Monthly Reminder, please read: Please try to stay on topic. *Off topic: religion, sports, politics, numerology, UFOs, you get the picture. Please do not...
mad_scientist@yahoogr...
Aug 2, 2006 2:28 am
3519
Heh... ... Subject: [roys-tech-chat] *BIG* sparks Date: Tuesday 01 August 2006 06:36 pm From: "Roy J. Tellason" <rtellason@...> To:...
I was tinkering with a handheld stungun/stunner, trying to make it into a jacobs ladder. I can't get it work - I just get arcs, I was wondering if anyone here...
... Hi Justin, It can't be done unless you dramatically increase the pulse repetition rate and the average power level of the stun gun. You're forming sparks, ...
The stun gun is using a DC-AC inverter with probably square pulses and a low duty cycle. In order for the Jacob's ladder to work correctly the spark had to...
Thanks, that's very helpful. (I didn't realise how quickly the air becomes dielectric again). I narrowed the spark gap and raised the pulse rate a lot more, ...
Neon sign transformer is 120Hz pulses, actually, since each peak counts as a pulse. It is also much higher power, and a broader pulse. I seem to recall that...
You probably simply don't have enough current to heat enough air. Also, since it's a pulsed device, the air may be cooling down between pulses. Or, it might...
Well, it's that or 1. every round object is a planet (including our Moon) or 2. we arbitrarily decide that every object discovered after Pluto is not a planet....
OK, so which is stroner in compression, eggs or hollowed eggshells? The obvious intuitive answer would be eggs, but that doesn't necessarily mean it is so. I...
yep, arbitrary, science is moving ahead, more politics than science ... http://en.wikipedia.org/wiki/2006_redefinition_of_planet ... Computers are like Old...
Which is stronger? The trouble with that question is that "strong" doesn't have a rigorous engineering definition. Is it compression strength based on...
At one time, "science" was to be the Great Hope to "save" man from the grip of an oppressive and superstitious religious autocracy ... instead of supplanting...
science is a philosophy, a search for understanding, it is not anything more, I love science, but there are many kinds of understanding you are right that...
... Simplistically, almost certainly eggs. To hollow the egg, you must make a hole in it, which creates a stress point or depending on how you make the hole,...
... Strong, as in, able to support weight. _____ TSOB __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the...
There are some clips of a more traditional chladni plate here: http://video.google.com/videoplay?docid=-2095999803583620842&q=chladni+p\ late&hl=en ...
Thin shells subject to compression are susceptible to buckling. That is, if you have the least weak spot, as it begins to bend inward, it becomes more and more...
For years man has struggle to find an unextinguishable source of energy to sustain his comfortable way of living, he had look up toward the sky to harness the...
... Oh, give me a break! First of all, there isn't any such thing as a magnetic monopole, that's something that's been theorized but hasn't yet actually...
what a dream, but last I heard domains dont work that way ... Computers are like Old Testament gods; lots of rules and no mercy. ~Joseph Campbell So far,...
well business hasn't done very well either ... Computers are like Old Testament gods; lots of rules and no mercy. ~Joseph Campbell So far, therefore, as the...
simply put "you cannot multiply hypotheses to make a fact and if there is more than one apparent solution to a problem take the simplest first" William of...
I have thought and taught for many years now that Pluto is a Kuiper Belt object I dont see that this fairly lame decision of the IAU is any reason to change as...
when we put profit, status and personal ambition ahead of truth,integrity and service ... From: Jim RabidWolf To: mad_scientist@yahoogroups.com Sent: Friday,...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
