coating
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Navy backs 'omniphobic' coatings to help ships travel farther
Researchers have already explored the idea of using water-repellent ship coatings that let ships travel faster and farther. The US Navy, however, is taking things a step further. It's backing University of Michigan work on an "omniphobic" coating that shrugs off virtually any liquid (it'll even fend off peanut butter) while lasting for a long time. Ships could theoretically glide through the water without nearly as much friction as ordinary vessels, consuming less fuel and traveling longer.
Researchers develop ice-repellent coating for windshields and more
Having to scrape ice off your windshield in freezing temperatures before heading off to work is awful. When ice builds up on airplanes and other equipment, it can go from being a nuisance to causing serious danger. To combat icy buildup, researchers at the University of Michigan developed a spray-on ice repellent coating that can be applied to equipment, aircraft and car windshields to make removing the frozen stuff a breeze. In fact, the team of engineers say all it takes to clear off a treated surface is the force of gravity or a light breeze thanks "iceophobic" material.
HTC One S unibody housing micro arc oxidation process eyes-on
HTC's One S -- launched earlier this year at Mobile World Congress -- features a nifty ceramic-like finish that is achieved using micro arc oxidation. We've of course heard about the process and been treated to the details of the treatment but had yet to see it translated for our eyes to behold. HTC has a stand set up at CTIA detailing the steps from blank lump of aluminum to the finished HTC One S product with its lovely smooth black shell. Have a quick peek at the gallery below and then on to the video tour of the process steps from stamping to grinding to 10,000-volt shock. Plasma!
German researchers create smudge repellent coating from candle soot
While they're working on the lack of feedback, and need for exposed skin problems for touch screens, that other gripe -- dirty smudges -- could soon be wiped-out permanently. Researchers from the Max Planck Institute for Polymer Research in Mainz obviously had enough of sleeve-cleaning their devices and created a coating that could usher in a smudge-free world. The discovery comes after the team applied candle soot to glass and then coated it in silica to keep it in place. The glass is then heated to a bratwurst-baking 600 ºC for calcination, which makes the soot transparent -- somewhat handy for screens. To test, different oils and solvents were applied, but the glass' superamphiphobic properties soon fended them off. A resilient coating sounds a little more straight-forward than what Apple recently applied to patent, but until either of these see the light of day, you'd better keep that Brasso close by.
Permanent anti-fog coating could mean end to steamy specs
Unless you're blind, or just plain out of the loop, you've probably noticed a proliferation of folks rocking spectacles as accessories of late, but for those of us who wear the things out of necessity, there's no taking 'em off when our lenses fog up. Lucky for us, a team of Canadian researchers have patented a new permanent anti-fog coating that they claim is the first of its kind. To make sure the stuff wouldn't wash away, the crew applied four successive layers of molecules to a transparent material (either glass or plastic) before overlaying it with polyvinyl alcohol, allowing water to spread uniformly and avoiding the steamy-windows effect. The result? A super durable, multilayer coating that won't rub off, regardless of the freakish conditions you and your face encounter. Its creators see endless applications for their invention, including windshields, visors, camera lenses, and, of course, eyewear. Now that that's out of the way, we suggest they concentrate their efforts on sweat-less nose pads.
Apple patent application offers promise of stronger, scratch-proof stainless steel
As with all patent applications, it's a bit early to get too excited about this one, but a recently published filing from Apple dubbed "Nitriding Stainless Steel for Consumer Electronic Products" is one of the more interesting we've seen from the company as of late, especially when you consider its recent acquisition of Liquidmetal's intellectual property. Whereas Liquidmetal promises to let Apple create metal devices that are stronger and not limited to the usual structural or strength limitations found in conventional metals, this new patent application suggests that the company might also be working on a nitride coating for stainless steel that's described as "both scratch and impact resistant." What's more, the application suggests that the coating would not affect the appearance of the underlying stainless steel, and not cause any RF interference either. As pointed out in the application itself, that means it could be used on laptops, portable media players and, yes, even cellphones -- or it could simply be filed away with the countless other applications that haven't seen the light of day. Here's hoping for the former.
Researchers look to coffee stains for improved TV screen coating
While there's plenty of discoveries that no doubt wouldn't have been possible without coffee, few have been as directly influenced as this latest fit of inspiration from Ivan Vakarelski of the Institute of Chemical and Engineering Sciences in Singapore, who apparently saw the future of TV screens in a coffee stain. More specifically, he was intrigued by the way a coffee spill dried into a circular stain, which, as New Scientist notes, is effectively caused by coffee granules being "assembled" by the varying evaporation and convection rates in the fluid. That process, Vakarelski thought, could be replicated artificially to create a better coating for LCD and plasma screens, and he and his colleagues were ultimately able to do just that with a suspension of gold particles that were left to dry on a glass plate covered with closely packed latex microspheres. According to Vakarelski, the resulting network of gold nanoparticles is "finer than spider's silk," and potentially even more conductive than the ITO coatings commonly used today. Of course, it's still a long ways from actually be used on LCDs, although the researchers have already created coatings a few square centimeters in size, and say they plan to increase that "tenfold" as soon as possible.[Via New Scientist]
Blu-ray disc coatings starting to rot?
A thread over at the AVS Forums has highlighted a potential problem with the coating of Blu-ray discs, described by many as "disc rot" due to the mould-like spots that have made several owner's Blu-ray discs unplayable. The five page thread has reports from dozens of forum members, many of them discovering spots which can't be rubbed off on Blu-ray versions of "The Prestige." It's impossible to judge how widespread the problem is from a single forum thread, although it's not unheard of to see a product recall after a problem is discovered by users on a forum. It's also worth noting that for every user that has reported the spots, there's one or more people with discs that have no problem. If you've encountered the same issue, your best policy is to try and get a refund / replacement disc from the place where you originally bought it from. If enough people are reporting a problem, then retailers will be a much stronger voice than a bunch of consumers sounding off in the echo chamber that is "the internet."
Nokia patents diamond-hard coating for devices
That shiny new N800 isn't going to look so shiny or new after a couple drops on pavement. And don't act like you're more careful than that, either -- it happens to the best of us. Heck, frequent pocketing of a phone (or Internet Tablet, as the case may be) is usually enough to get it scuffed solidly into "well used" status. The boys and girls in Espoo always have their thinking caps on, though, and it looks like they've brewed up a solution for the pollution. To use their words, they've put together a "cover, a mobile communications apparatus and a method for producing a coated cover for an electronic apparatus" using an amorphous diamond coating. Basically, you feed some current through coal, wave your hands, and a magical 100 nanometer coating of diamond-like stuff attaches itself to plastic parts in the vicinity. And you know how hard diamond is. Best of all, the coating is apparently biodegradable, breaking down over time, at which point it'll probably turn back into coal and live to coat another device again. There's something almost Soylent Green about it, is there not?[Via Slashdot and New Scientist Tech]
