What is the laser pointer technology experiment?
Technology has come a long way in the past few decades. This means that powerful laser beams can be used by a wider audience, with a wider range of output power and colours. For example, the most common laser beam color is 532 nm green. It is the brightest color in the human eye, so it looks more powerful compared to other laser colors with the same milliwatt power. Now there are not only red and green, but also stronger colors than green, such as blue and, more recently, yellow. The higher the power, the higher the color intensity, but the green laser is actually seven to 10 times brighter than other laser beams at the same power. Be careful with these lasers. Still, this feature is very useful.
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Using a high-powered laser pointer is even more dangerous. When the laser passes through the eye, it focuses slightly on the retina and the temperature rises immediately. That's very fast. Our bodies have no time to blink to fight the damage. The macula has been damaged. Developing children's eye tissue is particularly fragile. When the laser beam reaches the macula, it can cause irreversible damage to the eye. Too much exposure can cause blindness. Laser Pointers have their advantages and disadvantages, and many people use them in experiments. First, this is an experiment using a laser pointer to light a match. Start with three matches, glue them to the board, then remove the pre-prepared Rechargeable Laser Pointer to illuminate your head. You can see the match lit immediately. Or use balloons, rows of balloons, in a fraction of the time. The laser is like a bullet, destroying the balloon one by one.
2021-11-04 08:38:13
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