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Your search has returned 921 articles:
  • News

    This self-driving car could one day take you on a real road trip

    A new kind of navigation system could help self-driving cars take the road less traveled.

    Most autonomous vehicles test-driving in cities navigate using 3-D maps marking every curbside and off-ramp with almost centimeter-level precision (SN Online: 11/21/17). But there are millions of miles of open road that tech companies aren’t likely to plot in such detail any time soon.

    ...

    05/07/2018 - 00:00 Technology
  • News

    Website privacy policies don’t say much about how they share your data

    If you want to know how a website shares your personal data, you might be tempted to slog through its online privacy policy. Be prepared for disappointment. Website privacy policies explicitly disclose only a fraction of sites’ data-sharing practices, according to new research that casts doubt on whether users can make informed decisions about their online activity.

    The research,...

    04/27/2018 - 07:00 Technology, Science & Society
  • For Daily Use

    Private web browsing doesn’t mean no one is watching

    Take a quiz on web privacy

    Private web browsing isn’t nearly as private as many people think.

    Major web browsers, such as Google’s Chrome and Apple’s Safari, offer a private browsing option, sometimes known as “incognito.” The option allows people to surf the internet through a private window that doesn’t log activity into the browser’s history or influence future autofill...

    04/24/2018 - 15:30 Technology, Science & Society
  • News

    Why touch can be such a creepy sensation in VR

    There’s a fine line between immersive and unnerving when it comes to touch sensation in virtual reality.

    More realistic tactile feedback in VR can ruin a user’s feeling of immersion, researchers report online April 18 in Science Robotics. The finding suggests that the “uncanny valley” — a term that describes how humanoid robots that look almost but not quite human are creepier than their...

    04/18/2018 - 14:00 Technology
  • News

    Here’s why putting a missile defense system in space could be a bad idea

    COLUMBUS, Ohio — A beefed-up missile defense system might seem like a good idea in a time of heightened nuclear tensions. But such enhancements could have dangerous consequences.

    The current U.S. missile defense system isn’t all it was cracked up to be, performing unreliably in tests, physicist and missile defense expert Laura Grego argued April 14 at a meeting of the American Physical...

    04/17/2018 - 11:52 Science & Society, Physics, Technology
  • News

    The Facebook data debacle may not change internet behavior

    If you’re not paying, you’re the product, so the saying goes. For years, Facebook users have known that they — or, more specifically, their data — make up the bulk of the goods the social media company leverages for profit.

    Then came news that London-based data firm Cambridge Analytica accessed an estimated 87 million Facebook profiles without permission and used that data for political...

    04/15/2018 - 07:00 Technology, Science & Society
  • News in Brief

    Using laser tweezers, chemists nudged two atoms to bond

    For the first time, researchers have played matchmaker between two specific atoms, joining them together to form a molecule.

    Typically, chemists make molecules by mixing up many constituent atoms, some of which stick to each other to form the desired compounds. In the new, supercontrolled chemical reaction, researchers trapped a single sodium atom in one optical tweezer — a device that...

    04/12/2018 - 14:00 Chemistry, Technology
  • News in Brief

    This material uses energy from ambient light to kill hospital superbugs

    PHOENIX — A new material that harnesses the power of ambient light to produce bacteria-killing molecules could help stem the spread of hospital infections, including those with drug-resistant bacteria.

    About 1 in 10 patients worldwide get an infection while receiving treatment at a hospital or other health care facility, according to the World Health Organization. “Contaminated hospital...

    04/10/2018 - 07:00 Microbes, Materials, Technology
  • News in Brief

    A new soft bot mimics octopuses and inchworms to climb walls

    PHOENIX — Soft robots really get around. Some jump, others swim or crawl on the ground (SN Online: 12/13/16). Now, one can even scale walls.

    Inspired by an octopus’s suckers, researchers have constructed an inchwormlike robot that uses a pair of suction cups to scoot around vertical surfaces. The bot can clamber across rough and smooth terrain, aboveground and underwater, carrying up to...

    04/09/2018 - 12:35 Robotics, Technology
  • News in Brief

    Sheets of tiny bubbles could bring a sense of touch to virtual reality

    PHOENIX — High-tech attire that would give users the sensation of being pushed, pinched or poked could someday make virtual realities feel as real as they look.

    Today’s VR systems rely heavily on goggle-generated visual displays to transport users to simulated worlds. But superthin, shape-shifting sheets worn as sleeves or built into other garments could provide gamers with tactile...

    04/06/2018 - 15:55 Technology