Communications of the ACM
What Would the Chatbot Say?
Seeking to explain the unanticipated abilities of large language models.
From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Glitter Cloud May Serve as Space Mirror
What does glitter have to do with finding stars and planets outside our solar system?
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Nasa's New Horizons Nears Historic Encounter with Pluto
NASA's New Horizons spacecraft is three months from returning to humanity the first-ever close up images and scientific observations of distant Pluto and its system...
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Nasa Mars Rover's Weather Data Bolster Case For Brine
Martian weather and soil conditions that NASA's Curiosity rover has measured, together with a type of salt found in Martian soil, could put liquid brine in the...
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Researchers Test Smartphones For Earthquake Warning
Smartphones and other personal electronic devices could, in regions where they are in widespread use, function as early warning systems for large earthquakes, according...
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The Solar System and Beyond Is Awash in Water
As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places.
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Dawn in Excellent Shape One Month After Ceres Arrival
Since its capture by the gravity of dwarf planet Ceres on March 6, NASA's Dawn spacecraft has performed flawlessly, continuing to thrust with its ion engine as...
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Nasa Releases Tool Enabling Citizen Scientists to Examine Asteroid Vesta
NASA has announced the release of Vesta Trek, a free, web-based application that provides detailed visualizations of Vesta, one of the largest asteroids in our...
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A Gold Mine of Galaxy Nuggets
One telescope finds the treasure chest, and the other narrows in on the gold coins.
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Rover Amnesia Event Follows Latest Memory Reformatting
The team operating NASA's Mars Exploration Rover Opportunity learned Thursday that the long-lived rover experienced a brief amnesia event related to its flash memory...
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Astronomers pgrade Their Cosmic Light Bulbs
The brilliant explosions of dead stars have been used for years to illuminate the far-flung reaches of our cosmos.
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Curiosity Rover Finds Biologically seful Nitrogen on Mars
A team using the Sample Analysis at Mars (SAM) instrument suite aboard NASA's Curiosity rover has made the first detection of nitrogen on the surface of Mars from...
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Nasa Reformats Memory of Longest-Running Mars Rover
After avoiding use of the rover's flash memory for three months, the team operating NASA's 11-year-old Mars Exploration Rover Opportunity has reformatted the vehicle's...
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Rover Arm Delivers Rock Powder Sample
NASA's Curiosity Mars rover used its robotic arm Wednesday, March 11, to sieve and deliver a rock-powder sample to an onboard instrument. The sample was collected...
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On Pi Day, How Scientists Use This Number
If you like numbers, you will love March 14, 2015.
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Spacecraft Data Suggest Saturn Moon's Ocean May Harbor Hydrothermal Activity
NASA's Cassini spacecraft has provided scientists the first clear evidence that Saturn's moon Enceladus exhibits signs of present-day hydrothermal activity which...
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Use of Rover Arm Expected to Resume in a Few Days
Managers of NASA's Curiosity Mars rover mission expect to approve resumption of rover arm movements as early as next week while continuing analysis of what appears...
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Nasa Spacecraft Becomes First to Orbit a Dwarf Planet
NASA's Dawn spacecraft has become the first mission to achieve orbit around a dwarf planet.
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Rover Examining Odd Mars Rocks at Valley Overlook
NASA's Mars Exploration Rover Opportunity climbed last month to an overlook for surveying "Marathon Valley," a science destination chosen because spectrometer observations...
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Testing to Diagnose Power Event in Mars Rover
NASA's Curiosity Mars rover is expected to remain stationary for several days of engineering analysis following an onboard fault-protection action on Feb. 27 that...
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