press of a button. Michael Rechtin's vehicle ...

Months of free time and loads of untapped ingenuity has resulted in competitively-challenged hackers coming up with clever ways to use technology to dominate various sports. We’ll leave it up to you ...

You can readily buy all kinds of quadcopters off the shelf these days, but sometimes it’s more fun to build your own. [Michael Rechtin] did just that, with a hefty design of his own creation. The ...

When [Michael Rechtin] learned about Radial Vector Reducers, the underlying research math made his head spin, albeit very slowly. Realizing that it’s essentially a cycloidal drive meshed with a ...