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Those who managed to stay awake in science class may recall learning about piezoelectricity, where materials like quartz generate electricity when put under pressure. This is because the crystals that ...

Introduction Can you imagine how your life would change if batteries did not exist? If it were not for this handy way to store electrical energy, we would not be able to have all of our portable ...

A nonmetal desk or table (For example, a wooden, plastic or glass desk or table would work.) At least one material to test (It should be no larger than the plate or can be folded to be small and able ...

Hong Kong University researchers have invented and patented a direct thermal charging cell (DTCC). The DTCC is a recapture device that turns low-grade heat (under 200°C) into electricity. Low-grade ...