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computer science

Latest Articles

machine learning

Chatbots Don’t Know What Stuff Isn’t

By Max G. Levy
May 12, 2023
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Today’s language models are more sophisticated than ever, but they still struggle with the concept of negation. That’s unlikely to change anytime soon.

algorithms

The Most Important Machine That Was Never Built

By Sheon Han
May 3, 2023
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When he invented Turing machines in 1936, Alan Turing also invented modern computing.

Q&A

The Computer Scientist Peering Inside AI’s Black Boxes

By Allison Parshall
April 27, 2023
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Cynthia Rudin wants machine learning models, responsible for increasingly important decisions, to show their work.

combinatorics

The Number 15 Describes the Secret Limit of an Infinite Grid

By Kevin Hartnett
April 20, 2023
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The “packing coloring” problem asks how many numbers are needed to fill an infinite grid so that identical numbers never get too close to one another. A new computer-assisted proof finds a surprisingly straightforward answer.

machine learning

A New Approach to Computation Reimagines Artificial Intelligence

By Anil Ananthaswamy
April 13, 2023
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By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly — and efficiently — than before.

algorithms

How Randomness Improves Algorithms

By Ben Brubaker
April 3, 2023
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Unpredictability can help computer scientists solve otherwise intractable problems.

Turing Award

Bob Metcalfe, Ethernet Pioneer, Wins Turing Award

By Ben Brubaker
March 22, 2023
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The American researcher was recognized for his central role in inventing, standardizing and commercializing the ubiquitous networking technology.

An illustration of a sequence that avoid arithmetic progression, shown as a blue staircase jumping among numbers from one to forty.
combinatorics

Surprise Computer Science Proof Stuns Mathematicians

By Leila Sloman
March 21, 2023
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For decades, mathematicians have been inching forward on a problem about which sets contain evenly spaced patterns of three numbers. Last month, two computer scientists blew past all of those results.

artificial intelligence

The Unpredictable Abilities Emerging From Large AI Models

By Stephen Ornes
March 16, 2023
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Large language models like ChatGPT are now big enough that they’ve started to display startling, unpredictable behaviors.


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