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E.g., 07/16/2019
Your search has returned 336 images:
  • solar panels
  • Poker game
  • Astronomicum Caesareum moon image
Your search has returned 2005 articles:
  • News

    This solar-powered device produces energy and cleans water at the same time

    By mounting a water distillation system on the back of a solar cell, engineers have constructed a device that doubles as an energy generator and water purifier.

    While the solar cell harvests sunlight for electricity, heat from the solar panel drives evaporation in the water distiller below. That vapor wafts through a porous polystyrene membrane that filters out salt and other...

    07/12/2019 - 08:00 Technology, Sustainability
  • News

    Artificial intelligence has now pretty much conquered poker

    Artificial intelligence has passed the last major milestone in mastering poker: six-player no-limit Texas Hold’em.

    Games like poker, with hidden cards and players who bluff, present a greater challenge to AI than games where every player can see the whole board. Over the last few years, computers have become aces at increasingly complicated forms of one-on-one poker, but multiplayer...

    07/11/2019 - 14:00 Artificial Intelligence, Computing, Technology
  • Science Visualized

    See how visualizations of the moon have changed over time

    Look up at the moon and you’ll see roughly the same patterns of light and shadow that Plato saw about 2,500 years ago. But humankind’s understanding of Earth’s nearest neighbor has changed considerably since then, and so have the ways that scientists and others have visualized the moon.

    To celebrate the 50th anniversary of the Apollo 11 moon landing, here are a collection of images that...

    07/10/2019 - 06:00 Planetary Science, Science & Society, Technology
  • News

    This brain region may be why some robots send chills down your spine

    A new analysis of brain scans may explain why hyperrealistic androids and animated characters can be creepy.

    By measuring people’s neural activity as they viewed pictures of humans and robots, researchers identified a region of the brain that seems to underlie the “uncanny valley” effect — the unsettling sensation sometimes caused by robots or animations that look almost, but not quite,...

    07/02/2019 - 12:00 Neuroscience, Technology
  • News

    How NASA’s portable atomic clock could revolutionize space travel

    Traveling the solar system could one day be as easy as taking a bus to work. Scientists envision self-driving spaceships ferrying astronauts through deep space, and GPS-like systems guiding visitors across the terrains of other planets and moons. But for those futuristic navigation schemes, spacecraft and satellites would need to be equipped with clocks that keep time with extreme precision —...

    06/21/2019 - 07:00 Technology, Planetary Science
  • News in Brief

    This body-on-a-chip mimics how organs and cancer cells react to drugs

    A new body-on-a-chip system could provide a more holistic view of drug effects than other devices of its kind.

    Unlike traditional organ-on-a-chip devices that simulate a single organ (SN: 3/17/18, p. 13), the new setup contains five chambers to house different types of cells, connected by channels that circulate a nutrient solution to mimic blood flow. This is the first organ-on-a-chip...

    06/19/2019 - 14:00 Biophysics, Technology, Cells
  • News in Brief

    Diamond detectors could aid the search for dark matter

    A new idea for detecting dark matter really sparkles.

    Diamonds could be used to search for the mysterious substance, a team of scientists suggests. Detectors containing the crystals could spot potential dark matter particles with relatively low masses, the researchers report in the June 15 Physical Review D.

    Dark matter is an unidentified substance that scientists think must exist...

    06/17/2019 - 08:00 Particle Physics, Technology
  • 50 years ago, scientists wanted to build solar panels on the moon

    Solar power from moon to Earth —

    An almost unlimited supply of electricity could be generated on the moon’s surface by huge arrays of solar cells and beamed to Earth by laser. Sunlight falling on a crater … could produce from 10,000 to 100,000 megawatts of power. By comparison, a large hydroelectric dam on Earth produces about 100 megawatts. Solar cells would be more efficient on...

    06/07/2019 - 08:00 Astronomy, Technology, History of Science
  • News in Brief

    This tabletop device turns the quantum definition of a kilogram into a real mass

    It’s mass for the masses.

    A tabletop device makes the new definition of the kilogram more accessible. Previously, the kilogram had been equal to the mass of a special metal cylinder kept in a vault near Paris. But researchers did away with that standard on May 20, pegging the kilogram instead to a quantum mechanical number known as the Planck constant (SN Online: 5/20/19).

    Using...

    06/03/2019 - 07:00 Physics, Technology
  • News

    A new optical atomic clock’s heart is as small as a coffee bean

    Portable atomic clocks are on their way to an upgrade.

    Today’s small, battery-operated atomic clocks track time by counting oscillations of light absorbed by cesium atoms (SN: 9/4/04, p. 50). That light oscillates billions of times per second. Now, a miniature version of a type of atomic clock called an optical clock uses light tuned to rubidium atoms, and beats trillions of times per...

    05/28/2019 - 08:00 Physics, Technology