Saudi Arabia professors use lasers to create “Aqua-Fi” for underwater internet

Researchers at King Abdullah University of Science and Technology said they created one of the first wireless connections for underwater devices.

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An illustration of how Aqua-Fi works.

Image: King Abdullah University of Science and Technology

When it comes to communicating under the seas, humans have long struggled to find suitable tools. Radio and sonar systems are typically used but they suffer from a variety of downsides. Researchers at the King Abdullah University of Science and Technology in Thuwal, Saudi Arabia, put their heads together and came up with a new solution: Aqua-Fi. 

A team of scientists at the university recently developed a system that was able to place a brief Skype call while underwater—a breakthrough in a field that had only been able to send small snippets of data in the past. Aqua-Fi leverages a combination of lasers and off-the-shelf components, such as a Raspberry Pi computer as the modem,

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