As it turns out, though, quartz is so immensely useful for a technological society that there’s no way for the supply of naturally formed crystals to match demand. Like copper before it ...

Before a museum displays a piece of art, conservators need to test every new material used to build the enclosure.The wrong paint, fabric, or wood can off-gas volatile compounds that could harm ...

Speaker two That’s excess. We’ve got excess! Success! Speaker one Next we’re going to make the crystals from the copper sulfate by removing the excess copper oxide. Now, as copper oxide is ...