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Hydrophobic

The new fabric sucks sweat from one side to the other where it drains away, as demonstrate...

Unsightly underarm sweat patches could soon be a thing of the past thanks to a new fabric developed at the University of California, Davis. Instead of simply soaking up sweat like conventional fabrics, the new fabric is threaded with tiny channels that pull the sweat from one side to the other where it forms into droplets that drain away.  Read More

Scientists have created a material that can be continuously tweaked between hydrophobic an...

Last year, a group of Harvard University scientists led by Dr. Joanna Aizenberg announced the development of a highly-hydrophobic (water-repellant) material known as SLIPS, or Slippery Liquid Porous Surfaces. The material is remarkable, in that it repels virtually any liquid. Now, Aizenberg and colleagues have created a new material inspired by human tears, the repellency of which can be fine-tuned for different applications.  Read More

Ever Dry creates a barrier of air between moisture and materials

Ready to be amazed? According to Ultra-tech, a Florida-based containment provider for chemical clean-up and waste management, its new Ultra-Ever Dry coating is an amazing product. The coating is "super-hydrophobic" and "oleophobic," meaning it repels almost any liquid on a wide range of materials, including – but not limited to – hammers to boots and gloves as you'll see in the following video demonstration.  Read More

Eindhoven University of Technology’s Dr. Catarina Esteves, with a piece of the fog-harvest...

In arid places where fog occurs overnight, some people utilize so-called “fog harvesters” to acquire fresh water. These are typically pieces of netting that collect fog droplets, which then roll down into a container below. Various researchers have tried to increase the efficiency of these harvesters, such as by making them from a combination of hydrophilic (water-absorbing) and hydrophobic (water-repelling) materials. Now, a team of scientists have done something a little different – they’ve created a cotton-based fog-harvesting material that switches between being entirely hydrophilic and entirely hydrophobic.  Read More

Most liquids literally bounce off surfaces treated with a 'superomniphobic' coating develo...

A team of engineering researchers at the University of Michigan has developed a nanoscale coating that causes almost all liquids to bounce off surfaces treated with it. Consisting of at least 95 percent air, the new "superomniphobic" coating is claimed to repel the broadest range of liquids of any material in its class, opening up the possibility of super stain-resistant clothing, drag-reducing waterproof paints for ship hulls, breathable garments that provide protection from harmful chemicals, and touchscreens resistant to fingerprint smudges.  Read More

York Minster (Image: Andy Barrett/Wikipedia)

York Minster is one of the largest Gothic cathedrals in Northern Europe and one of the great monuments of medieval architecture. Built in the city of York, UK between 1220 and 1472, it has suffered looting, vandalism, arson and a devastating fire after a lightning strike in 1984. Despite decades of restoration costing millions of pounds, the Minster still faces an implacable enemy, the air itself. In hopes of protecting the Minster from rotting away due to air pollution, Dr. Karen Wilson and Prof. Adam Lee of the Cardiff School of Chemistry, Cardiff University along with researchers at the University of Iowa have discovered that the key to saving the church may lie in olive oil.  Read More

A male Giant Blue Morpho (Photo: Jo McCulty, courtesy of Ohio State University)

Butterfly wings cannot be very far behind geckos' toes so far as sources of inspiration for biomimicry research goes. Various properties of the wings of lepidopterans have triggered research into banknote forgery prevention, light reflection and solar cells. New research from Ohio State University suggests the delicate membranes may hold clues to dirt-resistance surfaces.  Read More

Violent bubbling in boiling water may just be a thing of the past (Image: Northwestern Uni...

You know that thing that water does when it boils? The thing with the bubbles? Turns out, it doesn't really need to do that at all, with scientists finding a way to make boiling water a completely bubble-free zone. Researchers from Northwestern University, King Abdullah University of Science and Technology in Saudi Arabia and Melbourne University in Australia teamed up to prevent water from bubbling when it boils by using tiny spheres coated with a hydrophobic material.  Read More

DownTek water-resistant down will be used in both sleeping bags and jackets starting this ...

Water-resistant down appears to be one of the next great materials of the outdoors. Last year and earlier this year, a handful of outdoor apparel manufacturers announced garments built around the material. More recently, the number of manufacturers has multiplied and plans to release a variety of water-resistant-down sleeping bags have surfaced.  Read More

A newly developed microbot inspired by the water strider (pictured) jump across the water ...

One year after the creation of a ten-legged robot that could walk on water, a team led by Prof. Qinmin Pan has come up with a new and updated concept that, also inspired by the water strider, can accomplish the much more difficult task of jumping across the water surface without sinking.  Read More

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