Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the perpetual motion machine.

To others (like me), perpetual motion machines are impossible —they don't fit with our well-tested ideas of the conservation of energy. However, they can still make a fun puzzle, as you see above.

Everyone loves perpetual motion machines. They represent the highest levels of creativity in finding loopholes in the laws of physics. Let's take a look at this one.

The American legendary inventor Thomas Alva Edison, often known for his invention of the electric bulb and phonograph, received visitors with claims of novel inventions and ideas, notwithstanding ...

Types of Machines There isn’t just a single kind of perpetual motion machine. A type I machine claims to produce work without any input energy.

Perpetual motion leadership is about more than just leading. Chris Goodnight discusses how to build leadership equity as a fire service leader.

Skeptical of a Financial Perpetual-Motion Machine Mar. 09, 2010 6:49 AM ET 3 Comments Michael Ashton 3.33K Follower s ...

Perpetual motion machines are devices that, once started, could theoretically remain in motion forever without adding any additional energy to them.

A 'perpetual motion machine' that can continue working without applying energy from outside is impossible in the real world. However, figurines that look like perpetual motion machines are being ...

Not quite a perpetual motion machine, but it’ll do. Bill Perkins is editorial page editor of the Dothan Eagle and can be reached at [email protected] or 334-712-7901.