Communications of the ACM
In Space, No One Can Fix Your Sign Errors
Once you've left the Earth, the simple inversion of a critical parameter can cause a mission to fail.
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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Comet Lander's Location Still Eludes Scientists
More than a month after the Philae spacecraft bounced to the surface of Comet 67P/Churyumov-Gerasimenko, European Space Agency scientists still have not been able...
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ndersea Robot Explores Life Below Arctic Ice
While 2014 has not been kind to rockets, it has been a banner year for robots of all stripes.
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STEM Cells: The Black Box of Reprogramming
Eggs and sperm do it when they combine to make an embryo.
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Titan's Giant Dunes Track Ancient Climate
Long sand dunes that ripple across Saturn's moon Titan may have been there for thousands of years, results from NASA's Cassini spacecraft suggest.
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Physics: Quantum Computer Quest
When asked what he likes best about working for Google, physicist John Martinis does not mention the famous massage chairs in the hallways, or the free snacks available...
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S Regulators Move on Thought-Controlled Prosthetics
For the first time since accidents severed the neural connection between their brains and limbs, a small number of patients are reaching out and feeling the world...
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Mathematical Time Law Governs Crowd Flow
Walking in crowds means predicting the future.
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Joint Effort Nabs Next Wave of S Supercomputers
Once locked in an arms race with each other for the fastest supercomputers, US national laboratories are now banding together to buy their next-generation machines...
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Google Scholar Pioneer on Search Engine’s Future
As the search engine approaches its 10th birthday, Nature speaks to the co-creator of Google Scholar.
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Half of Stars Lurk Outside Galaxies
Astronomers have spotted a faint cosmic glow, unseen until now, that may come from stars that float adrift between galaxies.
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A Quantum World Arising from Many Ordinary Ones
The bizarre behaviour of the quantum world—with objects existing in two places simultaneously and light behaving as either waves or particles—could result from...
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Oldest-Known Human Genome Sequenced
A 45,000-year-old leg bone from Siberia has yielded the oldest genome sequence for Homo sapiens on record—revealing a mysterious population that may once have spanned...
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Data Bank Struggles As Protein Imaging ps Its Game
Structural biology, the mapping of complex biological molecules such as proteins, is in the grip of a revolution.
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Gravity Map Uncovers Sea-Floor Surprises
s though someone had pulled a plug in the oceans and drained them away, a sea-floor map has exposed thousands of never-before-seen underwater mountains and ridges...
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Artificial Arms Get Closer to the Real Thing
Powered prosthetic hands and arms have advanced little in the last 50 years.
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Large Hadron Collider: The Big Reboot
Mike Lamont grabs the last croissant from a table and eats it as he walks through the control centre at CERN, the European laboratory for particle physics just...
From ACM Careers
Neuroscience: Brains of Norway
The fact that Edvard and May-Britt Moser have collaborated for 30 years—and been married for 28—has done nothing to dull their passion for the brain.
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Quantum Bits Get Their First Compression
Without algorithms that compress data to encode information into fewer bits, hard drives would clog up and Internet traffic would slow to a snail's pace.
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'smart Genes' Prove Elusive
Scientists looking for the genes underlying intelligence are in for a slog.
From ACM Careers