(Image credit: Air Force Research Laboratory (AFRL)) LONDON — Japan is on track to beam solar power from space to Earth next year, two years after a similar feat was achieved by U.S. engineers. The development marks an important step toward a possible space-based solar power station that could help wean the world off fossil fuels amid the intensifying battle against climate change. Speaking at the International Conference on Energy from Space, held here this week, Koichi Ijichi, an adviser at th...