
for more than a century, physicists have known that a strange magnetic signal exists in common metals like copper and gold, but they have been unable to observe it.

below is a list of the 16 most expensive materials in the world, calculated according to their money / weight, sorted from lowest to highest prices. let's take a look: gold is not

researchers from washington state university and tufts university have demonstrated for the first time that a single metal atom can act as a catalyst in converting carbon monoxide