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Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
There are 4629 threads in our archives.
You are looking at page 7 of 463.
The threads with the newest articles are listed first.
Computer totally freezing after a few min [22 articles]
Ray - 2010-02-06 12:30:00
I have a few year old computer (clone, I built with VIA chipset) that has
suddenly started to completely freeze.
The image stays on the screen but the computer is completely frozen. CTRL
ALT DEL do...
need help with a senior project for college [17 articles]
Jim Bancroft - 2010-02-06 09:48:00
I am a 50 year old fart who got hurt at work and qualified for
vocational rehab and am getting my second AS degree, this time in EE.
For my project, I want to modify my 85 year old Mom's tea kette...Inventing Is No Longer Optional [15 articles]
Bret Cahill - 2010-02-05 15:47:00
Whenever some idiot on a science or tech tries to bluff he is more
worthwhile than Al Gore in a dust devil, just ask him for his patent
numbers.
Inventing is no longer optional.
Bret Cahill
...R. T. Cahill's Quantum Foam Theory [3 articles]
fitz - 2010-02-05 11:40:00
R. T. Cahill's Quantum Foam Theory
a bit more light about it
(click link)
http://www.amperefitz.com/cahill.htm
Enjoy,
Fitz
...Magnet Damage to LCD [9 articles]
Affan - 2010-02-04 17:15:00
So, I know that speaker and light magnets donot damage LCD like they
used to dmage CRT's. However, my daughter a mere 2.5yrs old, took a
magnet and was able to make entire area on the screen go comp...Snubber for triac light switch? [5 articles]
pawihte - 2010-02-04 05:28:00
If I use a triac as a simple on-off switch to control a lamp at
mains voltage, do I need a snubber across the triac? Say the lamp
is 10 meters away from the triac, mains-rated LED or 100W
incand...Old day vs today when camera pointing at monitors ;-) [9 articles]
halong - 2010-02-03 23:29:00
In the old day when we point the camera at a CRT monitor we see hum
noise, something like horizontal bars rolling up/down
Today when pointing the same camera at the LCD monitor we don't see
such ...Low Power Satellite Based Laser / Imaging System Could Easily Track Activity Disturbing Cheap Reflecting Fibers [56 articles]
Bret Cahill - 2010-02-03 22:08:00
Shine a 4 milliwatt 645 nm wavelength dollar store pet laser onto a
red reflector lens at night and it explodes into color.
Slender reflective fibers would easily reflect a relatively low power
s...How to test the primary coil on a microwave oven transformer for a short. [8 articles]
trg-s338 - 2010-02-03 14:46:00
I'm building a spot welder using a modified microwave oven
transformer. The project calls for removing the secondary coil
windings. In doing so, I accidentally "bumped" the primary coil with
a ha...wire for high current inductor [7 articles]
Budiyanto - 2010-02-03 09:50:00
I'm designing a 1 mH inductor with max current of 30 A. Anybody can give me
suggestion what kind of wire should be used? thanks
...