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April 26, 2011 / Martijn

How Bacteria Could Generate Radio waves

Can bacteria generate radio waves?On the face of it, this seems an unlikely proposition. Natural sources of radio waves include lightning, stars and pulsars while artificial sources include radar, mobile phones and computers. This is a diverse list. So its hard to see what these things might have in common with bacteria that could be responsible for making radio waves.But today, Allan Widom at Northeastern University in Boston and a few pals, say theyve worked out how it could be done.They point out that many types of bacterial DNA take the form of circular loops. So theyve modelled the behaviour of free electrons moving around such a small loop, pointing out that, as quantum objects, the electrons can take certain energy levels.

via How Bacteria Could Generate Radio waves – Technology Review.


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