Robots that can sort recycling

Every year trash companies sift through an estimated 68 million tons of recycling, which is the weight equivalent of more than 30 million cars.

Surprising dunes on comet Chury

Surprising images from the Rosetta spacecraft show the presence of dune-like patterns on the surface of comet Chury. Researchers at the Laboratoire de Physique et Mécanique des Milieux Hétérogènes (CNRS/ESPCI Paris/UPMC/Université ...

Graphene balloons show their colors

Researchers from the Graphene Flagship have found a new potential application for graphene: mechanical pixels. By applying a pressure difference across graphene membranes, the perceived color of the graphene can be shifted ...

PNNL helping make hydropower cheaper, more fish-friendly

Enabling fish to migrate past dams could cost a fraction of conventional fish ladders with the help of a new study of the so-called Salmon Cannon, which transports fish through a flexible tube that works by creating a small ...

What guitarfish and aircraft wings have in common

Recent research by a team led by Jonathan Cox and Zhijin Wang shows how water flows through the nose of a guitarfish, a type of ray. The team discovered that vortex-like structures in their noses help the guitarfish to swim ...

Sucking Up To Survive

Shrink a human being down to the size of an insect, and you would no longer be able to sip lemonade from a straw. The forces that hold liquid together would simply be too great to overcome at that tiny scale.