An engineering model of NASA's Curiosity Mars rover is seen from the rear in a sandy, Mars-like environment named the Mars Yard at NASA's Jet Propulsion Laboratory in Pasadena, California July 25, 2012. REUTERS/Danny Moloshok

Professor A.M. Low was off a bit on the wonders of the future.

Back in 1925, in a Popular Science Monthly essay of what life would be like in a century, the British scientist figured we'd all be eating from feeding tubes around now and alarm clocks would wake us up with backrubs.

But the greatest marvel of all, he foresaw, would be the transfer of power to the Earth from other planets.