battery

http://www.cnn.com/2010/TECH/03/12/mit.research.electricity/index.html Uses carbon nanotubes to create a thermopower wave. Potential benefits include smaller batteries that are environmentaly friends and don't leak energy when not in use but still provide large amounts of power.

I've seen a few people on TV/internet talking about the "H20 Battery" which they say can run low powered items such as clocks etc for a couple of months on nothing more than tap water. http://uk.gizmodo.com/2005/11/14/waterpowered_clock_for_hippies.html At first my bullsh*t radar went off the...

On another forum a correspondent reports "Woke up this morning and saw our bedroom alarm clock had stopped at 4.40 so I went into the kitchen to get a new battery and the kitchen clock had stopped at the exact same time. Neither of them needed their batteries changing in the end, they're both...

I've finally tried alkaline vs carbon-zinc batteries in an effects box. My quick and dirty test was as follows: All batteries were brand new and had very close best before dates. Battery 'A' and Battery 'B' were selectable via a dpdt switch so I could switch them and listen for a difference. A...

Why is it "WRONG"? The negatively charged electrons exit from the negative terminal. Sounds okay to me. Anyone? thanks, BillyJoe PS: My welcome message tells me I last entered the forum on 16th Dec! Has it really been that long? (I've kept reading the Commentary though.)

I have a plastic battery box with an on-off switch. It can hold 4 AA size 1.5V batteries to give a 6V voltage source. I placed some batteries in it. These are not new batteries. When I turn it on and measure it with a digtal multimeter, it shows around 4.4V. When I turn off the switch, it...

FULL STORY

I seem to have a problem with my two-and-a-half-year-old Powerbook battery - it charges to ~34%, and then stops (sometimes the reading jumps directly to 100% at this point). I'm not getting anything like the battery life I'd expect, obviously. Are there any utilities for refreshing the battery...

Toshiba announced a new Lithium cell today with awesome capabilities. Here are a few that caught my attention: Toshiba Battery PR Tiny, 600 mah cell with extremely low internal resistance. 1: Can be recharged to 80% capacity in one minute! Can be fully recharged in a few more minutes. 2...

German Police Investigate Potato Computer Scam I don't think you could get away with this at BestBuy...