Scientists claim they're the first to transmit space-based solar power to Earth
that their space-borne prototype, called the Space Solar Power Demonstrator , had collected sunlight, converted it into electricity and beamed it to microwave receivers installed on a rooftop on Caltech's Pasadena campus. The experiment also proves that the setup, which launched on January 3, is capable of surviving the trip to space, along with the harsh environment of space itself.
"To the best of our knowledge, no one has ever demonstrated wireless energy transfer in space even with expensive rigid structures. We are doing it with flexible lightweight structures and with our own integrated circuits.
Space-based solar power has long been something of a holy grail in the scientific community. Although expensive in its current form, the technology carries the promise of potentially unlimited renewable energy, with solar panels in space able to collect sunlight regardless of the time of day.
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