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datePast Year
subjectComputer Systems
authorNew Scientist
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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


Ethereum Closes Security Hole with Energy-Saving Update
From ACM TechNews

Ethereum Closes Security Hole with Energy-Saving Update

An update rolled out by the Ethereum cryptocurrency reduced the energy needed to produce it, and also fixed a security flaw.

Sound Vibrations Can Encode, Process Data Like Quantum Computers
From ACM TechNews

Sound Vibrations Can Encode, Process Data Like Quantum Computers

University of Arizona researchers demonstrated that trapping sound in a simple mechanical device can imitate certain properties of quantum computers.

Centipede Robots with More Legs Better at Walking Over Bumps
From ACM TechNews

Centipede Robots with More Legs Better at Walking Over Bumps

Researchers at the Georgia Institute of Technology found that multi-legged robots with more legs were better at navigating rough terrain than those with fewer legs...

Smart Glasses Dim Bright Objects
From ACM TechNews

Smart Glasses Dim Bright Objects

Camera- and liquid-crystal display-equipped smart glasses can "balance" a scene by dimming bright objects without affecting dim ones.

Inflatable Drone Can Bounce Off Walls, Perch on Nearly Anything
From ACM TechNews

Inflatable Drone Can Bounce Off Walls, Perch on Nearly Anything

Arizona State University researchers have developed an inflatable drone that can perch on nearly any object.

Wood Transistor Could Let Us Embed Electronics in Trees
From ACM News

Wood Transistor Could Let Us Embed Electronics in Trees

An electrochemical transistor made from balsa wood opens up the possibility of embedding sensors and other electronic devices in plants, which could help in agriculture...

Crystal Impervious to Radiation Could be Used in Spaceship Computers
From ACM News

Crystal Impervious to Radiation Could be Used in Spaceship Computers

Putting two forms of semiconductor material called gallium oxide together seems to make it completely resistant to radiation.

Computer Made of DNA Works Out Prime Factors of 6 and 15
From ACM TechNews

Computer Made of DNA Works Out Prime Factors of 6 and 15

Researchers at China's Shanghai Jiao Tong University developed a simple computer using molecules of folded DNA that was able to split the numbers 6 and 15 into...

Supersized Atoms Could Help Quantum Computers Link to Optical Fibers
From ACM TechNews

Supersized Atoms Could Help Quantum Computers Link to Optical Fibers

Researchers developed a device that could enable multiple quantum computers to be networked together by converting quantum outputs into light signals that can travel...

Quantum Computers May Finally Have Practical Use
From ACM TechNews

Quantum Computers May Finally Have Practical Use

Researchers have developed a method for certifying that quantum computers generate truly random numbers without having to inspect the process.

Quantum Computers That Use 'Cat Qubits' May Make Fewer Errors
From ACM TechNews

Quantum Computers That Use 'Cat Qubits' May Make Fewer Errors

Researchers in France found so-called "cat qubits” (quantum bits) could reduce errors by quantum computers and accelerate the cracking of common encryption algorithms...

Kombucha Cultures Can Be Turned into Flexible Electric Circuit Boards
From ACM TechNews

Kombucha Cultures Can Be Turned into Flexible Electric Circuit Boards

Researchers at the U.K.'s University of the West of England, Bristol used the mat of cells that form on top when brewing kombucha to develop flexible electric circuit...

Quantum Computers Vulnerable to Eavesdropping Hackers
From ACM TechNews

Quantum Computers Vulnerable to Eavesdropping Hackers

Allen Mi and colleagues at Yale University warn that even carefully wiping quantum computers of data would not thwart its theft by hackers.

Humans Beat DeepMind AI in Creating Algorithm to Multiply Numbers
From ACM TechNews

Humans Beat DeepMind AI in Creating Algorithm to Multiply Numbers

Researchers at Austria's Johannes Kepler University Linz bested an algorithm developed by DeepMind with a program that can perform matrix multiplication more efficiently...

Too Many Electric Cars Charging at Night May Overload Electrical Grid
From ACM TechNews

Too Many Electric Cars Charging at Night May Overload Electrical Grid

Computer modeling determined the western U.S. power grid could be strained if electric vehicle owners primarily charging their vehicles at home overnight.

Computer Runs Calculations Depending on How You Squish It
From ACM TechNews

Computer Runs Calculations Depending on How You Squish It

Pennsylvania State University researchers built a soft computer from rows of rubber blocks that performs different calculations based on how it is squished.

Quantum Computers Might Not Offer Extreme Speed Boost for Chemistry
From ACM TechNews

Quantum Computers Might Not Offer Extreme Speed Boost for Chemistry

New research suggests the required computing power could diminish quantum computing's exponential speed advantage.

Computer Component Could Use as Little Energy as Physically Possible
From ACM TechNews

Computer Component Could Use as Little Energy as Physically Possible

Researchers built a nanomechanical logic gate that uses vibrations for information processing rather than electrons.

Quantum Computer Cools Itself by Performing Calculations
From ACM TechNews

Quantum Computer Cools Itself by Performing Calculations

A small diamond-based quantum computer performs a sequence of mathematical operations to cool itself.

Acoustic Levitation Used to Build Complex Structures in Mid-Air
From ACM TechNews

Acoustic Levitation Used to Build Complex Structures in Mid-Air

A new system incorporates a robotic arm that generates sound waves to levitate and move objects to build complex structures in mid-air without touching the parts...
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