Add Yahoo as a preferred source to see more of our stories on Google. While everything in the universe must obey the the laws of thermodynamics—except for whatever’s going on in black holes ...

I set up an epic marble loop de loop challenge and gave it my best shot! You'll see in real time as I release the marble, watch it speed around the twisty track, and finally celebrate when it lands ...

Netherlands-based YouTuber and “designer of prototypical machines” Daniel de Bruin posted a pair of videos featuring a “miniature marble machine” – and the little contraption is mesmerizing. It’s a ...