First Evidence That Superconductivity Can Be Left- or Right Handed
Date: Saturday, March 04, 2017 @ 13:15:43 EST
Topic: Science


Where electricity flows without resistance... but only in one direction.

FIONA MACDONALD/ 28 FEB 2017 (www.sciencealert.com)

Scientists have found the first evidence that superconductivity, one of the most intriguing and lucrative phenomena in physics, can be left- or right-handed. Or, more accurately, that superconducting materials can display chirality.

Chirality is frequently seen in nature - chiral materials are those that have mirror image versions of themselves that aren't identical, just like a left and a right hand. But until now, chirality and superconductivity - the ability for a material to transmit electricity with zero resistance - had never been found in the same material.

Now, an international team of researchers has observed a superconducting current flowing in only one direction through a chiral nanotube - the first observation of a chiral material acting as a superconductor.

This is important, because superconductivity is one of the most sought-after phenomena in physics. Right now, we see it occur when we cool certain materials down to very-chill temperatures below around  5.8 K (-267°C or -440°F).

When that happens, superconductive materials begin to shuttle electrons through them without any resistance, making them incredibly powerful...


Full article: http://www.sciencealert.com/physicists-just-found-the-first-evidence-superconductivity-can-be-left-or-right-handed







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