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datePast Year
subjectComputer Systems
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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.


IBM's 'Condor' Quantum Computer Has More Than 1,000 Qubits
From ACM News

IBM's 'Condor' Quantum Computer Has More Than 1,000 Qubits

IBM has revealed two quantum computers. One is the second-largest ever made, and the other produces fewer errors than any quantum computer the company has built...

Datacenters Could Work as Well with Less Cooling
From ACM TechNews

Datacenters Could Work as Well with Less Cooling

Researchers found running datacenters at higher temperatures could reduce their energy consumption significantly while maintaining computational performance.

Cyborg Cockroach Can Navigate a Maze
From ACM TechNews

Cyborg Cockroach Can Navigate a Maze

Researchers have developed a method of creating cyborg cockroaches for use in search-and-rescue missions or building inspections that does not injure them.

Mathematicians Find 12,000 Solutions for Three-Body Problem
From ACM TechNews

Mathematicians Find 12,000 Solutions for Three-Body Problem

Mathematicians have identified 12,392 new stable orbital arrangements for three objects as allowed by Isaac Newton's laws of motion, also known as the three-body...

From Time Crystals to Wormholes: When Is a Quantum Simulation Real?
From ACM News

From Time Crystals to Wormholes: When Is a Quantum Simulation Real?

Physicists are using quantum computers to conjure exotic phenomena and claiming their creations are truly real.

Quantum Twist on Common Computer Algorithm Promises Speed Boost
From ACM TechNews

Quantum Twist on Common Computer Algorithm Promises Speed Boost

Scientists have demonstrated that a quantum version of the popular Monte Carlo algorithm could eventually overtake versions running on classical computers.

Microsoft Says Its Weird New Particle Could Improve Quantum Computers
From ACM News

Microsoft Says Its Weird New Particle Could Improve Quantum Computers

Researchers at Microsoft say they have created elusive quasiparticles called Majorana zero modes–but scientists outside the company are skeptical.

Robotic Dog Spots Invasive Fire Ant Nests Better Than Humans
From ACM TechNews

Robotic Dog Spots Invasive Fire Ant Nests Better Than Humans

Scientists in China and Brazil are testing robotic dogs and artificial intelligence (AI) to detect invasive fire ant nests.

The Unique Promise of 'Biological Computers'
From ACM TechNews

The Unique Promise of 'Biological Computers'

Scientists envision biological computers as technology that could help researchers meet challenges in previously inaccessible domains.

Sound-Based Quantum Computers Could Be Built Using Chip-Sized Device
From ACM TechNews

Sound-Based Quantum Computers Could Be Built Using Chip-Sized Device

University of Chicago researchers have confirmed the feasibility of building sound-based quantum computers.

DeepMind AI's New Way to Sort Objects Could Speed up Global Computing
From ACM News

DeepMind AI's New Way to Sort Objects Could Speed up Global Computing

Sorting algorithms are basic functions used constantly by computers around the world, so an improved one could make millions of programs run faster.

Pneumatic Computer Uses Pressure Instead of Electricity
From ACM TechNews

Pneumatic Computer Uses Pressure Instead of Electricity

Elliot Hui and colleagues at the University of California, Irvine, built a computer from glass and silicone that encodes data using pneumatic pressure instead of...

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...
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