News tagged with optical device

Making a better invisibility cloak

The first functional "cloaking" device reported by Duke University electrical engineers in 2006 worked like a charm, but it wasn't perfect. Now a member of that laboratory has developed a new design that ties up one of the ...

dateNov 11, 2012 in General Physics
shares0 comments 3

Making electronics out of coal

Jeffrey Grossman thinks we've been looking at coal all wrong. Instead of just setting it afire, thus ignoring the molecular complexity of this highly varied material, he says, we should be harnessing the real value of that ...

dateApr 19, 2016 in Nanomaterials
shares1300 comments 9

Bio-inspired coating resists liquids

After a rain, the cupped leaf of a pitcher plant becomes a virtually frictionless surface. Sweet-smelling and elegant, the carnivore attracts ants, spiders, and even little frogs. One by one, they slide to their doom.

dateSep 21, 2011 in Nanomaterials
shares0 comments 10