Dinosaurs Are Alive
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Law Bringer
Member # 6785
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written Saturday, August 26 2006 01:05
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My view would be that "water' defines a fluid with certain properties and uses. To each person the fluid on their home Earth would have the same properties and uses unless they could determine the chemical structure as part of their normal existance. For most people they would not be able to determine a difference. On the question of water conducting electricity, at a sufficiently high voltage it would conduct even in its purest state. The current would probably flow through air long before it reached this point. Posts: 4643 | Registered: Friday, February 10 2006 08:00 |
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Infiltrator
Member # 2836
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written Saturday, August 26 2006 13:41
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If the current can flow through air at that point, what about stuff like wood or plastic? Would they conduct under special circumstances too? If so, are there any 'superinsulators' that will not conduct electricity no matter what you try? Posts: 587 | Registered: Tuesday, April 1 2003 08:00 |
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...b10010b...
Member # 869
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written Saturday, August 26 2006 14:07
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quote:Nope. Everything will conduct electricity a little bit if you try hard enough to get it to do so. Pure silica is pretty close to a perfect insulator, though. [ Saturday, August 26, 2006 14:08: Message edited by: Thuryl ] -------------------- The Empire Always Loses: This Time For Sure! Posts: 9973 | Registered: Saturday, March 30 2002 08:00 |
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Law Bringer
Member # 6785
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written Saturday, August 26 2006 15:46
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Vacuum if you want to stretch the definition of a perfect insulator. The separation between hydrogen atoms makes ionization for conduction into the megavolt range. Posts: 4643 | Registered: Friday, February 10 2006 08:00 |
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Infiltrator
Member # 5410
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written Monday, August 28 2006 05:24
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quote:common sense definition? quote:Interesting enough, wet wood conducts electricity better than dry wood. Experiments by Ben Franklin (circa 1952) with respect to pointed bodies being able to draw off or throw off "electrical fire" were first performed with iron and then repeated with wood. "perfectly dry" wood points could not replicate the effect of an iron point but damp wood points would. The experiment consisted of charging an iron ball, next to a cork ball hanging by a thread. The charged iron ball repelled the cork ball. When presented with a pointed object, the charge transferred and the cork ball was no longer repelled. [ Monday, August 28, 2006 05:39: Message edited by: 2bit ] -------------------- "Dikiyoba ... is demon ... drives people mad and ... do all sorts of strange things." "You Spiderwebbians are mad, mad, mad as March hares." Posts: 687 | Registered: Wednesday, January 19 2005 08:00 |
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Electric Sheep One
Member # 3431
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written Wednesday, August 30 2006 11:17
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Even perfect vacuum, with no hydrogen atoms anywhere, is a conductor. An electric field excites pairs of electrically charged particles and antiparticles from vacuum. The rate at which this occurs is incredibly slow, and the corresponding current density incredibly tiny, unless the electric field is incredibly strong. All these incredibles amount to the fact that this effect has not yet been observed. But it is a very basic consequence of quantum field theory, many of whose other predictions have been tested with incredible rigor. -------------------- We're not doing cool. We're doing pretty. Posts: 3335 | Registered: Thursday, September 4 2003 07:00 |
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Electric Sheep One
Member # 3431
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written Wednesday, August 30 2006 11:19
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quote:Early to bed and early to rise makes a man live one heck of a long time. -------------------- We're not doing cool. We're doing pretty. Posts: 3335 | Registered: Thursday, September 4 2003 07:00 |
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Infiltrator
Member # 5410
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written Friday, September 1 2006 06:58
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1852. To all those that don't proofread their e-posts, a single mistake can make all the difference if it is critical. Stream of consciousness is for the lazy. -------------------- "Dikiyoba ... is demon ... drives people mad and ... do all sorts of strange things." "You Spiderwebbians are mad, mad, mad as March hares." Posts: 687 | Registered: Wednesday, January 19 2005 08:00 |
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Warrior
Member # 7171
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written Friday, September 1 2006 07:47
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Franklin was not alive in 1852. [ Friday, September 01, 2006 07:47: Message edited by: Maimonides ] Posts: 66 | Registered: Sunday, May 28 2006 07:00 |
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? Man, ? Amazing
Member # 5755
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written Friday, September 1 2006 07:47
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Completing an experiment that late would still be miraculous. -------------------- quote: Posts: 4114 | Registered: Monday, April 25 2005 07:00 |
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Agent
Member # 5814
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written Friday, September 1 2006 10:23
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quote:He's that good. [ Friday, September 01, 2006 10:26: Message edited by: Raka shaka laka ] -------------------- quote: Posts: 1115 | Registered: Sunday, May 15 2005 07:00 |
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Infiltrator
Member # 5410
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written Friday, September 1 2006 12:36
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Arrgh. :mad: quote:Should've taken my own advice. :mad: -------------------- "Dikiyoba ... is demon ... drives people mad and ... do all sorts of strange things." "You Spiderwebbians are mad, mad, mad as March hares." Posts: 687 | Registered: Wednesday, January 19 2005 08:00 |
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Shaper
Member # 247
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written Friday, September 1 2006 14:17
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I big yawn to everything on this page of the thread. :o -------------------- The Knight Between Posts. Posts: 2395 | Registered: Friday, November 2 2001 08:00 |
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Infiltrator
Member # 3040
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written Friday, September 1 2006 15:03
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quote:I think it would be impolite for no one to provide the perfunctory *groan*, so consider your pun acknowledged. -------------------- 5.0.1.0.0.0.0.1.0... Posts: 508 | Registered: Thursday, May 29 2003 07:00 |