Elon Musk Roads? Where We're Going We Don't Need Roads A train without wheels, which hovers above the track on a cushion of air, sounds like the stuff of science fiction. Such a train wouldn't have to contend with the force of friction,
Alternating Current Concerning Tesla Last week saw the commemorative birthday of a man who has made many invaluable contributions to science, yet was sadly poorly recognised for his efforts during his lifetime. The 10th July 2014 marked