A few LEDs prevent the laser from receiving too much power, and a solar cell at the receiving end decodes the message and outputs it through another amplifier and a speaker. Of course you will ...

See the video below to see what [styropyro] claims is the brightest laser pointer in the world. The key is a possibly gray market very large green laser array. It appears to have at least 24 ...

With the dye, cells may be analyzed by fluorescence microscopy, flow cytometry and laser-scanning cytometry. The ability to identify cell cycle position through DNA content analysis is fundamental ...