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PBS: Tesla - Master of Lightning: Experiments with Alternate Currents of High Potential and High Frequency
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Tesla invented a type of light bulb called the "Carbon button lamp" that is supposedly 10 times more power efficient than a standard Edison incandescent bulb. So, how come we don't use
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Carbon Ui Application Software Controls Set Switch Knobs Button Lamp Volume Equalizer Counter Stock Illustration - Download Image Now - iStock
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