'Flying fish' robot can propel itself out of water and glide through the air
A bio-inspired bot uses water from the environment to create a gas and launch itself from the water's surface.
Sep 11, 2019
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A bio-inspired bot uses water from the environment to create a gas and launch itself from the water's surface.
Sep 11, 2019
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University of Cordoba researchers have proposed and analyzed the operation of an energy storage system based on a cylindrical tank immersed in water that is capable of storing and releasing energy in response to the market
Nov 15, 2023
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Cornell engineers have refined a model that not only cultivates green energy, but also desalinates ocean water for large, drought-stricken coastal populations.
Dec 6, 2023
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The tidal power plant on the Rance river in Brittany, France, stands as a reminder of the underexploited potential of energy generation from ocean tides, waves and warmth.
Sep 18, 2019
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Algorithms that help consumers decide what to stream or buy online can do more than predict customers' habits: They can help satellites see the Earth better, according to a Rutgers study.
May 11, 2022
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A new Imperial-developed "dual robot" drone can both fly through air and land on water to collect samples and monitor water quality.
Jun 14, 2022
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As carbon dioxide continues to build up in the Earth's atmosphere, research teams around the world have spent years seeking ways to remove the gas efficiently from the air. Meanwhile, the world's number one "sink" for carbon ...
Feb 16, 2023
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Coastal urban centers around the world are urgently looking for new, sustainable water sources as their local supplies become less reliable. In the U.S., the issue is especially pressing in California, which is coping with ...
Sep 22, 2022
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In late May, NTNU researchers and students used a small satellite, an unmanned aerial vehicle, two unmanned boats and subsea robots to survey the same area simultaneously. This is an approach called an observational pyramid.
Jun 21, 2022
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It has been 10 years since Malaysia Airlines passenger flight MH370 disappeared on March 8 2014. To this day it remains one of the biggest aviation mysteries globally.
Mar 5, 2024
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Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5%. This means that every 1 kg of seawater has approximately 35 grams of dissolved salts (mostly, but not entirely, the ions of sodium chloride: Na+, Cl-). The average density of seawater at the surface of the ocean is 1.025 g/ml; seawater is denser than freshwater (which reaches a maximum density of 1.000 g/ml at a temperature of 4°C) because of the added mass of the salts. The freezing point of sea water decreases with increasing salinity and is about -2°C (28.4°F) at 35 gram per liter.
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