A 3D illustration of a metasurface skin cloak made from an ultrathin layer of nanoantennas covering an arbitrarily shaped object. American scientists say they have developed an ultra-thin invisibility cloak that can wrap around a 3D object and hide it from detection. Researchers at the US Department of Energy’s Lawrence Berkeley National Laboratory and the University of California, Berkeley have... 

This cryo-electron tomography image reveals the internal structure of an ultra-small bacteria cell like never before. Scientists have taken the first ever extensive microscopy images of ultra-small bacteria, which are so far thought to be the smallest life forms in existence. The bacteria have an average volume of 0.009 cubic microns (a micron is one millionth of a meter), 150,000 of which could be... 

American scientists have developed a robotic muscle 1,000 times more powerful than a human’s – using a revolutionary material that fluidly changes its properties. The invention gives vanadium dioxide amazing, superhero-style powers. Its most striking property is to change shape and structure whenever differing amounts of heat are applied to it. This made it perfectly suited for creating a torsional...