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Not long ago we in the era of optical fiber and has invented a new form of communication through the known laser, using simple laser pens. Call for Visible Light Communication System, the technology achieves a connection faster and with fewer errors than Wi-Fi and Bluetooth.
These are common laser pens, those that are used to play with cats or present data show the slides. Researchers to test the concept, they used two of them - one red and one green. They fitted a transmission data in each of the pens and were able to achieve a blazing 1 GB per second (500 MB per second for each beam).
But they are forgetting one very large disadvantage when the laser is crossed by something will lose this communication, we will see how to get around. Will it have a future?
image not mine