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The Heart Traveling Through Static Electricity
On May 23, 1966, "Electricity World" magazine reported that a power company in Georgia, USA, experimented with "instant cardiograms" - workers wore vests with electrodes and transmitted electrocardiograms back to the medical office via radio. "Anyone can expertly send an electrocardiogram to a medical office or hospital within five minutes," the report said. Sixty years later, the energy network in western China has fully popularized the remote ECG monitoring system. Lin Shen, an electrical main
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Flywheel
In 1953, a strange vehicle appeared at an exhibition in Munich, Germany. It has no fuel tank, no overhead lines, and is driven by a steel flywheel weighing 1.5 Tons. The flywheel rotates at 3,000 revolutions per minute in the hydrogen tank and stores energy equivalent to 9 kilowatt hours of electricity. It takes a few minutes to charge and travel 8 kilometers. People marveled at its ingenuity. No one has ever asked: How long does it take for the flywheel to stop spinning when it is no longer ne
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