Perovskites, named after a mineral discovered in the Urals in the 19th century, are compounds with the chemical formula ABX 3, where A and B are positively charged metal ions and X is a negatively ...
To stay in the air when hovering over a flower, bumble bees continually flap their wings rapidly, a metabolic process that ...
Microsoft researchers have developed a technology that writes data into glass with lasers, raising the prospect of robotic libraries full of glass tablets packed with data ...