Really? Where does the energy come from to spin the resort? Someone thinks they’ll get more energy out than they put in? I’m reminded of a business plan for generating electricity using hydrokinetics I reviewed long ago, whose author told …
Qatar’s Spinning Resort and the Second Law of Thermodynamics Read More »
We often discuss the second law of thermodynamics here, as it’s the reason that perpetual motion machines are impossible. It’s why I summarily reject the business plan submissions I receive from frauds and/or crackpots. Anytime energy is transferred from one …
Here’s a renewable energy concept that I’ve been seeing here and there over the past decade. It’s a means by which a city can generate clean electricity from the water flowing under streets through pipes.
A friend wants my comment on a device that would somehow help large trucks achieve regenerative braking. While I don’t know the details, I point out: I’m concerned that this won’t work as well in the real world as you …
A friend in Australia just sent me a claim for a regenerative braking system that recaptures so much energy that the car has unlimited range. He became dubious, however, when the company, based in Canada, would not pay his way …
