IT IS enough to break a salty seadog's heart. There will be no shout of "land ahoy" or "aye, aye captain" on this modern-day Mary Celeste. The so-called robo-boat is a vessel controlled entirely by ...

In Madison Square Garden, at the Electrical Exhibition of 1898, Tesla staged a scientific tour de force, a demonstration completely beyond the generally accepted limits of technology. His invention, ...