Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...

Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

Cells at the bottom of a liquid medium begin levitating, then hovering at a particular height. With no physical contact, an ...

Because magnets are hard, they were heated to 800° C to demagnetize and soften them prior to grinding them to dust. The separated REE residue at the end of the process can be remagnetized by exposing ...

The weak spot has been known about for over half a century, but it's now getting bigger.

Physicists have uncovered the fascinating world of “rotating crystals” — solids made of spinning particles that behave in ...

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