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Tuesday, June 16, 2020

Underwater WiFi

Was unaware of this possibility, of course devices will have to be redesigned to make it readily available.  Only works for a 'few' meters, so the capability narrow and limited.

Angling for Underwater Wi-Fi
KAUST Discovery
June 10, 2020

Researchers at King Abdullah University of Science and Technology in Saudi Arabia built an underwater Wi-Fi system that could enable divers to transmit footage from underwater to the surface instantly by sending data through light beams. Researchers tested the Aqua-Fi system by simultaneously uploading and downloading multimedia between two computers located a few meters apart in static water, recording a maximum data transfer speed of 2.11 megabytes per second. The goal is to use radio waves to send data from a diver's smartphone to a "gateway" device attached to their gear, which would then send the data via a light beam to a computer at the surface connected to the Internet via satellite. Said King Abdullah University’s Basem Shihada, “This is the first time anyone has used the Internet underwater completely wirelessly.  .... " 

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