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Satellite constellations harvest energy for near-total global coverage（图）
Satelliteconstellations harvest energy global coverage
2020/1/19
Think of it as a celestial parlor game: What is the minimum number of satellites needed to see every point on Earth? And how might those satellites stay in orbit and maintain 24/7 coverage while conte...
Design and Analysis of a Mechanical Device to Harvest Energy From Human Footstep Motion
energy harvesting dual-oscillating mechanism human motion
2011/8/5
Portable electronics is usually powered by battery, which is not sustainable not only to the longtime outdoor use but also to our living environment.