Waste heat produced by solar cells undermines their performance, but the race is on to harness it for useful purposes. Researchers have found a way to tap into that heat to collect water out of the air, and have demonstrated the effectiveness of the idea by growing spinach in the Arabian desert, one of the driest places on Earth.
Stephen has a science degree with a major in physics, an arts degree with majors in English Literature and History and Philosophy of Science and a Graduate Diploma in Science Communication.
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