Robotics
An innovative, eel-like robot developed by engineers and marine biologists at the University of California can swim silently in salt water without an electric motor. Instead, the robot uses artificial muscles filled with ...
Apr 25, 2018
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49
Energy & Green Tech
A federally funded research effort to revolutionize water treatment has yielded an off-grid technology that uses energy from sunlight alone to turn salt water into fresh drinking water. The desalination system, which uses ...
Jun 19, 2017
5
1078
Energy & Green Tech
A sustainable source for clean energy may lie in old soda cans and seawater. MIT engineers have found that when the aluminum in soda cans is exposed in its pure form and mixed with seawater, the solution bubbles up and naturally ...
Jul 25, 2024
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154
Energy & Green Tech
Estuaries—where freshwater rivers meet the salty sea—are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of sustainable, "blue" osmotic ...
Apr 24, 2024
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69
Engineering
Scientists have developed a new solar-powered system to convert saltwater into fresh drinking water which they say could help reduce dangerous waterborne diseases like cholera.
Mar 27, 2024
1
144
Energy & Green Tech
More than 2.2 billion people currently live in water-stressed countries, and the United Nations estimates that 3.5 million die every year from water-related diseases. Because the areas most in need of improved drinking water ...
Dec 5, 2023
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51
Energy & Green Tech
Flexible aqueous batteries, such as those used in portable electronics, often contain a hydrogel electrolyte containing water and salt. Using a chemical modification inspired by nature, a team of Chinese researchers have ...
Oct 5, 2023
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53
Engineering
Engineers at MIT and in China are aiming to turn seawater into drinking water with a completely passive device that is inspired by the ocean, and powered by the sun.
Sep 27, 2023
2
667
Energy & Green Tech
A simple cooling system driven by the capture of passive solar energy could provide low-cost food refrigeration and living space cooling for impoverished communities with no access to the electricity grid. The system, which ...
Sep 20, 2021
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1295
Energy & Green Tech
A battery prototype has been designed using salt water and materials that are non-toxic and charge quickly, paving the way for new types of battery.
Mar 21, 2019
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1466
