Physics
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Physics
Birds network too
Starlings in a flock adjust their trajectories to those of their closest neighbors, which helps the flock stay together when under attack.
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Physics
Extreme Measures
Physicists use atom interferometry to measure gravity and other forces with unrivaled precision, and the technique could potentially guide airplanes and uncover buried caches of oil and diamonds.
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Materials Science
Fishy flash
Fish alter the growth of crystals in their skin, making it supershiny.
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Physics
Scanner Darkly: Tiny venetian blinds enhance radiography
Microscopic gratings that select scattered X rays might improve luggage screening and cancer detection.
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Materials Science
Life in Print
Tissues printed with an ink-jet could provide patches for damaged organs, new cell-based materials for drug testing, new ways to probe cellular communication, living sensors, or even fuel cell–type batteries.
By Sarah Webb -
Physics
Supercool, and Strange
Scientists tracking H2O's highs and lows are finding new clues as to how and why the familiar substance is so odd. Recent research, for example, suggests that water may exist in two distinct liquid phases at ultralow temperatures.
By Susan Gaidos -
Physics
Dusty Fireball: Can lab-made blob explain ball lightning?
Artificial cousins of ball lightning contain microscopic particles, just like a model says they should. With video.
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Physics
Bathtub Optics: Bending light also shifts it sideways
When light bends at an interface, it also shifts depending on its polarization. With animation.
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Physics
Tiptoe acrobats get it just right
Physicists have found that a water-skating insect leaps off the water surface by applying just the right amount of force. With video.
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Physics
Light Swell: Optical rogue waves resemble oceanic ones
Signals in optical fibers can combine into rare, short-lived spikes that resemble oceanic rogue waves.
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Physics
15 = 3 × 5: Photons do their first quantum math
Physicists have performed the first calculation involving manipulation of the quantum states of photons, another step on the road to optical quantum computers.