Physics

  1. Physics

    Instant Nano Blocks: One-step process makes trillions of DNA pyramids

    Researchers have unveiled a three-dimensional building component that can be created from DNA in a simple procedure.

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  2. Physics

    Shadows of Reality

    If you’re curious about different ways of viewing the fourth dimension, this Web site provides some intriguing glimpses of this strange realm. The site was created by New York artist Tony Robbin in advance of the publication of his book, Shadows of Reality, on the fourth dimension in relativity, cubism, and modern thought. The site […]

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  3. Materials Science

    Atom Hauler: Molecular rig snags multi-atom loads

    Specialists in atomic-scale construction can now use a new molecule to gather small groups of atoms and drop them, as clusters, at specific locations.

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  4. Physics

    Ghostly Electrons: Particles flit through atom-thin islands

    Electrical measurements of one-atom-thick slices of carbon reveal extraordinary electronic properties, including electrons that seem massless and move at blazing speeds.

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  5. Physics

    Revisiting Einstein’s incomplete theory

    New, ultraprecise measurements of single-particle trajectories confirm that there's something missing from Einstein's mathematical model for Brownian motion.

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  6. Physics

    That’s the Way the Spaghetti Crumbles

    Investigating how uncooked spaghetti breaks has uncovered new mechanisms behind shattering and energy concentration, with possible implications for how structures fail.

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  7. Materials Science

    Up to Snuff: Nanotube network fights flames

    Researchers have found that infusing plastics with a network of carbon nanotubes reduces their flammability.

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  8. Physics

    Light Pedaling: Photonic brakes are vital for circuits

    A novel silicon microchip device slows and varies light-pulse speeds—a function considered critical for the development of photonic circuits based on light instead of electrons.

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  9. Physics

    A matter of gravity

    Gravity Probe B has finished its test of general relativity but results of the study won't be known for another year.

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  10. Physics

    Nanobots walk ‘n’ roll

    A molecule that waddles on stubby feet and another that drives on ball-like wheels demonstrate scientists' increasing control over the usually haphazard motion of molecules on surfaces.

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  11. Materials Science

    Brainy bandages

    Researchers have taken a step toward smart bandages that would indicate the presence of an infection in a wound.

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  12. Materials Science

    Slim and Sturdy Solar Cells: Nanocrystals offer path to electricity

    Researchers have crafted an ultrathin solar cell out of inorganic nanocrystals that have several of the advantages of plastic but avoid some of its shortcomings.

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