Pyrite, or fool's gold, is a common mineral that reacts quickly with oxygen when exposed to water or air, such as during mining operations, and can lead to acid mine drainage. Little is known, however ...

If you add quantum dots - nanocrystals 10,000 times smaller than the width of a human hair - to a smartphone battery it will charge in 30 seconds, but the effect only lasts for a few recharge cycles.

Scientists led by researchers at Sweden’s Uppsala University are investigating the use of cheap, abundant iron-pyrite as a solar cell material. With a – non certified – conversion efficiency of just 2 ...