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Walking Molecule Now Carries Packages
Roland Piquepaille writes "Chemists from the University of California at Riverside designed two years ago a molecule which could move straight on a flat surface — a nano-walker if you wish. Now, they've found a way to force this walking molecule to carry packages. The nano-worker can now carry two CO2 molecules. And like yourself when you carry two heavy bags, this nano-worker is slower when it carries other molecules. The researchers think their discovery will lead to reliable ways of carrying molecules, an equivalent of the conveyor belts in today's factories."
Where do these molecules get their energy to carry "packages"? Surely they don't carry other molecules around for free. I'd think either the molecules do their job for some distance then get degraded, or they need a special substrate. Either way, the article doesn't say.
Bloc In order t=o