Communications of the ACM
Cybersecurity Protects Food, Agriculture
Protecting the U.S. food supply from cyberattack.
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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3-D Images, With Only One Photon Per Pixel
Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser...
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'wise Chisels': Art, Craftsmanship, and Power Tools
It's often easy to tell at a glance the difference between a mass-produced object and one that has been handcrafted: The handmade item is likely to have distinctive...
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How to Program Unreliable Chips
As transistors get smaller, they also become less reliable.
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Big Plans For Small Spacecraft
It's hard to miss the rocket engine in Paulo Lozano's MIT office.
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Making Martian Clouds on Earth
At first glance, Mars' clouds might easily be mistaken for those on Earth: Images of the Martian sky, taken by NASA's Opportunity rover, depict gauzy, high-altitude...
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New Kind of Microscope Uses Neutrons
Researchers at MIT, working with partners at NASA, have developed a new concept for a microscope that would use neutrons—subatomic particles with no electrical...
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Artificial-Intelligence Research Revives Its Old Ambitions
The birth of artificial-intelligence research as an autonomous discipline is generally thought to have been the monthlong Dartmouth Summer Research Project on Artificial...
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Terramechanics Research Aims to Keep Mars Rovers Rolling
In May 2009, the Mars rover Spirit cracked through a crusty layer of Martian topsoil, sinking into softer underlying sand.
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Views You Can se? How Online Ratings Affect Your Judgment
Are you influenced by the opinions of other people—say, in the comments sections of websites?
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Writing Programs Using Ordinary Language
In a pair of recent papers, researchers at MIT’s Computer Science and Artificial Intelligence Laboratory have demonstrated that, for a few specific tasks, it's...
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New System ses Low-Power Wi-Fi Signal to Track Moving Humans—even Behind Walls
The comic-book hero Superman uses his X-ray vision to spot bad guys lurking behind walls and other objects.
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Seeing the Human Pulse
Researchers at MIT's Computer Science and Artificial Intelligence Laboratory have developed a new algorithm that can accurately measure the heart rates of people...
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Making Quantum Encryption Practical
One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD) in which the counterintuitive behavior...
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Valuing Versatility
It's often said that we live in an age of increased specialization: physicians who treat just one ailment, scholars who study just one period, network administrators...
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Teaching Robots Lateral Thinking
Many commercial robotic arms perform what roboticists call "pick and place" tasks: The arm picks up an object in one location and places it in another.
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Predicting What Topics Will Trend on Twitter
Twitter's home page features a regularly updated list of topics that are "trending," meaning that tweets about them have suddenly exploded in volume.
From ACM Opinion
3 Questions: A Web For Everyone
During the opening ceremonies of this summer’s Olympic games in London, a musical performance culminated with a stage-set house rising into the rafters to reveal...
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Automatic Building Mapping Could Help Emergency Responders
MIT researchers have built a wearable sensor system that automatically creates a digital map of the environment through which the wearer is moving.
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Making Web Applications More Efficient
Most major Websites these days maintain huge databases: Shopping sites have databases of inventory and customer ratings, travel sites have databases of seat availability...
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