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News tagged with underwater

Scientists finding sink holes in Great Lakes

Scientists studying submerged sinkholes in the Great Lakes off the coast of northern Michigan have stumbled onto something they never expected to find: life forms akin to those found in some of Earth's most extreme environments.

Biology / Ecology

created May 04, 2009 | popularity 4.8 / 5 (15) | comments 2

Seaglider monitors waters from Arctic during record-breaking journey under ice (w/Video)

The University of Washington has surpassed its 2-year-old world record for operating a glider under the ice, this time by successfully operating one of its seagliders for six months as it made round trips ...

Space & Earth / Earth Sciences

created Apr 28, 2009 | popularity 4.3 / 5 (6) | comments 1

ONR demonstrates new counter-mine technology for ships

In a time of increasing irregular warfare threats, the Navy has devised and successfully demonstrated a revolutionary technology to help reduce the risk of naval mine strikes to U.S. Navy ships.

Technology / Engineering

created Apr 19, 2009 | popularity 5 / 5 (2) | comments 2

Engineer explores underwater wireless communications

(PhysOrg.com) -- Milica Stojanovic says the best way to think about the need for better underwater communications is to consider the Titanic.

Technology / Engineering

created Apr 02, 2009 | popularity 3.9 / 5 (8) | comments 0

Researchers Develop Flow Sensors Based on Blind Fish Hair Structures

(PhysOrg.com) -- A blind fish that has evolved a unique technique for sensing motion may inspire a new generation of sensors that perform better than current active sonar.

Technology / Engineering

created Mar 24, 2009 | popularity 4.5 / 5 (4) | comments 1

Tongan inspection team heads to undersea volcano

(AP) -- Scientists sailed Thursday to inspect an undersea volcano that has been erupting for days near Tonga - shooting smoke, steam and ash thousands of feet (meters) into the sky above the South Pacific ...

Space & Earth / Earth Sciences

created Mar 19, 2009 | popularity 4.7 / 5 (3) | comments 1

Climate change reduces nutritional value of algae

Micro-algae are growing faster under the influence of climate change. However, the composition of the algae is changing, as a result of which their nutritional value for other aquatic life is decreasing. And because algae ...

Biology / Ecology

created Mar 11, 2009 | popularity 2.7 / 5 (3) | comments 1

Unlocking mystery of the deep: Florida reef getting a road map

Equipped with floating GPS units, side scan sonar and waterproof paper, college students dove 25 feet down into an underwater classroom with a pioneering assignment: create a three-dimensional, interactive map of a reef.

Space & Earth / Earth Sciences

created Mar 10, 2009 | popularity not rated yet | comments 0

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Technology / Engineering

created Mar 06, 2009 | popularity 3.3 / 5 (23) | comments 6

Whale sonar: Two pings are better than one

Many whale species have sonar systems that send out two pings at once, allowing them to detect underwater objects with greater accuracy than even the most sophisticated human technologies, according to a study ...

Biology / Plants & Animals

created Mar 04, 2009 | popularity 5 / 5 (2) | comments 0

Great Lake's sinkholes host exotic ecosystems

Researchers are exploring extreme conditions for life in a place not known for extremes.

Space & Earth / Environment

created Feb 24, 2009 | popularity 5 / 5 (8) | comments 0

Debate unfolds over origin of grouped stones at lake's bottom

Forty feet below the surface of Lake Michigan in Grand Traverse Bay, a mysterious pattern of stones can be seen rising from an otherwise sandy half-mile of lake floor.

Other Sciences / Archaeology & Fossils

created Feb 15, 2009 | popularity 4.1 / 5 (8) | comments 2