Communications of the ACM
Pen-Based Computing: Still Looking For The Write App
The sector, once popular, is searching for applications and users.
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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Lisa Pathfinder Mission Paves Way For Space-Based Detection of Gravitational Waves
LISA Pathfinder, a mission led by the European Space Agency (ESA) with contributions from NASA, has successfully tested a key technology needed to build a space...
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Fifty Years of Moon Dust: Surveyor 1 Was a Pathfinder For Apollo
Before humans could take their first steps on the moon, that mysterious and forbidding surface had to be reconnoitered by robots.
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Pluto's Heart: Like a Cosmic 'lava Lamp'
Combining computer models with topographic and compositional data gathered by NASA’s New Horizons spacecraft last summer, New Horizons team members have determined...
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Nasa Radar Finds Ice Age Record in Mars' Polar Cap
Scientists using radar data from NASA's Mars Reconnaissance Orbiter (MRO) have found a record of the most recent Martian ice age recorded in the planet's north...
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Nasa Telescopes Find Clues For How Giant Black Holes Formed So Quickly
Using data from NASA's Great Observatories, astronomers have found the best evidence yet for cosmic seeds in the early universe that should grow into supermassive...
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Europa's Ocean May Have An Earthlike Chemical Balance
A new NASA study modeling conditions in the ocean of Jupiter's moon Europa suggests that the necessary balance of chemical energy for life could exist there, even...
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New Study Maps Rate of New Orleans Sinking
New Orleans and surrounding areas continue to sink at highly variable rates due to a combination of natural geologic and human-induced processes, finds a new NASA...
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Second Cycle of Martian Seasons Completing For Curiosity Rover
NASA's Curiosity Mars rover completed its second Martian year since landing inside Gale Crater nearly four Earth years ago, which means it has recorded environmental...
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2007 OR10: Largest Unnamed World in the Solar System
Dwarf planets tend to be a mysterious bunch. With the exception of Ceres, which resides in the main asteroid belt between Mars and Jupiter, all members of this...
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Nasa's Kepler Mission Announces Largest Collection of Planets Ever Discovered
NASA's Kepler mission has verified 1,284 new planets—the single largest finding of planets to date.
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Enceladus Jets: Surprises in Starlight
During a recent stargazing session, NASA's Cassini spacecraft watched a bright star pass behind the plume of gas and dust that spews from Saturn's icy moon Enceladus...
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Found: Clues About Volcanoes Under Ice on Ancient Mars
Volcanoes erupted beneath an ice sheet on Mars billions of years ago, far from any ice sheet on the Red Planet today, new evidence from NASA's Mars Reconnaissance...
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Hiding in the Sunshine: The Search for Other Earths
We humans might not be the only ones to ponder our place in the universe.
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Curiosity Mars Rover Crosses Rugged Plateau
NASA's Curiosity Mars rover has nearly finished crossing a stretch of the most rugged and difficult-to-navigate terrain encountered during the mission's 44 months...
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Cassini Explores a Methane Sea on Titan
Of the hundreds of moons in our solar system, Titan is the only one with a dense atmosphere and large liquid reservoirs on its surface, making it in some ways more...
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Light Echoes Give Clues to Protoplanetary Disk
Imagine you want to measure the size of a room, but it's completely dark. If you shout, you can tell if the space you're in is relatively big or small, depending...
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New Ceres Images Show Bright Craters
Craters with bright material on dwarf planet Ceres shine in new images from NASA's Dawn mission.
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Saturn Spacecraft Samples Interstellar Dust
NASA's Cassini spacecraft has detected the faint but distinct signature of dust coming from beyond our solar system.
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Nasa Study Solves Two Mysteries About Wobbling Earth
Using satellite data on how water moves around Earth, NASA scientists have solved two mysteries about wobbles in the planet's rotation—one new and one more than...
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