Here’s a concept in renewable energy that a reader submitted, to which I wrote: Here’s the problem you’re going to run into: the first and second laws of thermodynamics.
Here’s a concept in renewable energy that a reader submitted, to which I wrote: Here’s the problem you’re going to run into: the first and second laws of thermodynamics.
Here’s something a reader sent me, a variation on the theme of capturing and reusing the energy dissipated from the activities of the human body. In this case, it’s a door whose hinge contains a generator. Hey, no one says …