Detailed text transcripts for TV channel - DW - 20190524:05:42:00
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 ...
Source: archive.org