Researchers in Japan have created a novel superhydrophobic hybrid surface that can separate water droplets sliding down it based on nothing more than their size. This surface, with its ‘invisible gates’, could be used to separate droplets for analytical tests or even find applications in micro-electromechanical devices.
THE MOST DANGEROUS GARMENT IN HISTORY
600 million years of continental drift, shown at 90°W, 0°, 90°E, and 180°
A huge halo of superheated gas has been discovered surrounding the Milky Way galaxy. Spanning hundreds of thousands of light years, containing up to 60 billion solar masses of material, the gas halo stretches far out into intergalactic space, and may help us to answer the mystery of where all the Universe’s missing baryons are…