News tagged with microscope

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Gum arabic under an electron microscope (w/ Video)

This alien glob in the video below is a piece of gum arabic from the hardened sap of the Acacia tree, most likely collected from a tree in Sudan. Rox Middleton explains how the electron microscope has changed the way we are ...

Jul 01, 2014
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Video: Nanoengineered electron guns

In this video we see an electron gun made of many thousands of vertically aligned carbon nanotubes, each more than 1,000 times smaller than the width of a human hair. Dr Matt Cole, from the University of Cambridge, explains ...

Jun 20, 2014
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Physicist sifts through sandy shrapnel

Once the site of the Second World War's bloodiest battles, the beaches of Normandy are now a mecca of sunbathing and swimming. Lurking in the sand, though, is a time capsule of those battles.

Jun 05, 2014
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Microscopy charges ahead

(Phys.org) —Ferroelectric materials – substances in which there is a slight and reversible shift of positive and negative charges – have surfaces that are coated with electrical charges like roads covered ...

May 29, 2014
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A new look at the solid-liquid interface

Interesting things happen at interfaces, and when solids meet liquids it is no exception. Understanding the complex phenomena that take place at this 'solid-liquid' interface could give us important clues about how to build ...

May 22, 2014
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New NIST microscope sees what others can't

Microscopes don't exactly lie, but their limitations affect the truths they can tell. For example, scanning electron microscopes (SEMs) simply can't see materials that don't conduct electricity very well, ...

May 07, 2014
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