The world’s smallest Mona Lisa is made from DNA

Leonardo da Vinci's Mona Lisa painting isn't actually that big (30 inches tall), but Caltech researchers have found a way to make that seem downright gargantuan. They've used DNA to construct the smallest known Mona Lisa. At several hundred nanomet...

Scientists capture images of molecules forming atomic bonds

Berkeley Lab spies a molecule forming atomic bonds

For most of us, molecular bonding only really exists as a classroom concept. Some scientists at Lawrence Berkeley National Laboratory can now claim more tangible knowledge, however: they're the first to have taken truly clear snapshots of bonding in progress. While trying to create graphene nanostructures and observe them with an atomic force microscope, a lab team spotted molecules forming their individual, atom-level links during a chemical reaction. The resulting shots were nearly textbook material, too -- as the molecules were neatly placed on a flat surface, the researchers identified the order and nature of each bond. While the images will only be immediately useful for the nanostructure research at hand, they may add a welcome dash of reality to future chemistry lessons.

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Via: Phys.org

Source: Lawrence Berkeley National Laboratory

Georgia Tech models swimming, cargo-carrying nanobots

Georgia Tech models swimming, cargocarrying nanobots

The nanobot war is escalating. Not content to let Penn State's nanospiders win the day, Georgia Tech has answered back with a noticeably less creepy blood-swimming robot model of its own, whose look is more that of a fish than any arachnid this time around. It still uses material changes to exert movement -- here exposing hydrogels to electricity, heat, light or magnetism -- but Georgia Tech's method steers the 10-micron trooper to its destination through far more innocuous-sounding flaps. Researchers' goals are still as benign as ever, with the goal either to deliver drugs or to build minuscule structures piece-by-piece. The catch is that rather important mention of a "model" from earlier: Georgia Tech only has a scientifically viable design to work from and needs someone to build it. Should someone step up, there's a world of potential from schools of tiny swimmers targeting exactly what ails us.

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Georgia Tech models swimming, cargo-carrying nanobots originally appeared on Engadget on Tue, 07 Aug 2012 02:44:00 EDT. Please see our terms for use of feeds.

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