By gavril
The newest application for solar energy is to power up airplanes. Known as the HB-SIA and built by a Swiss team, it completed its first test run in Zurich this December. The plane flew 350 meters at an altitude of one meter and will…
By gavril
The newest application for solar energy is to power up airplanes. Known as the HB-SIA and built by a Swiss team, it completed its first test run in Zurich this December. The plane flew 350 meters at an altitude of one meter and will…
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