For decades, the question of how to keep a Slinky in perpetual motion has befuddled scientists and toy owners alike. Now, one man may have the answer to ensure the Slinky fun never stops. Matthias ...

On Sept. 20, 1913, rumors were running rampant around North Dakota that J. W. Kennedy, of Mandan, North Dakota, had invented just such a machine. A news clipping about J.W. Kennedy and his perpetual ...

Time crystals exhibit perpetual motion-like behavior when separated from external energy input, but scientists found a way to ...

All the Latest Game Footage and Images from Pythagoras' Perpetual Motion Machine In Pythagoras' Perpetual Motion Machine, use various contraptions to make your way through the game. The publisher of ...

The Moonshot Investor is going away next week. You read that right. Gone. But it’s not because I’ve gotten fired… Nor is it because of markets; my top-picks portfolio has managed to outperform the ...

Remember high school civics class? Congress has to approve federal expenditures, we were told. Presidents are barred by the Constitution from declaring war. Our system of government prevents slim ...