Monday, October 15, 2007

Being wireless


Many of you may have noticed that many of the wireless devices around your home such as cordless phones, laptops and wireless internet routers that have '2.4ghz' written on the front. Bluetooth headsets and gaming handhelds also use this frequency. This is no coincidence. The 2.4ghz frequency spectrum is not able to be sold commercially as it is the same frequency that microwave ovens use to raise water to boiling point. Thus the frequency often encounters interference and is free to use for consumer items.


As the technology leaps have granted us more and more toys in such a short time we are exposing ourselves to a massively higher amount of high power broadcast radio waves. The studys into the safety of this immersion are still at very early stages and no-one really knows for sure what we are doing to our bodies. People were quite worried when the issues began with cellphones in the 90's but the concern seems to have died down. A friend of mine recently had a brain tumor removed which they were told by their doctor was quite possibly due to high cellphone use. It is important that governments support further studies into these wireless networks and the effects these may have. The next gen of Wifi, WiMAX is just now being rolled out across the US and they will have in their pockets modems that are broadcasting up to 30 miles away at data rates of 70Mbs. Time to buy some lead underpants?


The British study is optimistic about their results so maybe we are not in too much danger, but as we fill our homes and streets with wireless devices don't forget the invisible symphony that is pounding your DNA. Research helped them lower the radiation in cellphones and will help keep them at reasonable levels for these new generation of devices as long as companies see consumers are worried about the effects.


British give Wifi study Go-ahead



See how to cook an egg with your cellphone



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