The idea of a perpetual motion machine captivates many scientists, envisioning a device that functions indefinitely without an external energy source. This concept evokes images of self-sustaining ...

Despite decades of feverish and fraudulent research, the perpetual motion machine remains elusive. By perpetual motion, gadgeteers really mean perpetual work. An object in motion, as Galileo and ...

Since we found out about energy, right up until the point we found out it violated the laws of physics, people have dreamed of creating a perpetual motion machine. Perpetual motion machines are ...

I'm not usually a big fan of the perpetual motion machine scene. However this month's American Scientist had an interesting article about using reversible chemical reactions to create heat engines ...