Sheets of bismuth, gallium, indium, tin and lead can now be made just a few atoms thick by crushing them at a high ...

[Robin] starts with a demonstration of just how far a little bismuth depresses the melting point of tin solder — to about 135°. That allows plenty of time to work, and freeing leads from pads ...

Bismuth exhibits iridescence due to the formation of a thin oxide layer on its surface when it cools and solidifies from its molten state. This oxide layer varies in thickness, causing light waves ...