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explainers

Latest Articles

A cube full of colorful shapes is connected to a smaller cube stuffed with the same shapes.
information theory

Data Compression Drives the Internet. Here’s How It Works.

By Elliot Lichtman
May 31, 2023
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One student’s desire to get out of a final exam led to the ubiquitous algorithm that shrinks data without sacrificing information.

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.

algorithms

How Randomness Improves Algorithms

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

Quantized Columns

The Colorful Problem That Has Long Frustrated Mathematicians

By David S. Richeson
March 29, 2023
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The four-color problem is simple to explain, but its complex proof continues to be both celebrated and despised.

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.

bird's eye view of an illustrated red ant against a leafy background with golden fungal spores coming up out of its brain
Quantized Columns

Can Our Brains Be Taken Over?

By Tara C. Smith
February 23, 2023
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Several real-life pathogens can change a host’s behavior against their will. Here’s what we know about these zombie-like infections.

a worm superimposed with lines and nodes representing neural networks
neural networks

Researchers Discover a More Flexible Approach to Machine Learning

By Steve Nadis
February 7, 2023
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“Liquid” neural nets, based on a worm’s nervous system, can transform their underlying algorithms on the fly, giving them unprecedented speed and adaptability.

Illustration in which a bright red line results from many wavelike ripples overlapping.
explainers

How Our Reality May Be a Sum of All Possible Realities

By Charlie Wood
February 6, 2023
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Richard Feynman’s path integral is both a powerful prediction machine and a philosophy about how the world is. But physicists are still struggling to figure out how to use it, and what it means.

a light blue cloudy swirl against a black background (evoking ink diffusing through a liquid). The blue cloud is overlaid with a network of yellow lines and circular nodes.
machine learning

The Physics Principle That Inspired Modern AI Art

By Anil Ananthaswamy
January 5, 2023
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Diffusion models generate incredible images by learning to reverse the process that, among other things, causes ink to spread through water.


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