Alright, everyone has 30 seconds to get all the jokes out of their system before we proceed with a look at this 3D printed wooden ball polisher. Ready? Theoretically, making a sphere out of any ...

It is hard to imagine a ball without air, especially as it looks deflated and would not bounce as it is, making it hard to play with in different sports. However, Wilson wants to change that, and as ...

Like any magic trick, this optical illusion requires careful planning and a particular perspective. A hand places a metal ball at the bottom of a 3D printed slide and the ball immediately rolls uphill ...