A slice of quartz ground to a prescribed thickness that vibrates at a steady frequency when stimulated by electricity. The tiny crystal, about 1/20th by 1/5th of an inch, creates the computer's ...

Even though people have been hunting for – and finding – gold nuggets in the Earth for hundreds of years, we haven’t stopped too often to ask how they’re formed in the first place. But could something ...

Earthquakes may cause gold nuggets to form in quartz by generating an electric field that attracts gold dissolved in fluid forced up from deep underground. Enormous gold nuggets are often associated ...

Liquid and solid - most people are unaware that there can be states in between. Liquid crystals are representative of one such state. While the molecules in liquids swim around at random, neighboring ...