Pentagon backs plan to beam solar power from space

At the same press conference, over a dozen space advocacy groups announced a new alliance to promote space solar power – the Space Solar Alliance for Future Energy. These supporters of space-based solar power say the technology has the potential to provide more energy than fossil fuels, wind and nuclear power combined.

Sex and marriage with robots? It could happen

The main benefit of human-robot marriage could be to make people who otherwise could not get married happier, "people who find it hard to form relationships, because they are extremely shy, or have psychological problems, or are just plain ugly or have unpleasant personalities," Levy said. "Of course, such people who completely give up the idea of forming relationships with other people are going to be few and far between, but they will be out there."

Visions for the cars of 2057