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Coatings

The researchers hope to start bettering the superglass coating for use on curved surfaces ...

Joanna Aizenberg, Ph.D. and her team at the Wyss Institute for Biologically Inspired Engineering at Harvard University have improved upon the Slippery Liquid-Infused Porous Surfaces (SLIPS) technology they developed back in 2012. The ultra smooth surface, which the team claims is the slipperiest known synthetic surface, has now been made transparent and more durable, giving it the potential to make the issues glass has with sticky liquids, frost and ice formation, and bacterial biofilms a thing of the past.  Read More

Principal Investigator John Hagopian and his team have developed a new technique to apply ...

Super-black nanotechnology might sound like something ripped from the pages of a comic book, but instead of being in the hands of a super-villain, it's a NASA-researched technology that is set to make spacecraft instruments more sensitive without increasing their size. John Hagopian, an optics engineer at NASA's Goddard Space Flight Center, and his team have demonstrated the ability to grow a uniform layer of carbon nanotubes on oddly shaped platforms, which will extend the potential of the technology by allowing nanotubes to be grown on 3D components.  Read More

Zebra mussels fouling a marine sensor (Image: NOAA/Wikipedia)

Engineers at Duke University have developed a polymer that keeps ships’ bottoms clean by twitching like living skin. The paint-like material combats hull fouling by preventing marine organisms from collecting on hulls by physically moving on the microscopic level and thus dislodging bacteria from the surface without toxic chemicals.  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

Far-infrared image of a building at night (Image: Robert Gubbins/Shutterstock)

Harvard Professor of Applied Physics Federico Capasso and his collaborators have invented a nearly perfect optical absorber. By coating a piece of sapphire with an exceedingly thin (180 nm) layer of vanadium dioxide (VO2), a surface is created that absorbs 99.75 percent of infrared light with a wavelength of 11.6 micron wavelength. Such optical absorbers can be tailored to enable a wide range of applications.  Read More

A graphene coating can make copper nearly 100 times more resistant to corrosion (Image: Sh...

Following on from news out of the University at Buffalo earlier this year that a graphene varnish could significantly slow the corrosion of steel, researchers from Monash and Rice Universities have used a graphene coating to improve copper’s resistance to corrosion by nearly 100 times. The researchers say such a dramatic extension of the metal’s useful life could result in significant cost savings for a wide range of industries.  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

Scientists have developed a hydrogel that lengthens the shelf life of bananas (Photo: Shut...

Just about everyone loves bananas, but there is one problem with the things – they have a way of becoming overripe before they can be eaten. Yesterday, however, a scientist from China’s Tianjin University of Science and Technology announced the development of a spray-on coating that is capable of keeping picked bananas fresh for almost two weeks.  Read More

An ultra-slippery surface treatment known as SLIPS has been shown to keep bacterial biofil...

Last June, scientists from Harvard University announced the development of their new SLIPS (Slippery Liquid-Infused Porous Surfaces) technology. When used to coat surfaces, it is highly effective at keeping ice, frost, or just about any type of liquid from accumulating on them. Now, it turns out that SLIPS is also very good at keeping something else from getting a toehold – biofilms.  Read More

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