Speaker selection has started for the 2011 Extraordinary Technology Conference (July 28-July31... Albuquerque, NM). We are seeking presentations on research...
25340
eandre1@...
eanmoi
Dec 9, 2010 11:33 am
Hi Great idea! Just a note theres a lan tyo have United Natuioins declare Teslas Birthdate July 10th as TESLA WORLD DAY OF SCINCE! Anyone intrested shoud see...
25341
Michael Riversong Edu...
rivedu
Dec 9, 2010 8:06 pm
Yes, at this time of year it is necessary for all nonprofits to mention our funding needs. The same applies to Tesla Academy, which became a nonprofit in June...
25342
Michael Riversong Edu...
rivedu
Dec 12, 2010 3:37 am
SAVE 40% Now! PreRegister Today! Preregistration for the 2011 ExtraOrdinary Technology Conference (Jul 28–Jul 31 / Albuquerque, NM) is ongoing. However, in...
25343
Roger Anderton
R.J.Anderton@...
Dec 12, 2010 1:48 pm
My lecture - Einstein and the Devil at-- http://www.worldsci.org/php/index.php?tab0=More&tab1=Media&tab2=Display&id=318 I go into details about how physics was...
25344
McGalliard, Frederick B
freddyboy_9
Dec 13, 2010 4:10 pm
So give me the punch line. Einstein, a brilliant and capable mathematician, and incidentally an iconoclastic physicist, won out over the theocracy of the devil...
25345
Roger Anderton
R.J.Anderton@...
Dec 13, 2010 6:28 pm
ambiguous ... From: McGalliard, Frederick B To: 'usa-tesla@yahoogroups.com' Sent: Monday, December 13, 2010 4:09 PM Subject: RE: [usa-tesla] Einstein and the...
25346
eandre1@...
eanmoi
Dec 15, 2010 4:49 am
Einstein was well Einstien Dr. tesla even refuted Einsetins E = Mc Squre Saying the atom couldnt be "smashed" Even genius can be wrong! Still Einstein Devil...
25347
McGalliard, Frederick B
freddyboy_9
Dec 15, 2010 2:58 pm
Sure did. Tesla played a big role in all those little squirrel cage motors we take so for granted, and in the high voltage transformers that play such a big...
25348
Michael Riversong Edu...
rivedu
Jan 5, 2011 4:32 am
A Miracle Happened. The timing worked out perfectly so i'm house-sitting for a friend who's going to be away for the winter. This is close to campus in Ft....
25349
eandre1@...
eanmoi
Jan 6, 2011 4:06 am
Hope your better soon! reneber all Jan 7th is the death anniversray of Nikola Tersla Jan 7th 1943. Also plans afoot (see teslasociety.com) to have United...
25350
Reese
reeza
Jan 6, 2011 5:43 pm
Has anyone heard from Jet Black lately? I sent something to his @optusnet.com.au address, it bounced with a "No such user" message. Has anyone heard anything? ...
25351
Michael Riversong Edu...
rivedu
Jan 7, 2011 4:26 am
It has been a couple of years now since i've corresponded with him. At that time he had alluded to some health problems connected with some of his experiments....
25352
Harvey D Norris
harvich
Jan 18, 2011 2:39 pm
http://www.youtube.com/watch?v=hRiNxkdWD8U...
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Harvey D Norris
harvich
Jan 21, 2011 2:03 am
2011 Wireless Tesla Coil Demo from 465 hz 3 phase car alternator http://www.youtube.com/watch?v=qUdRQ2_ItM4 266 Machine Primary/ Tesla Coil ...
25354
Michael Riversong Edu...
rivedu
Jan 21, 2011 4:35 pm
Made several improvements this week to the Tesla Academy web site and its associated shop. Now, all the available checksheet courses are easier to find. Some...
25355
Chris Swinson
exxos_uk
Jan 21, 2011 6:36 pm
Hi all, Have a "interesting" problem which I thought id put to the list (seems a bit lacking of topics of late anyway). Using a halfbridge gate driver, all...
25356
McGalliard, Frederick B
freddyboy_9
Jan 21, 2011 6:44 pm
Half bridge, means you are driving 0 to +12 (perhaps minus a half volt or so for offset for the high state). You need to drive the heck (high current) out of...
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Chris Swinson
exxos_uk
Jan 21, 2011 6:58 pm
I know I have seen designs using a diode in parallel with a resistor , normally fast turn on slow turn off, (might be other way around!) Though if I placed a...
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Chris Swinson
exxos_uk
Jan 25, 2011 6:58 pm
Another little interesting "problem". Mains transformer, can just be a simple idea like mains to 12VDC which powers a lamp. however, the actual voltage between...
25359
McGalliard, Frederick B
freddyboy_9
Jan 25, 2011 8:52 pm
The mains for most households is, I think, a simple center tapped 240 V in the US anyway. The center tap is grounded at the pole, so we get phase A (120V to...
25360
Michael Riversong Edu...
rivedu
Jan 26, 2011 3:47 am
This is going to seem really weird, but you might be able to knock out this interference with a Moebius strip. This is generally the first lesson given in any...
25361
dave pierson
oddjob1947
Jan 26, 2011 3:22 pm
... What's the problem? 8)>> Â ... DC means there is a transformer plus a rectifier... (Common usage is inexact...) ... Exactly, commonly overlooked. Well...
25362
dave pierson
oddjob1947
Jan 27, 2011 12:29 am
... Voltages are not higher than "normal" just lots of lights, minimal maintenance. I believe a few people have been killed. ... In the US BLACK is hot/line,...
25363
dave pierson
oddjob1947
Jan 27, 2011 12:39 am
... If there is interference, mostly, there's more than 'just DC'. Even if the nominal voltage is 'just DC', ALL extended wires can pick up 'stray RF' from the...
25364
Chris Swinson
exxos_uk
Jan 27, 2011 11:00 am
Dwp, all, The problem is hum, though I do not see how alterting the grounds in anyway can prevent this. Ill try to explain. Take 2 transformers, say 230VAC...
25365
Chris Swinson
exxos_uk
Jan 28, 2011 6:28 pm
Hi all, Does anyone know of any fast opto's ? I was looking at the Avago range, they only seem to do the normal 2uS to 5uS types, but then they seem to jump...
25366
McGalliard, Frederick B
freddyboy_9
Jan 28, 2011 8:32 pm
most Opto Isolators (at least the really really old ones I know about) are used to pass KHZ signals. They have very inexpensive photo diodes LEDs and simple...
25367
Chris Swinson
exxos_uk
Jan 28, 2011 9:41 pm
I'y trying to monitor the output of a half bridge driver, actually the opto would be placed on the gate line, so as the gate driver goes high to 12volts, it...
25368
McGalliard, Frederick B
freddyboy_9
Jan 28, 2011 11:32 pm
My first order check is if there is current in the bottom leg when it is being driven off, shut er down. That works pretty good. level detectors, logic gates,...
