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When plugged in, it glows normally; when the power is turned off, it also emits blue light in the dark for an hour. Not only that, but even if it is blown into pieces, it can even shine with nothing. Recently, a company in Colorado, USA, developed a new fluorescent lamp.
The light from this lamp is bright enough to provide emergency use. People don't have to blink their eyes to adjust their vision, they can quickly find a way out of the building in an emergency. Charles, the inventor of the new fluorescent lamp, said that at first he wanted to develop for a nuclear submarine. Now, he wants the US government to install the lights in subways, embassies and other potentially dangerous places. Currently, the new fluorescent lights are being tested in the Pentagon, Washington Coast Guardian headquarters and the USS Alabama submarine.
However, such a lamp seems to be more expensive in price, and its price is five times that of a universal fluorescent lamp. Of course, there is another more expensive explosion-proof lamp that is currently under development. It is said to be able to withstand the snoring of the hammer.
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