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Subject Started by Replies Views Last post
Gas bottles and their recycling......... « 1 2 » martin 19 20072 Last post June 29, 2017, 09:55:27 AM
by Ajarworks
welcome Ivan 2 3818 Last post May 11, 2008, 12:46:29 PM
by Ivan
Capturing energy from Lightning Ivan 7 4230 Last post May 11, 2008, 10:39:43 PM
by Ivan
Direct Solar - Hydrogen Ivan 0 2236 Last post May 12, 2008, 01:30:50 AM
by Ivan
flywheel bike « 1 2 » Ivan 24 8893 Last post May 21, 2008, 01:33:23 AM
by Ivan
why doesn't the back of every mobile phone have a solar panel? MR GUS 8 4159 Last post May 25, 2008, 04:05:40 PM
by Ivan
Electricity from rain Ivan 0 2143 Last post May 25, 2008, 06:45:31 PM
by Ivan
Energy from Raindrops Ivan 3 2603 Last post May 25, 2008, 11:37:26 PM
by Ivan
Homebrew copper crimp connections « 1 2 » Joules 17 7721 Last post June 12, 2008, 06:14:42 AM
by camillitech
electric eels plumbskill 7 3472 Last post June 14, 2008, 03:47:30 PM
by Ted
Power Generation without moving parts Ivan 3 2502 Last post June 16, 2008, 01:41:34 AM
by Ivan
Efficient cooking Ivan 0 1354 Last post June 20, 2008, 01:15:46 AM
by Ivan
Intensive Hamster Farming « 1 2 » sleepybubble 17 9485 Last post June 21, 2008, 04:09:28 PM
by KenB
Glo Worms and PV panels sleepybubble 5 3212 Last post June 22, 2008, 04:29:47 PM
by jude
How do you improve a microwaves efficiency? MR GUS 5 4078 Last post June 29, 2008, 07:34:49 PM
by MR GUS
More home made crimps camillitech 1 10090 Last post June 30, 2008, 02:34:43 AM
by Ivan
Tumble dryer recycling heat welshboy 9 9109 Last post June 30, 2008, 04:51:16 PM
by northern installer
New "old" idea about renewably powered refrigeration martin 5 3882 Last post July 01, 2008, 02:17:10 PM
by Ivan
Flywheel Energy Storage. « 1 2 » Ivan 28 10284 Last post July 02, 2008, 02:17:11 AM
by Ivan
Living on the Edge wyleu 11 4119 Last post July 02, 2008, 10:36:44 AM
by Eleanor
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