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Answer» Hello In contrast, sunlight can and does burn your skin. But nobody ever postulates sunlight might enter your brain and makes you stupid. Actually, some infra red energy from the sun does enter the surface of the brain. So far there is no law to prevent it. How on Earth would legislation prevent it ? ? Quote from: patio on June 01, 2012, 02:36:36 PM How on Earth would legislation prevent it ? ?Well, they almost have that in London. They just send in the Fog. I officially give up. Quote from: Geek-9pm on June 01, 2012, 03:08:44 PM Well, they almost have that in London. They just send in the Fog. Get up to date, Geek, those London fogs stopped about 60 years ago, after the Clean Air Act of 1954 (I think) banned coal burning in urban areas. People had to use "smokeless fuel" such as coke or weird products with names like Coalite and Rexco or else go over to gas or electricity. As I understand it infra-red and ultra-violet light cannot travel through opaque materials anymore than visible light. It is infact the absorption of the latter that helps form Vitamin D as well as eventually give us a sunburn. Other frequencies of electromagnetic radiation have more or less "penetrating power". Of course whenever there is thought of things passing through our body, there will be alarmists talking about it being inherently dangerous, without any conclusive studies. Maybe if we tell them about Cosmic radiation they'll seal themselves in lead and we won't have to hear from them again. The wavelengths used by cellphones are not known to be dangerous. This doesn't conclude that they are perfectly safe, but anything trying to paint it's danger as a cold-hard fact is simply wrong. I'm not a fan of cellphones myself but I don't consider them inherently dangerous. I think the only real danger of cellphones is when people use them when they shouldn't, such as while driving or doing something similar that requires them to be watching and paying attention to their task and not checking to see if any of their friends commented on their like of an LOLCat picture, but that's a problem with people, not technology. My favourite part is that I know somebody who completely believes this stuff. They will flip out if they even see you using a cellphone near them, because they are animate it will injure their health. My original meeting with this person was a one-sided rant about how I shouldn't be using a cellphone because it will take years off my life. Make me sterile, and other made up crap, often involving scientific words she clearly didn't understand. After a minute, I finally realized she had mistaken my MP3 player as a cellphone. (When I quickly fixed her various errors- one of which was saying that cellphones emit "theta radiation" which to my understanding only exists in Star Trek episodes at the moment), as well as telling her that the device I was holding was not a cellphone of any sort but rather a MP3 player she concluded with "never mind" and went back to what she was doing before as if nothing happened. Later, I saw her outside. Smoking a cigarette. My father was an electrical power engineer (a real engineer) for 40 years (big stuff, he started with 11 kV local stuff and ended up commissioning 400 kV "supergrid" transmission systems) (he's still ALIVE, aged 92) and he is a very matter-of-fact person not given to believing in woo science. A few years ago a "save the children from EM radiation" scare was going on in the UK tabloid newspapers and people were saying "my little Johnny got leukemia and his bed was only 3 feet from an electric cable in the wall". There was a protest by a group of residents where a 400 kV line was going to be routed so that some homes would be either almost under or directly under conductors. I asked him if he thought there was any danger, and he said "I know that the jury is out on whether there is much danger, but I personally wouldn't like to live under a line". He said he had often felt oddly depressed and cold when within a few metres of a supergrid line. He didn't know whether it was just psychological but even if it was, that was sufficient reason to avoid proximity. Re. the OP, why would the battery charge state make any difference? Interesting! But that is a very high power line, too, far more power, voltage, and presumably RF emissions than a cellphone. I don't doubt myself that there could very well be some PHYSIOLOGICAL response to RF interference, particularly in the brain which deals quite heavily in having a specific chemical balance as well as being "electrically sensitive" in many ways; we probably know more about the Moon than we do about how our own brains work. On the one hand, of course, low voltage EM probably won't do permanent harm, my logic is that the Earth's Magnetic field is more powerful than most such low-power devices. One could even reason that for high-power transmission lines it could be some sort of "distortion" of the magnetic lines of force of the Earth's magnetic field that could Disrupt nerve impulses in some as of yet unknown manner, (but this is pure conjecture on my part with no real facts or research). Add to this the fact that if that you'd also be near that transmission line if things went sour with it and it's no wonder people prefer to live elsewhere. Quote from: BC_Programmer on June 02, 2012, 02:10:22 AM I think the only real danger of cellphones is when people use them when they shouldn't, such as while driving or doing something similar that requires them to be watching and paying attention to their task and not checking to see if any of their friends commented on their like of an LOLCat picture, but that's a problem with people, not technology. I work in a finance office of a legal organisation. We authorise and process fees and payments and do audit and financial monitoring, and as you might expect, accuracy, care and attention to detail are vital. (They are good things to have in any job, of course.) Recently some staff contracts came up for renewal and one person was most aggrieved that she did not get an offer. She had caused lots of expensive PROBLEMS because she did almost exactly what you described above (her puppy's facebook album or some pink shoes on eBay or a racist joke or her football team) and she kept paying large sums of money to the wrong people or totally wrong amounts to the right people (10 times too much or too little) etc. Quote from: BC_Programmer on June 02, 2012, 03:02:32 AM A few years ago Chinese researchers apparently found that in those children who have a certain gene, EM radiation doesn't damage DNA but seems to inhibit DNA repair of damage from other causes, which may explain leukemia clusters near power lines, which was a big scare topic in the 1970s and 80s.I messed that last post up; it isn't a quote, it's my own work. Quote from: Salmon Trout on June 02, 2012, 05:55:47 AM I messed that last post up; it isn't a quote, it's my own work.Must be in your genes. Quote from: Geek-9pm on June 02, 2012, 11:01:16 AM Must be in your genes. I'm glad you didn't write "Must be in your jeans". I am, as it happens, close to a wireless router and a mobile phone. Quote from: patio on June 01, 2012, 09:42:32 PM I officially give up. |
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