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30
Jun
2016

New material switches from water-repelling to water-loving with electric current

Taking advantage of the change of atomic angles in single-layer boron nitride, a new material has ...

Generally, water repellent objects and those that attract or absorb water have very different microscopic-level attributes that endow them with their behavior. For example, the myriad tiny hairs on a gecko's body help it to efficiently repel water, whilst specially treated cotton designed for harvesting water from the air contains millions of tiny pores that draw in liquid. Now researchers have discovered a way to use a single type of material to perform both functions, switching between liquid attraction and liquid repulsion, simply through the application of an electric voltage.

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Category: Materials

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29
Jun
2016

Scientists play high-tech “tag” with great whites

A great white models a prototype tag in South Africa

If you're neither a marine biologist nor a shark, then you likely aren't familiar with the White Shark Cafe. It's an area of the Pacific Ocean half-way between California and Hawaii, where large great white sharks congregate every year. While there, male sharks make dives down to depths of 250 meters (800 feet), up to 150 times a day. Why do they do it? No one knows, which is why scientists from the Monterey Bay Aquarium Research Institute (MBARI) are developing a "shark-cam" tag to stick on their dorsal fins.

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Category: Science

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29
Jun
2016

Folding boat changes from rolling suitcase to canoe in 10 minutes

The Onak transforms from roller case to canoe

Oru has won much recognition and acclaim for its lineup of folding kayaks, vessels that fold down into their own carry cases, making transport and storage much easier than full-sized rigid kayaks. But you don't always want to paddle solo. The Belgian-designed Onak canoe follows much of the same formula as the Oru, but it offers room for three plus gear.

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Category: Marine

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29
Jun
2016

Folding boat changes from rolling suitcase to canoe in 10 minutes

The Onak transforms from roller case to canoe

Oru has won much recognition and acclaim for its lineup of folding kayaks, vessels that fold down into their own carry cases, making transport and storage much easier than full-sized rigid kayaks. But you don't always want to paddle solo. The Belgian-designed Onak canoe follows much of the same formula as the Oru, but it offers room for three plus gear.

.. Continue Reading Folding boat changes from rolling suitcase to canoe in 10 minutes

Category: Marine

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