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 ...

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 ...

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 ...