[net-gold] Australian Researchers Capture Image of Atom
- From: "David P. Dillard" <jwne@xxxxxxxxxx>
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- Date: Mon, 9 Jul 2012 12:06:43 -0400 (EDT)
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Date: Mon, 9 Jul 2012 19:52:51 +0530
From: Soundara Rajan <nssrajan@xxxxxxxxx>
Reply-To: Net-Gold@xxxxxxxxxxxxxxx
To: David Dillard <net-gold@xxxxxxxxxxxxxxx>
Subject: [Net-Gold] Australian Researchers Capture Image of Atom
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Australian Researchers Capture Image of Atom
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06 July 2012
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In a unique achievement, researchers
at Griffith University in Brisbane,
Australia, have recorded for the
first time the image of an atom's shadow.
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The researchers used a custom-made
ion trap, capable of holding a single
atom at a time. Once that was done,
they focused light of the correct
wavelength past the atom to cause a
shadow, a very, very small shadow at
that.
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To make the exercise easier, they
started with a big atom - Ytterbium ,
with an atomic mass of 174 - and
cooled it right down to -273°C to
stabilise it. They then trained a
beam on light on it and captured the
resulting shadow using a Fresnel lens.
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The amazing achievement, might help
serve a useful purpose too. According
to the researchers, the techniques
could be used for the creation of
extremely high-res biological imaging
systems, that could monitor samples
like DNA without damaging them.
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Source:
Domain B.com
http://www.domain-b.com/
technology/biotech_pharma/
20120706_capture_image.html
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N.S. Soundar Rajan
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- » [net-gold] Australian Researchers Capture Image of Atom - David P. Dillard
