Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 10, 2025
Uranium is a substance which, after being rightly classed with the elements for more than half a century, because it had not been separated into unlike parts, must now be classed with the radium-like substances which disintegrate spontaneously, although it differs from other radio-active substances in that its rate of change is almost infinitively slower than that of any of them, except thorium.
Word Of The Day
Others Looking