Wednesday, November 18, 2009

Bluetooth, WLAN, 3G, GPS, DSTV, FM Radio... are we frying our brains? And why the name "Bluetooth"?

We live in a world of interference - the air around us is constantly filled with invisible signals transmitting large amounts of information to and from our radios, PC's, TV's, GPS receivers... the list just goes on and on.

Is it then unreasonable to suggest that these signals can somehow interfere with our bodies, and indeed our brain - something that is effectively one huge electrical circuit?

Specifically, I wonder what effect Bluetooth headsets have on the body - Google it and you will find hundreds of cases where users have complained of headaches and other physical symptoms after using a Bluetooth headset in conjunction with their cellphones.



Trouble is, scientists are still trying to work out how the brain actually works!
That's a bit scary - if we are not even sure how our brains function, how can we be sure that the wireless technologies of today have no effect?
See what Wikipedia have to say on the topic.

Onto something a bit lighter - have you ever stopped to think about the name "Bluetooth"? Why on earth use such a name for a short-range wireless technology? The answer actually makes for some interesting reading:

Courtesy of Wikipedia:

"The word Bluetooth is an anglicised version of Swedish or Danish Blåtand, the epithet of the tenth-century king Harald I of Denmark and Norway who united dissonant Danish tribes into a single kingdom. The implication is that Bluetooth does the same with communications protocols, uniting them into one universal standard.
Although blå in modern Scandinavic languages means blue during the viking age it also could mean black. So a historically correct translation of Old Norse Harald Blátönn would rather be Harald Blacktooth than Harald Bluetooth.

The Bluetooth logo is a bind rune merging the Germanic runes (Hagall) and (Berkanan)."




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