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Shadow_Demon

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Shadow_Demon

Help With Transistors... NPN-PNP

I recently built, toasted and rebuilt an amplifier. First of all it was the large high-power transistors on the board that blew, I replaced the large ones (with an ever so slightly higher grade ones,...
22:05 Thu 05th Nov 20094 answers, last by Shadow_Demon 16:25 Fri 20th Nov 2009
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razman

incinerators

I have heard that in Germany they have an incinerator that will burn almost anything due to its super cooled lining, requires no fuel as like the Dresden fire storm it self feeds and that the smoke is...
07:01 Sat 31st Oct 20092 answers, last by Shadow_Demon 22:24 Thu 05th Nov 2009
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Shadow_Demon

Capacitor LED fade -- So simple?

In many new-fangled electronics there is an LED that fades off, for whatever reason -- EG: Turned off the backlight on my multimeter. Obviously I know there are many ways to fade an LED, not just...
15:39 Fri 29th May 20094 answers, last by beso 11:36 Sat 30th May 2009
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BobbyBobBob

microwave

Hey after recently using my microwave, I noticed that there is like a condensation/steam mark on the microwave door. Does anybody know what this is and is it dangerous to carry on using. The mark goes...
14:43 Sat 23rd May 20091 answer, last by Shadow_Demon 15:35 Fri 29th May 2009
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jonocyber67

RSS feeds

Does it cost to receive these on mobile phones?
21:17 Thu 28th May 20092 answers, last by Shadow_Demon 15:28 Fri 29th May 2009
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bestdriver

8mm films

Any idea how many 8mm films I can put on to a DVD? Each one lasts 5 minutes.Thanks
14:05 Fri 29th May 20093 answers, last by bestdriver 17:09 Fri 29th May 2009
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Shadow_Demon

Uranium to lead. Transition/decomposition and half life...

How does one element, uranium say, decompose into another (through a few more elements) -- ultimately lead?
17:01 Mon 18th May 20093 answers, last by Shadow_Demon 20:14 Mon 18th May 2009
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Shadow_Demon

Uranium Decomposition/Transition (and it's Half life)

I can't get my head round how one element, say uranium decays at a cost of a lot of time, (cycling through a few other elements) to ultimately become another -- lead. I've done research, but came up...
04:27 Mon 18th May 20092 answers, last by Shadow_Demon 16:56 Mon 18th May 2009
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Shadow_Demon

Joule Thief Voltages And Load

I recently built a Joule Thief to run a white LED to drain a cell (a lot) before recharging. I was wondering, if I put 12V instead of 1.6V across the inputs will the voltage across the LED will change...
00:50 Mon 04th May 20095 answers, last by Papersinn 17:03 Mon 01st Jun 2009
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Shadow_Demon

Music Taunton Carnival 08

Anybody know of a complete music list for Taunton carnival '08? Also I need to know the title/band that did this song: 03:43 https://www.youtube.com/watch?v=K625npZ_QOw It's the Phoenix CC.
01:52 Sat 25th Apr 20094 answers, last by Shadow_Demon 02:35 Sat 25th Apr 2009
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Annie W

underground trains

Does anyone know how the doors operate on an underground train. Can they be operated by the passengers themselves in an emergency?
08:50 Tue 22nd Jan 20082 answers, last by TWR 10:26 Wed 11th Feb 2009
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juanita.s

Motorbikes

how do i fix the pull start on a quad LT50. it pulls but doesnt catch to start also a yamaha 80 wont start at all, was told by motorbike mechanic to mix some oil in with petrol, shall i drain the fuel...
07:01 Thu 17th Apr 20081 answer, last by Shadow_Demon 21:47 Mon 09th Feb 2009
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smartgolly

help with moped not working

My son has a Honda x8rx moped which his been using for university, When it gets hot it stops running and will not restart until cold, the sidelight and headlight have now stopped working, Indicators...
14:30 Mon 06th Oct 20081 answer, last by Shadow_Demon 21:42 Wed 26th Nov 2008
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Shadow_Demon

EEB Electric Engine Blower (fan)

My bike is a '00 Honda CG, which I know isn't particularly tunable -- This is just to see what results I get, i'm not actually going to do it for an extra .000003 of a HP!! lol Okay, so...
02:17 Sun 16th Nov 20084 answers, last by Shadow_Demon 21:17 Wed 26th Nov 2008
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Shadow_Demon

Cigarette Types

Hi there, This probably isn't the right section, but I can't find one on smoking. Can anybody tell me what type or size or brand of cigarette that has a small green band/ring that denotes the filter...
01:15 Sat 27th Sep 20084 answers, last by Shadow_Demon 14:16 Fri 03rd Oct 2008
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JockSporran

Steampunk

Anybody here into steampunk? I've created a few odd contraptions myself, including the Steam Calculator, the Steam Camera and the CDgram. (They don't actually work, of course - just for art ). And...
13:32 Thu 07th Aug 20081 answer, last by Shadow_Demon 00:41 Sat 27th Sep 2008
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cdaddi

splitting slate

i have a big slate rock but i want to split it to make a flat piece how can i do this?
03:19 Mon 01st Sep 20082 answers, last by Clanad 14:18 Mon 01st Sep 2008
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Shadow_Demon

Flashing Vision -- Colours

I was wondering to myself, why is it that contrasting colours appear to flash when you glance at them, yet not when you are looking fully at them?
21:16 Fri 12th Jan 20072 answers, last by Shadow_Demon 14:27 Wed 24th Jan 2007
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carter69

Bod or Mr Benn

who would win an arm wrestle
18:58 Sun 19th Nov 20066 answers, last by joko 00:42 Wed 22nd Nov 2006
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Shadow_Demon

Folding Spacetime

In the film "Event Horizon" the main plot has it that there is a gravity drive that folds spacetime effectively allowing more or less instant travel, is this theoretically possible given the...
01:57 Fri 28th Jul 20065 answers, last by Shadow_Demon 02:37 Thu 03rd Aug 2006

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