How can we store more energy from the sun and the wind? Image copyright Solar Reserve It could be a scene from a science fiction movie.
Deep in the Nevada desert, thousands of mirrors arrayed in concentric circles face the sky, lit up by the sun. All this reflected sunshine is directed to the top of a 640 ft (195m) tower standing in their midst. JavaScript Particle System Sandbox. Graphene shows promise for bulletproof armour. 28 November 2014Last updated at 05:44 ET By Paul Rincon Science editor, BBC News website Caught in the net: Microbullets were fired at sheets of graphene The "wonder material" graphene could be used to make bulletproof armour.
US researchers carried out miniature ballistic tests by firing tiny silica spheres at sheets of graphene. In Science magazine, they report that atom-thick layers of this material can be stronger than steel when it comes to absorbing impacts. Einstein Was Wrong 1 of 4.
Astronomija un kosmoloģija. Kodoli. Kvanti. Elektromagnētisms. Iekārtas. Optika. MinutePhysics. Mehānika.