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Communications of the ACM

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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

July 2019


From Daniel Lemire's Blog

Science and Technology links (July 13th 2019)

Science and Technology links (July 13th 2019)

Drinking juice increases your risk of having cancer. College completion rates are increasing and this may have to do with lower standards. Australia is going to try a flu vaccine that was partially designed with help from anContinue…


From The Eponymous Pickle

Quantum Computing and Chemical Industry

Quantum Computing and Chemical Industry

Was unaware of this particular connection.  Description below.  Improved Modeling.

The next big thing? Quantum computing’s potential impact on chemicals
The chemical industry is poised to be an early beneficiary of the vastly expanded…


From The Eponymous Pickle

Storing Data in Music

Storing Data in Music

Intriguing idea, in theory not that hard.   Why might it be used?  A kind of Steganography?

Storing Data in Music 
ETH Zurich
By Fabio Bergamin

Researchers at ETH Zurich in Switzerland have developed a method for embedding data in…


From The Eponymous Pickle

Amazon Wants a Rolling Home Assistant

Amazon Wants a Rolling Home Assistant

Have now seen a number of rolling smart home assistants fail,  will this take it forward by using the Alexa infrastructure?

Amazon continues work on mobile home robot as it preps new high-end Echo, says report
Prototypes for the…


From Schneier on Security

Friday Squid Blogging: When the Octopus and Squid Lost Their Shells

Friday Squid Blogging: When the Octopus and Squid Lost Their Shells

Cephalopod ancestors once had shells. When did they lose them? With the molecular clock technique, which allowed him to use DNA to map out the evolutionary history of the cephalopods, he found that today's cuttlefish, squids…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

It’s Really About the Teacher

It’s Really About the Teacher

CSTA 2019 gave me a lot to think about. Today I was thinking about what was impressive and I thought about the Tuesday lunch panel. Microsoft brought a panel of high school students to talk about how computer science education…


From Schneier on Security

Clickable Endnotes to Click Here to Kill Everybody

Clickable Endnotes to Click Here to Kill Everybody

In Click Here to Kill Everybody, I promised clickable endnotes. They're finally available....


From The Eponymous Pickle

Humanoid Sign Language

Humanoid Sign Language

Robotic Sign Language

A robotic hand making a gesture in sign language. UC3M Programs a Humanoid Robot to Communicate in Sign Language 
Carlos III University of Madrid (Spain)
July 8, 2019

The_UC3M_programmes_a_humanoid_robot_to_communicate_in_sign_language…


From insideHPC

NVIDIA DGX-Ready Program Goes Global

NVIDIA DGX-Ready Program Goes Global

Deploying AI at scale can be an extreme challenge for data centers. To ease the process, NVIDIA has expanded its DGX-Ready Data Center Program to 19 validated partners around the world. "DGX-Ready Data Center partners help companies…


From insideHPC

John Shalf from LBNL on Computing Challenges Beyond Moore’s Law

John Shalf from LBNL on Computing Challenges Beyond Moore’s Law

In this special guest feature from Scientific Computing World, Robert Roe interviews John Shalf from LBNL on the development of digital computing in the post Moore’s law era. "In his keynote speech at the ISC conference in Frankfurt…


From insideHPC

Podcast: Tackling Massive Scientific Challenges with AI/HPC Convergence

Podcast: Tackling Massive Scientific Challenges with AI/HPC Convergence

In this Chip Chat podcast, Brandon Draeger from Cray describes the unique needs of HPC customers and how new Intel technologies in Cray systems are helping to deliver improved performance and scalability. "More and more, we are…


From insideHPC

Time to Value: Storage Performance in the Epoch of AI

Time to Value: Storage Performance in the Epoch of AI

Sven Oehme gave this talk at the DDN User Group meeting at ISC 2019. "New AI and ML frameworks, advances in computational power (primarily driven by GPU’s), and sophisticated, maturing use-cases are demanding more from the storage…


From The Eponymous Pickle

Conversation on Future of US Manufacturing

Conversation on Future of US Manufacturing

Podcast and transcript from [email protected] in a realm of advanced automation and robotics.

How the U.S. Can Regain Its Manufacturing Edge

BCG's Justin Rose discusses what the U.S. can do to regain its manufacturing edge.

Manufacturing in the…


From The Eponymous Pickle

Microsoft Teams Surges Ahead of Slack

Microsoft Teams Surges Ahead of Slack

Microsoft shows the numbers, somewhat unexpectedly.  Have used Teams since its rollout.  A quite fast pickup.   Its well done for basic chat and beyond.  Probably because its integrated with the commonly installed Office.

Microsoft…


From Gödel's Lost Letter and P=NP

Tools and Sensitivity

Cutting right through a 30-year-old conjecture Cropped from Emory homepage Hao Huang is a mathematician and computer scientist at Emory University. Last week he released a paper of only six pages that solves the Boolean Sensitivity…


From Schneier on Security

Presidential Candidate Andrew Yang Has Quantum Encryption Policy

Presidential Candidate Andrew Yang Has Quantum Encryption Policy

At least one presidential candidate has a policy about quantum computing and encryption. It has two basic planks. One: fund quantum-resistant encryption standards. (Note: NIST is already doing this.) Two, fund quantum computing…


From The Eponymous Pickle

IOTA and Mobility

IOTA and Mobility

A further look at uses of IOTA in Automotive Industry

IOTA in the mobility sector: a complete rundown
in IOTAarchive

The days of assembling “dumb” parts into something that moves are (nearly) over. Vehicle sales for personal ownership…


From The Eponymous Pickle

Shopping Malls and Face Recognition

Shopping Malls and Face Recognition

Not unexpected,  how will shoppers react?   Will the use be clearly posted?   There are already lots of security cameras.  We did lots of work tracking traffic in stores, and tested technical methods.  Many malls used the same…


From The Eponymous Pickle

Journalism AI

Journalism AI

Interesting to see what Google believes to be journalism.  Most importantly,  what are the goals of the idea?  Truth or readership?   Another example where behavior of consumers, as it relates to some goals,  needs to be better…


From insideHPC

HPC4Energy Innovation Program Funds Manufacturing Research

HPC4Energy Innovation Program Funds Manufacturing Research

Today the High Performance Computing for Energy Innovation program (HPC4EI) announced the nine public/private projects awarded more than $2 million from the DOE, with aims of improving energy production, enhancing or developing…


From Computational Complexity

Degree and Sensitivity

Hao Huang's proof of the sensitivity conjecture that I posted on last week relied on a 1992 result of Gotsman and Linial. Let's talk about that result.



Consider the set S={-1,1}n. The hypercube of dimension n is the graph with…


From insideHPC

NERSC Computer Scientist wins First Corones Award

NERSC Computer Scientist wins First Corones Award

Today the Krell Institute announced that Rebecca Hartman-Baker, a computer scientist at the Department of Energy’s (DOE’s) National Energy Research Scientific Computing Center (NERSC), is the inaugural recipient of the James …


From insideHPC

Podcast: ExaScale is a 4-way Competition

Podcast: ExaScale is a 4-way Competition

In this podcast, the RadioFree team discusses the 4-way competition for Exascale computing between the US, China, Japan, and Europe. "The European effort is targeting 2 pre-exa installation in the coming months, and 2 actual …


From The Eponymous Pickle

Machine Learning Interpretability: Free eBook

Machine Learning Interpretability:  Free eBook

Its the ultimate need for any problem solving method, interpreting the results you get from complex methods.

Just scanned this new O'Reilly eBook.  30+ pages, nicely done, includes links and technical details.  But could still…


From insideHPC

Video: Verne Global joins NVIDIA DGX-Ready Program as HPC & AI Colocation Partner

Video: Verne Global joins NVIDIA DGX-Ready Program as HPC & AI Colocation Partner

In this video, Bob Fletcher from Verne Global describes advantages the HPC cloud provider offers through the NVIDIA DGX Ready Data Center program. "Enterprises and research organizations seeking to leverage the NVIDIA DGX-2 System…


From Daniel Lemire's Blog

Parsing JSON quickly on tiny chips (ARM Cortex-A72 edition)

Parsing JSON quickly on tiny chips (ARM Cortex-A72 edition)

I own an inexpensive card-size ROCKPro64 computer ($60). It has a ARM Cortex-A72 processors, the same processors you find in the recently released Raspberry Pi 4. These are processors similar to those you find in your smartphone…


From insideHPC

Achieving Parallelism in Intel Distribution for Python with Numba

Achieving Parallelism in Intel Distribution for Python with Numba

parallelismThe rapid growth in popularity of Python as a programming language for mathematics, science, and engineering applications has been amazing. Not only is it easy to learn, but there is a vast treasure of packaged open source libraries…


From insideHPC

Rigetti Computing acquires QxBranch for Quantum-powered Analytics

Rigetti Computing acquires QxBranch for Quantum-powered Analytics

Today Rigetti Computing announced it has acquired QxBranch, a quantum computing and data analytics software startup. "Our mission is to deliver the power of quantum computing to our customers and help them solve difficult and…


From The Eponymous Pickle

Integrating Metadata

Integrating Metadata

In the latest ACM, interesting piece on transferring data.   And notable about mentioning the metadata ultimately involved ....

Extract, Shoehorn, and Load  By Pat Helland
Communications of the ACM, July 2019, Vol. 62 No. 7, Pages…


From Schneier on Security

Resetting Your GE Smart Light Bulb

Resetting Your GE Smart Light Bulb

If you need to reset the software in your GE smart light bulb -- firmware version 2.8 or later -- just follow these easy instructions: Start with your bulb off for at least 5 seconds. Turn on for 8 seconds Turn off for 2 seconds…