TEA laser – Easy to make homemade/DIY laser.
This is an easy to make laser called the TEA laser that uses parts from around the house or that you can find in local stores. It puts out ultraviolet light, which you can’t see. But if you shine it on white paper or a mark made using a highlighter pen, then it get’s converted to visible light. You can also send it through a liquid containing fluorescein and it will show up. The T.E.A stands for Transverse Electrical discharge at Atmospheric pressure, though it’s sometimes thought of as Transverse Excitation at Atmospheric Pressure.
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