chemical

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  • Ion-mask military waterproofing technology coming to civilian garb

    by 
    Darren Murph
    Darren Murph
    08.31.2008

    Gore-Tex is fine and dandy, but the real argonauts out there know it still buckles under the most extreme conditions. Now, however, adventurists that happen upon a ridiculous amount of water could soon ford rivers (à la Oregon Trail, of course) without worrying about soggy socks. The technology, dubbed ion-mask, was originally crafted to "ensure soldiers' clothing remained impermeable to chemical weapons," but now shoe maker Hi-Tec has inked a deal that will being the solution to a smattering of its kicks. Reportedly, ion-mask can outperform "commercial waterproof fabrics such as Gore-Tex by more than a factor of 100," and in testing, it maintained its breathability / waterproof abilities even after 100,000 flexes. No word on when full suits will be doused in this stuff, but hopefully you'll be able to wear the same outfit to the office and the jungle here shortly.

  • Bomb disposal robots get new life sniffing out chemicals

    by 
    Donald Melanson
    Donald Melanson
    07.15.2008

    It's not the first time a robot has been given fresh life with a new career, but it's always nice to see bots saved from the scrap heap, which is just what the Army's 95th Chemical Company has done with some PackBot-based bots that were once busy disposing of bombs in Iraq. Apparently, the bot was starting to show its shortcomings, so the Company decided to outfit it with some chemical-sniffing gear that lets it detect ammonia, chlorine, carbon monoxide, volatile organic compounds and all other sorts of bad things. Now, after some extensive testing, it seems that the robot (dubbed CUGV, for Chemical, Biological, Radiological and Nuclear Unmanned Ground Vehicle) is nearly ready to see some action, with it set to begin field testing in both Iraq and Afghanistan this fall.[Via Danger Room]

  • Pocketable probe could detect drink spiking

    by 
    Darren Murph
    Darren Murph
    08.15.2007

    Granted, we've come across hordes of patent applications that were far from practical, but if it's the premise that counts, we suppose this one works out alright. The app calls for a "probe" which could then be inserted into a drink, and an indicator connected to a database that would enlighten you if your drink has indeed been injected with a noxious solution while you weren't paying attention. The process would also require that a blast of electricity be sent through the probe, and though it's not directly stated, it also entails that the user be sober enough to understand it and willing to bust it out whilst partying. We have our doubts about the last two ever truly working out.[Via MedLaunches, image courtesy of BBC]

  • SeaAway's offshore Sea Sentinels detect incoming contraband

    by 
    Darren Murph
    Darren Murph
    07.05.2007

    A Florida-based startup dubbed SeaAway (no relation to Segway, truth be told) is looking to make our ports a good bit safer in the future by implementing an offshore screening process that could detect "chemical, biological, and nuclear traces as ships travel through." The aptly-dubbed Sea Sentinels would be anchored to the seafloor some 14-miles from a port, and will even house up to 15 humans and an array of unmanned aerial vehicles for extreme situations. The platforms would utilize RFID readers to detect what types of cargo passed through its screen, and if sensors flag a suspicious container, the Coast Guard is called into action. Unfortunately, the $100 million it costs to erect each system would have to be subsidized by a passage fee of $20 per container, but tax breaks for shippers are currently be pondered. Nevertheless, a prototype system will see construction later this summer, and if all goes well, finalized versions could be patrolling our seas in the not too distant future.

  • Scientists convert glucose into fuel and polyesters

    by 
    Darren Murph
    Darren Murph
    06.16.2007

    Glucose has been the building block for many zany creations 'round these parts, but using the widely available substance to create "products currently created from petroleum" has some fairly far reaching consequences. Gurus at the Pacific Northwest National Laboratory have reportedly "converted sugars ubiquitous in nature into a primary building block for fuel and polyesters," dubbed hydroxymethylfurfural (HMF). Aside from the obvious benefits of finding yet another renewable energy to tap into, learning to harness this power could give garb and plastic manufacturers new routes to source raw materials. So what do the creators themselves think? "The opportunities are endless" -- we say: prove it.

  • Portable splint instantly hardens around broken limbs

    by 
    Darren Murph
    Darren Murph
    03.28.2007

    If you always thought the inkjet approach to healing broken bones was too much of a stretch, you'll probably be interested in the plastic portable splint. Designed by Ching-Sui Kao, Geremi Durand, and Maxime Ducloux, the device is intended to be used by extreme sports participants (guess that includes Wii Sports?) that typically set records in either completion times or amount of damage done to their bodies, and can set your newly-broken limb into place right on the side of the mountain. By wrapping the limb with a set of flexible plastic strips, linking them up with Velcro, and finally applying a sodium citrate-based gel over top, a chemical reaction creates a rigid structure that forms a cast around the arm or leg. Of course, doctors can remove the material at the hospital and apply a more medically-approved rendition, but if you're looking for an easy way to excuse yourself from class or work without actually forging a doctor's note, here's your ticket.

  • Atomic force microscope takes a closer look at individual atoms

    by 
    Darren Murph
    Darren Murph
    03.02.2007

    Hot on the heels of Purdue's Mini 10 chemical analyzer comes a (somewhat) similar creature from the other side of the globe, as Osaka University's Yoshiaki Sugimoto and colleagues have "found a way to use the atomic force microscope to produce images that reveal the chemical identity of individual atoms on a surface." Essentially, this new discovery allows scientists to look at a mixed material and "pick out individual atoms of different elements on its surface, such as tin or silicon." The microscopes themselves are quite common in this realm, but until now, they have not been capable of distinguishing between atoms of different chemical elements. The atomic fingerprint, as it's so aptly named, is what the crew scrutinized in order to distinguish between varying atoms on a sample surface, as they witnessed that the relationship between force and distance is "slightly different for atoms of different elements." Of course, we have to look for the practical use in all this hubbub, and a non-participating scientist from the UK has insinuated that the discovery could be useful for nanotechnology researchers trying to design devices at the molecular level -- and who wouldn't be down a little nanotech garb or a snazzy new water-repelling umbrella?

  • Purdue researchers craft handheld chemical analyzer, likens Tricorder

    by 
    Darren Murph
    Darren Murph
    02.28.2007

    Hot on the heels of being crowned the most prolific pirating university in the land, Purdue is donning its halo once again by kicking out yet another invention that will surely make the world a better place to reside. The Mini 10 prototype is a handheld chemical analyzer that its creators have likened to Star Trek's "Tricorder," and while the internal abilities should genuinely impress, we're handing out a round of golf claps for the uber-glitzy motif it's got going on. The sophisticated sensing system measures just 13.5- x 8.5- x 7.5-inches and weighs in at 22-pounds, which is around 30 times less than conventional mass spectrometers, and aside from its ability to be completely portable via battery power, it still sports the same sniffing capabilities as its mammoth-sized siblings. In order to cram such potent chemical sensing abilities into such a small package, a miniature mass spectrometer is "combined with a technique called desorption electrospray ionization (DESI)," and can display the chemical composition of materials in a "matter of minutes without harming the samples." Interestingly enough, the prototype has already analyzed garb, food, and actual cocaine, and while we're not quite sure when you'll be able to snatch one of these up to "check in" on your mischievous teen, a couple of Indiana-based firms are apparently already looking into commercialization options.Slashdot]

  • Heat-sensitive paper could lead to 3D printers

    by 
    Darren Murph
    Darren Murph
    02.25.2007

    When you've already got self-assembling robots and Li-ion batteries, you might as well tackle 3D printouts next, right? Apparently that's the mantra being used by physicists in Israel who have purportedly invented a monomer solution that, when heated over 33 degrees Celsius, would bend and form into the object depicted, theoretically turning a flat, 2D photo into a three-dimensional rendition. Eran Sharon and colleagues from the Hebrew University of Jerusalem applied N-isopropylacrylamide to the surface of a prototype "disc," and "created a range of structures varying in complexity, from slightly wavy crisp-like objects to those that look like a sombrero." Interestingly, a scientist not directly involved with the study commented that the discovery could actually be used to craft printers that could pop out 3D printouts when heat was added, which would surely keep kids occupied (and your ink cartridges bone dry) for weeks on end. As expected, there weren't many details hinting that this novel idea would be headed for the commercial realm anytime soon, but considering all the other 3D paraphernalia already out, we can't imagine this taking too long to follow suit.[Via Slashdot]

  • Microfluidic computer runs on bubbles, deals in chemical analysis

    by 
    Darren Murph
    Darren Murph
    02.09.2007

    Flipping over to alternate energy sources isn't just the rage in vehicles, as we've seen steam-powered and string-powered computers already, and now we're witnessing an oddity that's actually energized by bubbles. The "microfluidic" computer performs calculations by squeezing bubbles through tiny channels etched into a chip, and although it runs around 1,000 times slower than you're average desktop today and takes up quite a bit more room, no AC outlet is required to churn out chemical analysis. Manu Prakash and Neil Gershenfeld of the MIT Center for Bits and Atoms created the devices by "etching channels about one micron wide into silicon, and then using nitrogen bubbles contained in water to represent bits of information flowing through these channels." The computer utilizes Boolean logic functions to carry out its work, and the researchers are already envisioning it carrying bubbles of molecules or individual cells to "conduct diagnostics or detect pathogens." We'll admit, a bubble-powered PC ain't too shabby, but even proponents fessed up that such a snail isn't putting modern day machine vendors out of business anytime soon.

  • Chemists craft molecular keypad lock

    by 
    Darren Murph
    Darren Murph
    12.29.2006

    While the folks behind the AACS could probably use a few pointers about constructing a sufficient lock of their own, a group of scientists at the Weizmann Institute of Science in Rehovat, Israel have crafted a molecule-sized "keypad lock" that "only activates when exposed to the correct password, a sequence of chemicals and light." Organic chemist Abraham Shanzer and his colleagues suggest that their invention could "lead to a new level of safeguards for secret information," but we tend think the infamous hackers of the world would inevitably crack the code. Nevertheless, the molecule -- dubbed FLIP -- houses a core linker that mimics a bacterial compound that binds to iron, and attached to it are two molecules that respectively can glow either blue or green. Using three "buttons," which just so happen to be an acidic molecule, an alkaline compound, and ultraviolet light, the lock can be "opened" if given the right sequence of chemicals and light, and there's a grand total of two noticeable results possible. Interestingly, the researchers have insinuated that their creation could be used to recognize "when certain sequences of chemicals (like harmful toxins) are released in the body," but we haven't heard a 10-4 from the US Army just yet.[Via Yahoo, thanks, Antonio H.]