MIT Engineers Develop Wireless Underwater Camera That Doesn’t Require Batteries

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That the devices of the future can work with renewable energy, positive for the environment and reduce electricity consumption is the mission of thousands of engineers around the world. A good example of that ambition is the new creation of the Massachusetts Institute of Technology (MIT).

MIT engineers developed a wireless underwater camera that doesn’t require batteries. The first question anyone would ask is, if it doesn’t have batteries, how can it work? With sound.

According to the report published on the Teche Blog website, the autonomous camera converts the mechanical energy of sound waves traveling through water into electrical energy that powers your imaging and communications equipment.

Once an image is captured and the data is encoded, the camera also uses these sound waves to transmit data to a receiver that reconstructs the image. This means it could theoretically work for weeks before scientists need to retrieve the device, allowing them to explore remote areas of the ocean.

An efficient camera

This innovative camera is 100,000 times more energy efficient than other underwater cameras and is capable of capturing color photos, even in dark underwater environments, while also being able to transmit image data wirelessly through the water.

MIT underwater camera

Fadel Adib, associate professor in the Department of Electrical Engineering and Computer Science and director of the Signal Kinetics group at the MIT Media Lab, spoke about the camera: “One of the most exciting applications of this camera for me personally is in the context of weather monitoring. We’re building climate models, but we’re missing data for more than 95 percent of the ocean”.

This technology could help us build more accurate climate models and better understand how climate change affects the underwater world.”, he highlighted.

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