Size of X-ray beams successfully evaluated with mathematics

X-ray fluorescence analysis allows elemental analysis in a variety of environments without destroying the sample. The smaller diameter of the X-ray microbeam, the more accurate the elemental distribution can be. Because X-ray ...

Clotilda: Last US slave ship discovered among gators, snakes

The old wooden ship hull didn't look like much when researchers first saw it: just broken, waterlogged boards and a few pieces of rusted metal, all stuck in the muddy bottom of a bug-infested Alabama bayou where an alligator ...

page 1 from 5