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Communications of the ACM

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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.


Introducing the Light-Operated Hard Drives of Tomorrow
From ACM TechNews

Introducing the Light-Operated Hard Drives of Tomorrow

Researchers at the Swiss Federal Institute of Technology, Lausanne created a proof of concept platform for hard drives that will be smaller, faster, and more energy...

Small Robots Could Help Look After Salmon Without Stressing Them Out
From ACM TechNews

Small Robots Could Help Look After Salmon Without Stressing Them Out

Salmon seem to prefer small robots to larger ones, a discovery that could help guide how fish farms are automated.

How Secure Are Four, Six-Digit Mobile Phone PINs?
From ACM TechNews

How Secure Are Four, Six-Digit Mobile Phone PINs?

Information technology security experts assessing personal identification numbers codes for securing smartphones found six-digit PINs offer little more security...

Modern RAM Still Vulnerable to Rowhammer Attacks
From ACM TechNews

Modern RAM Still Vulnerable to Rowhammer Attacks

Extensive mitigations deployed during the last six years have failed to eliminate modern random-access memory (RAM) cards' vulnerability to Rowhammer exploits. ...

Showing Robots How to Do Your Chores
From ACM TechNews

Showing Robots How to Do Your Chores

A new system allows robots to learn complicated tasks that would normally confuse them with too many complicated rules.

3D-Printed Homes: A Concept is Turning Into Something Solid
From ACM TechNews

3D-Printed Homes: A Concept is Turning Into Something Solid

New three-dimensionally (3D)-printed homes are taking shape at the Community First Village affordable housing development in Austin, TX.

This Robot Taught Itself to Walk Entirely on Its Own
From ACM TechNews

This Robot Taught Itself to Walk Entirely on Its Own

Researchers at Google have developed a four-legged robot that learned to walk completely on its own in just a few hours. 

Optical System Could Lead to Devices That Can Recognize Objects Instantly
From ACM TechNews

Optical System Could Lead to Devices That Can Recognize Objects Instantly

An optical neural network concurrently works with multiple wavelengths of light.

Chips that pass in the night: How risky is RISC-V to Arm, Intel and the others? Very
From ACM News

Chips that pass in the night: How risky is RISC-V to Arm, Intel and the others? Very

A decade on, expanding open ecosystem highlights limits of monolithic approach to CPU design.

Integrating Electronics Onto Physical Prototypes
From ACM TechNews

Integrating Electronics Onto Physical Prototypes

MIT researchers directly integrated three-dimensionally (3D)-printed platforms onto physical products. 

Robotic Arm Designed in China Could Help Save Lives on Medical Frontline
From ACM TechNews

Robotic Arm Designed in China Could Help Save Lives on Medical Frontline

Researchers in China have developed a robot that can perform ultrasounds, take mouth swabs, and listen to sounds made by a patient's organs. 

Robots Autonomously Navigate Underground in DARPA Challenge
From ACM TechNews

Robots Autonomously Navigate Underground in DARPA Challenge

The U.S. Defense Advanced Research Projects Agency's Subterranean Challenge recently concluded its Urban Circuit, with a team of robots and operators from NASA's...

Honeywell to Roll Out Quantum Computer
From ACM TechNews

Honeywell to Roll Out Quantum Computer

Honeywell will introduce an early-stage quantum computer for commercial experiments within about three months.

NOAA to Triple Supercomputing Capacity in Bid to Dramatically Improve Forecast Accuracy
From ACM TechNews

NOAA to Triple Supercomputing Capacity in Bid to Dramatically Improve Forecast Accuracy

The U.S. National Oceanic and Atmospheric Administration has contracted for two new supercomputers, which would triple the organization's computing capacity.

This Clever Robotic Finger Feels With Light
From ACM TechNews

This Clever Robotic Finger Feels With Light

A new robotic skeleton is embedded with 32 photodiodes and 30 adjacent LEDs, and is covered by a squishy skin of reflective silicone that keeps the device's own...

The Tentacle Bot
From ACM TechNews

The Tentacle Bot

Researchers have engineered an octopus-inspired soft robotic arm that grasps, moves, and manipulates objects of all shapes, sizes, and textures.

Machine Learning Method From Stanford, with Toyota Researchers, Could Supercharge Battery Development for Electric Vehicles
From ACM TechNews

Machine Learning Method From Stanford, with Toyota Researchers, Could Supercharge Battery Development for Electric Vehicles

Researchers have developed a machine learning technique that reduces battery testing times by 98%—a step toward longer-lasting, faster-charging batteries for electric...

Physiotherapy Could be Done at Home Using VR
From ACM TechNews

Physiotherapy Could be Done at Home Using VR

Researchers combined virtual reality with three-dimensional motion-capture technology to help patients perform physiotherapy exercises at home.

Employers Adding High-Tech Solutions to Solve Low-Tech Problem: Getting More Sleep
From ACM TechNews

Employers Adding High-Tech Solutions to Solve Low-Tech Problem: Getting More Sleep

Employers are providing workers with high-tech tools to help them get more sleep, in the hope of improving productivity and reducing healthcare costs.

Datacenters Use Less Energy Than You Think
From ACM TechNews

Datacenters Use Less Energy Than You Think

Researchers have determined that global datacenter energy consumption remained relatively flat across the last decade.
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