Asleep at the Wheel?

Well, maybe this driver isn’t really in a “coma,” but there are times at stoplights when it seems like some are. Usually, however, those drivers are on cell phones or texting when the stoplights change and drivers behind them want move on. Usually just a tap on the horn will revive them, but not always.Continue reading “Asleep at the Wheel?”

Earthy But Not That Rare

They’re called rare earth elements (see yellow highlights above), and while they are not abundant like oxygen or carbon, they are not all that rare compared to the dangerous radon gas which we don’t want in our homes. In fact Cerium (element 58) is as abundant as copper. The problem with “rare earths” is thatContinue reading “Earthy But Not That Rare”