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«
2 items tagged "molecule"
Related tags: sience [+], science [+], plastic [+], lock [+], electricity [+]
Slashdot
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Electrically Conductive Plastic Polymer
Posted: March 28th, 2007, 2:07pm MDT by ScuttleMonkey
LBL_TAG_TAGS: plastic molecule sience electricity [LBL_TAG_EDIT]
AustinSlacker writes to mention Fox news is reporting that a Dutch researcher is announcing a breakthrough in plastics. A new way of rebuilding plastics could allow them to conduct electricity just as well as the silicon wafers currently used in electronic gadgets. "Prins discovered that in plastics, the movement of electric charges was mainly hindered by the shape of the polymer, the chain-like molecular structure at the basis of each kind of plastic. Prins extended the work of a German group that had reshaped a polymer to form a ladder-like structures. By bombarding the specially developed plastic with electrons from a particle accelerator, she was able to study rapid electrical reactions and demonstrate the new plastic's ability to conduct electricity much better than regular plastic and as well as silicon chips."
Engadget
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Chemists craft molecular keypad lock
Posted: December 29th, 2006, 2:02am MST by Darren Murph
LBL_TAG_TAGS: molecule science lock [LBL_TAG_EDIT]
Filed under: Misc. Gadgets
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.]Read | Permalink | Email this | Comments
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