19-10-2003 03:45									#1
	electric fields, the human body, and the internet Lose 30 kilos (of popups)

http://www.siggraph.org/s2003/confe.../electaura.html

http://www.technologyreview.com/articles/rnb_101703.asp

ok, so there these guys, right, from asia, and so they've successfully demonstrated a broadband wireless connection that uses electric fields to transmit information at 10mbps.

these electric fields they use? human electric fields.

that's so cool.

	19-10-2003 03:51									#2
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It doesn't sound like it's actually the electric field of the human body, but rather an induced electric field which is transported along a human body...

In other words, you're a human waveguide...

	19-10-2003 04:08									#3
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And how fast do you die from cancer then ?

	19-10-2003 04:15									#4
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bah, a eurocom luddite afraid of technology.

this is why asia will lead the future.

	19-10-2003 04:20									#5
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Generally electric fields used in communication are of very low intensity, except when they actually have to transmit over large distances. The energy output is almost certainly hundreds of times lower than that of a cell phone.

	19-10-2003 04:20									#6
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And definitely much lower than a ham radio or something...

If you're really taht afraid you probably shouldn't stand next to a microwave either. Those things pump out huge amounts of electromagnetic flux...

	19-10-2003 04:23									#7
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I, personally, try not to.

Though, honestly, I don't know why is it dangerous. I guess the hype got me. I am doing things because everyone else does.

	19-10-2003 04:24									#8
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What if you're standing in a large body of water and smoking a cigarette while that thing's on? I fear change. My wavelengths don't need a new amplitude.

	19-10-2003 04:26									#9
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quote: Originally posted by Azazel I, personally, try not to. Though, honestly, I don't know why is it dangerous. I guess the hype got me. I am doing things because everyone else does.

It's pretty silly. If large EM fields **** you up then I'm already dead meat. Half the labs here are bathed in magnetic fields of a hundred Gauss or so (.01 T)...

	19-10-2003 04:28									#10
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quote: Originally posted by st_swithin What if you're standing in a large body of water and smoking a cigarette while that thing's on? I fear change. My wavelengths don't need a new amplitude.

You're already getting a nice buzz off of whatever lights are on around you. If they're fluorescent, it's even worse...

	19-10-2003 04:28									#11
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I still worry about the dosimeter I had to wear as a child.

	19-10-2003 04:29									#12
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OTOH, what about all of those RADAR technicians getting cancer?

	19-10-2003 04:29									#13
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My girlfriend has to wear one all day at work...

	19-10-2003 04:30									#14
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quote: Originally posted by Azazel OTOH, what about all of those RADAR technicians getting cancer?

Radar fields are intense. Standing in front of the dish is like standing inside the microwave...

	19-10-2003 04:36									#15
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If her arm starts glowing, RUN!!

I accidentally dropped mine behind a lead shield into a flask of tritiated cholesterol. I bet the lab techs almost shat themselves when they tested it. Or else they thought I was washing my hands in it.

	19-10-2003 04:37									#16
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I see. Well, all I can say is :eat plenty of vitamines and veggies, to prevent damage from accumulating.

	19-10-2003 04:44									#17
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Machines using humans in order to work... hmmm


The Matrix!

	19-10-2003 04:46									#18
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I gnawed it off at the elbow. It was pretty tasty - like microwaved chicken.

	19-10-2003 04:51									#19
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The amount of images you describe and their intensity are stagerring, st_S.

	19-10-2003 04:52									#20
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quote: Originally posted by Azazel I see. Well, all I can say is :eat plenty of vitamines and veggies, to prevent damage from accumulating.

Don't be silly. The radiation fields most certainly aren't ionizing (their frequency is way too low for that).

It's not like I'm peering into the X-ray diffraction machine while it's running...

	19-10-2003 04:54									#21
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Anyway, electronics are more sensitive than people. If the computer's still running then things are okay. They're like high-tech canaries...

	19-10-2003 04:55									#22
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It's the hype, I am telling you, the stupid, ignorant hype that got me.

	19-10-2003 04:57									#23
	Put an end to popups!

On the plus side, I'd never thought about radioactively tagged cholesterol before now...

	19-10-2003 04:59									#24
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quote: Originally posted by Azazel OTOH, what about all of those RADAR technicians getting cancer?

If you stand under the nose of an F-15 and it's radar is turned on, you will die.
(Correct me if I'm wrong MtG)

	19-10-2003 05:00									#25
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quote: Originally posted by KrazyHorse Generally electric fields used in communication are of very low intensity, except when they actually have to transmit over large distances. The energy output is almost certainly hundreds of times lower than that of a cell phone.

I prefer that.
I'm actually convinced the cell-phone scandal will be the future equivalent of the cigarette scandal. I'm damn glad I avoid both;

I want to die from a heart attack goddammit !

	19-10-2003 05:01									#26
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quote: Originally posted by geeslaka If you stand under the nose of an F-15 and it's radar is turned on, you will die. (Correct me if I'm wrong MtG)

That sounds possible. They needed radar strong enough to burn through interference. It could easily be putting out 10 (?) kilowatt-range radiation. Depending on the frequency you might absorb a large percentage of that, which would be enough to burn you up pretty bad.

	19-10-2003 05:03									#27
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quote: Originally posted by Spiffor I prefer that. I'm actually convinced the cell-phone scandal will be the future equivalent of the cigarette scandal. I'm damn glad I avoid both;

Doubtful.

	19-10-2003 05:09									#28
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god, the ignorance of electromagnetic radiation and their health effects is astounding.

	19-10-2003 05:15									#29
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quote: Originally posted by MRT144 god, the ignorance of electromagnetic radiation and their health effects is astounding.

Then please correct our ignorance and explain it.

	19-10-2003 05:24									#30
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Maybe it'll be like the way the marketing department changed the name of NMR(nuclear magnetic resonance) to MRI(magnetic resonance imagery) so people wouldn't be scared to undergo the process.

Most people in America say 'nuke-you-ler' anyway, so it probably didn't make a difference in the long run.

Screw this, I'll take my chances on cigarettes. I mean, if cigarettes came in a black pack, with a skull and a crossbones on the cover, called Tumors, smokers would still be lining up around the corner to buy some.
"I bet you get a tumor as soon as you light one up!"
(apologies to Denis Leary)

"I'm gonna name my tumor Marla."
(apologies to Chuck Palahnuik)