Friday, July 7, 2017

Crystals are the Future

No seriously, they are, especially these piezoelectric kinds. I clipped some things from this article just to keep us abreast.

LA crystals turn cars into energy source
July 2017, BBC News

"Piezoelectricity is not new technology - one of the most common applications is electric cigarette lighters which use piezoelectric crystals to create a flame. The electric lighters for barbecues use the same technology.

"Piezoelectric crystals generate an electrical charge when compressed and scientists estimate that if they were positioned on a 10-mile stretch of highway they could generate enough electricity to power the city of Burbank, which has a population of more than 100,000.

"Since 2009, all the displays at the East Japan Railway Company's Tokyo station have been powered by people walking on floor tiles that utilise piezoelectricity.

"And start-up PaveGen has put similar technology beneath the floor of a football pitch in one of Rio de Janeiro's most notorious favelas to offer night-time floodlights powered by footsteps. It means children can play at night rather than hang out in gangs."

image source
Karl Deckart, Salt Crystals 10x magnification, 1996 Nikon Photomicrography Competition

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