Science, Health, and Food Blog

Robert Murray-Smith created his own company, FWG, with 2 partners. He is working on making a better battery. He already has a test format fo...

Part 2 of 2 Power draw from the battery If all 4 amps is being used on the Amazon inverter, how many amp hours are actually being draw...

I've been looking into using solar power and batteries to power things. My first kit is used to charge a battery using a small panel, ab...

From Newsatlas: A new flat-panel LED light could reduce power use tremendously. Scientists at Tohoku University in Japan have made a cheaper...

This is not the same as a super efficient LED circuit where a battery could light an LED for 10 years . This is a whole new LED technology a...

(This is from 2012 but it's still interesting to see if this technology became a product.) With incandescent bulbs, only 10% of the en...

Some people are working on circuits to make a dim LED light run for a year, or even 25 years. The initial attempts are to provide "mark...

The Batteroo post has been updated as people test the device. Read up here . Basically I thought it was possible to miniaturize a Joule Th...

The Battero is a voltage booster that is a sleeve that goes round your AA or AAA battery cells, very common cells used in the US market. Th...

Yes, this should work, given that you use 2 different types of metals, one for the positive lead one for the negative lead. Any acidic solut...

Fujifilm has developed a thermoelectric material that will generate 1kw of electricity with a temperature difference of only 1 degree C. Pe...

This post is about various types of DIY wind power, from small systems for the very beginner, to more advanced systems. I'm trying to fi...

If you can make something rotate, you can convert that to power using a DC motor. But using water power has some caveats. What will happen i...