X-Message-Number: 21249
From: 
Date: Mon, 24 Feb 2003 08:12:32 EST
Subject: TeraHertz

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TeraHertz radiations (millimeter and sub-millimeter radio waves) come between 
ordinary radio wave and infra-red in the electromagnetics spectrum. I have 
seen two information on that subject: Los Alamos has built a free electron 
laser working in that domain and ESA (European Space Agency) www.esa.int has 
built a "camera" able to see such radiations produced by ordinary objects at 
room temperature. The last quarter 2002 ESA Bulletin has a paper about that 
instrument, able to see inside a hand covered by a book.

I make here some remarks:
1/ It must be possible to get pictures at up to .1 millimeter resolution with 
this system. 

2/Biological tissues are not crystal clear for these radiations, that implies 
a complex refraction index and so, some non-linearities. These open the way 
to multi-photons processes, such entanglement. If some tens of photons could 
be entangled and absorbed at a single site, the resolving power would scale 
up by the same factor, may be up to the micrometer domain. This is not far 
from the 200 nanometer scale of synaptic buttons, so that technology could 
serve as a non invasive brain monitor working at room temperature on a living 
brain.

Some works by NASA have demonstrated that IR radiation have a healing 
property. It seems IR can activate directly the energy system of mitochondria 
in cells, so the cell get an energy supplement without food. Entangled THR 
could work that way on the brain without surgery to implant IR wave guide. 
There could be some medical applications. Outside that, what about a brain 
powered by THR? We know that many nerve cells die because of energy shortage 
in newborns. Would THR make genius? What about THR boosted animals? will your 
next cat solve differential equations? :-)

Yvan Bozzonetti. 
 

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