Communications of the ACM
Boosting Photodiode Efficiency to 220%
Researchers at the Netherlands' Eindhoven University of Technology are chasing quantum efficiency.
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.
From ACM News
New Surveillance Technology Can Track Everyone in an Area for Several Hours at a Time
Shooter and victim were just a pair of pixels, dark specks on a gray streetscape.
From ACM News
One Day an Elevator Might Ask—are You Getting On?
Microsoft researchers have enabled elevators in a company building to detect the likelihood that a person walking by will want to board it.
From ACM Opinion
Confused About the Nsa's Quantum Computing Project? This MIT Computer Scientist Can Explain.
My Washington Post colleagues have reported on a National Security Agency program to to build a quantum computer.
From ACM News
Dogecoins and Litecoins and Peercoins Oh My: What You Need to Know About Bitcoin Alternatives
By now, most people have heard of Bitcoin, the peer-to-peer currency whose value has soared over the past couple of years.
From ACM Opinion
Edward Snowden, After Months of Nsa Rvelations, Says His Mission's Accomplished
The familiar voice on the hotel room phone did not waste words.
From ACM TechNews
Judge: Nsa’s Collecting of Phone Records Is Probably Unconstitutional
A district court judge has ruled the U.S. National Security Agency's daily collection of virtually all Americans' phone records is almost certainly unconstitutional...
From ACM TechNews
By Cracking Cellphone Code, Nsa Has Capacity For Decoding Private Conversations
The U.S. National Security Agency is able to crack the A5/1 encryption technology used on most cellphones worldwide.
From ACM TechNews
Nsa ses Google Cookies to Pinpoint Targets For Hacking
Documents released by former U.S. National Security Agency contractor Edward Snowden indicate the agency uses Internet cookies to hack indivuals' computers.
From ACM News
Fbi's Search For 'mo,' Suspect in Bomb Threats, Highlights se of Malware For Surveillance
The man who called himself "Mo" had dark hair, a foreign accent and—if the pictures he emailed to federal investigators could be believed—an Iranian military uniform...
From ACM News
When Bitcoins Go Bad: 4 Stories of Fraud, Hacking, and Digital Currencies
With Bitcoin interest (and prices) spiking, you might be considering investing in your own little cache of digital currency.
From ACM News
Google Books Ruling Is a Huge Victory For Online Innovation
It's taken almost a decade, but the courts have finally handed down a ruling on Google's audacious project to scan millions of books to build a book search engine...
From ACM Opinion
Here's What the Morris Worm Prosecutor Thinks About Aaron Swartz
It was 25 years ago Tuesday that The New York Times first named 23-year-old Cornell graduate student Robert Morris as the culprit behind what became known as the...
From ACM Careers
How a Grad Student Trying to Build the First Botnet Brought the Internet to Its Knees
On November 3, 1988, 25 years ago Sunday, people woke up to find the Internet had changed forever.
From ACM News
NSA Infiltrates Links to Yahoo, Google Data Centers Worldwide, Snowden Documents Say
The National Security Agency has secretly broken into the main communications links that connect Yahoo and Google data centers around the world, according to documents...
From ACM News
Who Tracks the Trackers that Track You Online? You Can, with Lightbeam.
When your browser landed on this article, it didn't just talk to the friendly servers at washingtonpost.com.
From ACM TechNews
NSA Collects Millions of Email Address Books Globally
The U.S. National Security Agency harvests hundreds of millions of contact lists from personal email and instant messaging accounts worldwide.
From ACM News
Here's Everything You Should Know About Nsa Address Book Spying in One Faq
A new report from The Washington Post, based on documents provided by whistleblower Edward Snowden, reveals that the National Security Agency is collecting hundreds...
From ACM TechNews
Teens Hone Their Hacking Skills in National Competitions Guided By Federal Officials
Federal officials are guiding national cybercontests aimed at helping tech-savvy teenagers prepare for careers in protecting the government and private companies...
From ACM Opinion
Nsa Chief Defends Collecting Americans' Data
The head of the National Security Agency delivered a vigorous defense Wednesday of his agency's collection of Americans' phone records for counterterrorism purposes...
From ACM News