Tech
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ComputingComputer hackers take to the cloud
People use cloud computing for storing files online. A new study shows the dark side of the cloud: These services can harbor malware.
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ComputingWind power gets downsized — but in a good way
Two young scientists have developed ways to tap into wind power on a small scale.
By Sid Perkins -
ChemistryFingers leave tell-tale clues about you on your phone
Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.
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MathCool Jobs: Motion by the numbers
What do car crash testers, video game creators and scientists who study athletic performance have in common? All use geometry in their cool jobs.
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ComputingTwo numbers set a record — and not just for being book length
Twin primes are prime numbers that differ by just 2. The largest known twins have just been discovered — each 388,342 digits long!
By Evelyn Lamb -
ComputingStar Trek technology becomes more science than fiction
On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.
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Health & MedicineImplant traps cancer cells on the move
A device implanted under the skin extended the life of mice with breast cancer. It trapped injected cancer cells before they created tumors in organs throughout the body.
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AnimalsThese young inventors had to make like a crab
This year’s top challenge for Broadcom MASTERS finalists was to design and build a robotic arm based on a crab’s arm and claw.
By Sid Perkins -
PhysicsHack: How to spy on a 3-D printer
Computer scientists have found that a hacker can eavesdrop on a 3-D printer using a smartphone. The technique uses sound and energy data produced by the printer.
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EarthWater sensor quickly detects algal poison
A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.
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EnvironmentRocket nozzle research propels teen to big win
A 13-year old won the top prize at this year’s Broadcom MASTERS science competition. She had determined the best shape for a rocket nozzle.
By Sid Perkins -
ComputingHow computers get out the vote
Increasingly computers play a role in voting. Here’s why that concerns scientists, even as they acknowledge that computers may be increasingly essential.