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Your search has returned 842 articles:
  • Feature

    Virtual reality has a motion sickness problem

    Tech evangelists predicted that 2016 would be “the year of virtual reality.” And in some ways they were right. Several virtual reality headsets finally hit the commercial market, and millions of people bought one. But as people begin immersing themselves in new realities, a growing number of worrisome reports have surfaced: VR systems can make some users sick.

    Scientists are just...

    03/07/2017 - 06:00 Technology, Health, Science & Society
  • Letters to the Editor

    Readers amazed by Amasia

    Saved by the Bell

    Physicists used light from stars to perform a cosmic Bell test, which verified that quantum particles were indeed “spooky,” Emily Conover reported in “Quantum effect passes space test” (SN: 1/21/17, p. 12).

    Reader George Mitchell took issue with Conover’s description of entangled photons before they are measured as having multiple polarizations at once. “We don’t know...

    02/22/2017 - 12:43 Quantum Physics, Earth, Technology
  • News

    Europa lander mission takes another step toward reality

    BOSTON — For the first time since the Viking missions to Mars in the 1970s, NASA is making the search for evidence of life on another world the primary science goal of a space mission. The target world is Jupiter’s moon Europa, considered possibly habitable because of its subsurface ocean.

    The proposed mission, which could be operational in the next two decades, calls for a lander with...

    02/18/2017 - 11:09 Planetary Science, Technology
  • Science & the Public

    Citizen scientists are providing stunning new views of Jupiter

    Stormy, with a good chance of cyclones. That’s the forecast for Jupiter’s south pole — a region never seen before but quickly coming into focus with the help of citizen scientists.

    Music producer Roman Tkachenko’s edited image of Jupiter’s nether regions (featured above) is a perfect example. His enhancements make the swirling cyclones and white oval storms really pop compared with the...

    02/17/2017 - 06:00 Astronomy, Technology
  • 50 Years Ago

    Speech recognition has come a long way in 50 years

    Computers that hear

    Computer engineers have dreamed of a machine that would translate speech into something that a vacuum tube or transistor could understand. Now at last, some promising hardware is being developed.... It is still a long way from the kind of science fiction computer that can understand sentences or long speeches. — Science News, March 4, 1967

    Update 

    That 1967...

    02/16/2017 - 12:30 Computing, Technology
  • News in Brief

    Bat robot takes wing

    View the video

    Fancy flight tricks are a breeze for a new flying robot. Call it an acrobat.

    Bat Bot, a lightweight flier with thin silicone wings stretched over a carbon fiber skeleton, can cruise, dive and bank turn just like its namesake, researchers report February 1 in Science Robotics.

    Such a maneuverable machine could one day soar up the towering structures of a...

    02/01/2017 - 14:13 Technology, Robotics
  • News in Brief

    Legos inspire versatile fluid-filled devices

    Legos have provided the inspiration for small, fluid-ferrying devices that can be built up brick by brick.

    Tools for manipulating tiny amounts of liquid, known as microfluidic devices, can be used to perform blood tests, detect contaminants in water or simulate biological features like blood vessels. These portable devices are small, about the size of a quarter.

    Fabricating such...

    01/26/2017 - 09:00 Technology, Physics
  • News in Brief

    Heart-hugging robot does the twist (and squeeze)

    View the video

    A new squishy robot could keep hearts from skipping a beat.

    A silicone sleeve slipped over pigs’ hearts helped pump blood when the hearts failed, researchers report January 18 in Science Translational Medicine. If the sleeve works in humans, it could potentially keep weak hearts pumping, and buy time for patients waiting for a transplant.

    To make the device...

    01/18/2017 - 14:00 Technology, Robotics
  • News in Brief

    New ‘smart’ fibers curb fires in lithium-ion batteries

    Hoverboards and certain cell phones powered by lithium-ion batteries occasionally go up in flames. Scientists now have a new plan for squelching these fires before they flare out of control: incorporating a flame retardant in the battery that’s released if temperatures get too toasty.

    Within lithium-ion batteries, ions travel between positive and negative electrodes through a liquid...

    01/13/2017 - 14:00 Materials, Technology
  • Editor's Note

    Mapping the future of continents and batteries

    The Earth is always moving beneath our feet. What seems permanent, still and solid is in fact constantly creeping. It’s easy to forget that as we race through our busy days, measuring time with digital clocks rather than the achingly slow beat of rock.

    In "Evidence falls into place for once and future supercontinents", contributing correspondent Alexandra Witze explores the long-term...

    01/11/2017 - 12:18 Earth, Technology, Science & Society