2015 solar impulse became the 1st airplane to circle the globe on solar electric power. proved that solar powered flights are possible. a number of research groups are currently working on this development albeit without solar cells. they want to use the sun s rays to generate fuel for aircraft . 1000 times the amount of energy consumed by humankind. just a 10th of a percent of the energy. human needs. hoping to achieve. this is the largest artificial sun in the world soon light at the germ. aerospace center s institute for solar research zoo night is investigating how sunlight can be used to optimum effect each of its $149.00 xenon short arc lamps as the output