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E.g., 09/24/2017
E.g., 09/24/2017
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  • nuclear power plant in Stade, Germany
  • machine learning illustration
Your search has returned 850 articles:
  • Editor's Note

    Nature offers inspiration, and occasionally courage

    When Donald Griffin and Robert Galambos first reported that bats use the ricocheting echoes of sound waves to pilot through the environment, some scientists doubted it was possible. The team’s experiments, conducted in the late 1930s at Harvard University and reported in the early 1940s, coincided with World War II and the proliferation of active sonar systems for use on ships and submarines...

    09/20/2017 - 12:47 Technology, Animals
  • News in Brief

    In these bot hookups, the machines meld their minds

    View the video

    Meet the first fleet of hive-minded robots.

    These robots can latch onto one another and link up their individual “nervous systems” — the network of connections between their computer processors, cameras, wheels and other gadgetry — to create a single-minded machine. The composite robots, reported online September 12 in Nature Communications, pave the way for a new...

    09/12/2017 - 11:00 Robotics, Technology
  • 50 years ago, West Germany embraced nuclear power

    Nuclear power go-ahead

    West German power companies have decided to go ahead with two nuclear power station projects…. Compared with the U.S. and Britain, Germany has been relatively backward in the application of nuclear energy…. The slow German start is only partly the result of restrictions placed upon German nuclear research after the war. — Science News, September 16, 1967

    Update...
    09/07/2017 - 07:00 Technology
  • Feature

    Machines are getting schooled on fairness

    You’ve probably encountered at least one machine-learning algorithm today. These clever computer codes sort search engine results, weed spam e-mails from inboxes and optimize navigation routes in real time. People entrust these programs with increasingly complex — and sometimes life-changing — decisions, such as diagnosing diseases and predicting criminal activity.

    Machine-learning...

    09/06/2017 - 13:00 Technology, Science & Society
  • News

    Tiny quantum storage device fits on a chip

    A newfangled data storage device, which takes up less than a millionth the amount of space of its predecessors, could be a key component of futuristic communication systems.

    Scientists fashioned a tiny crystal that stores snippets of quantum information — which unlike computer data “bits” that come only in 0s and 1s, can also exist as both 0 and 1 simultaneously. This crystal is the...

    08/31/2017 - 14:00 Technology, Quantum Physics
  • 50 years ago, NASA whipped up astronaut waste into rocket fuel

    Waste makes haste

    Getting rid of bodily wastes during long space flights is a problem…. A bizarre possible solution … involves whipping the wastes in with some other ingredients to produce the most unusual rocket fuel…. The four ingredients — carbon, ammonium, nitrate and aluminum — and the waste material are just blended together, and they’re ready to go…. [The material] would probably...

    08/24/2017 - 09:00 Technology
  • The –est

    Meet the Bobcat Nanowagon, the world’s smallest monster truck

    WASHINGTON, D.C. — The world’s smallest monster truck has a chemical curiosity under its hood.

    Made out of a mere five molecules, the Ohio Bobcat Nanowagon checks in at 3.5 nanometers long and 2.5 wide — about the width of a DNA strand. Even so, it was the heftiest contender in the first-ever nanocar race earlier this year. This pip-squeak vehicle took home the bronze, but perhaps more...

    08/23/2017 - 17:21 Technology
  • News

    New antennas are up to a hundredth the size of today’s devices

    Antennas just got a whole lot smaller.

    Tiny chips that communicate via radio waves are a tenth to a hundredth the length of current state-of-the-art compact antennas. At only a couple hundred micrometers across — comparable to the thickness of a piece of paper — these next-gen antennas can relay the same types of signals as those used by TVs, cell phones and radios, researchers report...

    08/22/2017 - 14:00 Technology, Materials
  • The –est

    The incredible shrinking transistor just got smaller

    Carbon nanotubes may be the key to shrinking down transistors and squeezing more computer power into less space.

    Historically, the number of transistors that can be crammed onto a computer chip has doubled every two years or so, a trend known as Moore’s law. But that rule seems to be nearing its limit: Today's silicon transistors can’t get much smaller than they already are.

    Carbon...

    07/19/2017 - 07:00 Technology, Computing
  • Science Ticker

    CRISPR adds storing movies to its feats of molecular biology

    Short film is alive and well. Using the current trendy gene-editing system CRISPR, a team from Harvard University has encoded images and a short movie into the DNA of living bacteria.

    The work is part of a larger effort to use DNA to store data — from audio recordings and poetry to entire books on synthetic biology. Last year, Seth Shipman and his colleagues at Harvard threw CRISPR into...

    07/12/2017 - 19:09 Genetics, Technology