News tagged with natural materials

New material puts a twist in light

Scientists at The Australian National University (ANU) have uncovered the secret to twisting light at will. It is the latest step in the development of photonics, the faster, more compact and less carbon-hungry successor ...

dateJul 18, 2014 in Optics & Photonics
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Consider the 'anticrystal'

( —For the last century, the concept of crystals has been a mainstay of solid-state physics. Crystals are paragons of order; crystalline materials are defined by the repeating patterns their constituent atoms and ...

dateJul 07, 2014 in Condensed Matter
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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 ...

dateJul 01, 2014 in Nanophysics
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