Ryan Dizon

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World's 'lightest material' unveiled by US engineers

<b>A team of engineers claims to have created the world's lightest material.</b><p>The substance is made out of tiny hollow metallic tubes arranged into a micro-lattice - a criss-crossing diagonal pattern with small open spaces between the tubes.<p>The researchers say the material is 100 times lighter than …

Optical Rectenna Converts Light to DC

Using multiwall carbon nanotubes, researchers at Georgia Institute of Technology have created what they say are the first optical rectennas–antennas …

This kickstarter funded Kerv ring lets you make contactless payments with just a wave - and it's about to make your commute a dream

There's nothing worse than the faff of having to rummage through your bag or pockets to dig out your contactless card, Oyster or old-fashioned paper …

Commuting

First optical rectenna—combined rectifier and antenna—converts light to DC current

Using nanometer-scale components, researchers have demonstrated the first optical rectenna, a device that combines the functions of an antenna and a …

Nanotech

First optical ‘rectenna’ converts light to DC current

This schematic shows the components of the optical rectenna developed at the Georgia Institute of Technology (credit: Thomas Bougher, Georgia …

This incredible fact should get you psyched about solar power

In a single hour, the amount of power from the sun that strikes the Earth is more than the entire world consumes in an year.<p>To put that in numbers, from the US Department of Energy:<p><b>Each hour 430 quintillion Joules of energy from the sun hits the Earth</b>. That's 430 with 18 zeroes after it!<p>In …