Jan

11

Gravity Is Back In Energy Storage In A Very Different Way

January 11, 2022 | Leave a Comment

The puzzle that bedevils renewables in electrification is storage. We usually think of batteries as the obvious solution and that is an excellent answer in small quantities and short periods of time. The problem lies in renewables needing daylight or wind to generate power and when the base energy source sets or dies down the […]

May

30

Energy From Simply Trying to Float

May 30, 2012 | 5 Comments

Here’s the at home test, push a plastic cup that’s upside down into water.  Gravity working on the mass of the displaced water is trying to push the cup back up, that’s buoyancy.  Simple enough, and there is a wealth of places to do this, wells, ponds, lakes, standpipes, water heaters, anywhere that gravity can […]

Dec

29

A Puzzling Question Gets an Innovative Answer

December 29, 2008 | Leave a Comment

Ali Vanderveld, a post-doctoral cosmologist at the Jet Propulsion Lab and her colleagues recently published a paper in the journal Physical Review looking at how giant holes in our “Swiss-cheese-like” universe might make space look as if it’s accelerating when it’s really not. Whew, I have been waiting for something to make more sense than […]

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