Rayleigh scattering reveals light propagation in optical nanfibers

Optical fibers are hair-like threads of glass used to guide light. Fibers of exceptional purity have proved an excellent way of sending information over long distances and are the foundation of modern telecommunication systems. ...

Octocopter! Experimental drone for agricultural research

Following the revelation that English Premiership football club Everton FC is using drones to monitor player training sessions, it seems there's nothing these Unmanned Aerial Vehicles (UAVs) aren't being primed to do: everything ...

A magnetic twist to graphene

Electrons in materials have a property known as 'spin," which is responsible for a variety of properties, the most well-known of which is magnetism. Permanent magnets, like the ones used for refrigerator doors, have all the ...

Author documents ancient graffiti of North Korea

The elites of premodern Korea carved their names into rocks in the sacred mountains of KÅ­mgangsan for much the same reason that today's graffiti taggers wield cans of spray paint: reputation and control.

Examining how the world's largest water striders jump on water

Water striders live on the water surface and their leg length ranges from several to over 100 millimeters. It is well known that they use their long hydrophobic legs and support their bodies on the surface without breaking ...

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