Friday, October 15, 2021

An Old Model Could Crack the Mystery of Deep Learning

Math and Science News from Quanta Magazine
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NEURAL NETWORKS | ALL TOPICS

 

A New Link to an Old Model Could Crack the Mystery of Deep Learning

By ANIL ANANTHASWAMY

To help them explain the shocking success of deep neural networks, researchers are turning to older but better-understood models of machine learning.

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NEUROSCIENCE

 

How Animals Map 3D Spaces Surprises Brain Researchers

By JORDANA CEPELEWICZ

When animals move through 3D spaces, the neat system of grid cell activity they use for navigating on flat surfaces gets more disorderly. That has implications for some ideas about memory and other processes.

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Related: 
The Brain Maps Out Ideas
and Memories Like Spaces

by Jordana Cepelewicz (2019)

APPLIED MATH

 

How Wavelets Allow Researchers to Transform, and Understand, Data

By ALEXANDER HELLEMANS

Built upon the ubiquitous Fourier transform, the mathematical tools known as wavelets allow unprecedented analysis and understanding of continuous signals.

Read the explainer

Related: 
Yves Meyer, Wavelet Expert,
Wins Abel Prize

by Natalie Wolchover (2017)

Q&A

 

The Astronomer Who's About to See the Skies of Other Earths

Interview by THOMAS LEWTON;
Video by EMILY BUDER

After the ultra-powerful James Webb Space Telescope launches later this year, Laura Kreidberg will lead two efforts to check the weather on rocky planets orbiting other stars.

Read the interview

Watch the video


Related: 
Exoplanet Puzzle Cracked
by Jazz Musicians

by Joshua Sokol (2017)

QUANTA SCIENCE PODCAST

 

Eternal Change for No Energy: A Time Crystal Finally Made Real

Podcast hosted by SUSAN VALOT;
Story by NATALIE WOLCHOVER

Like a perpetual motion machine, a time crystal forever cycles between states without consuming energy. Physicists claim to have built this new phase of matter inside a quantum computer.

Listen to the podcast

Read the article


Related: 
What Makes Quantum Computing
So Hard to Explain?

by Scott Aaronson

Around the Web

Crocodiles Are Enduringly Nosey
Crocodiles have repeatedly evolved the same snout over the eons. Today's crocodile is a "revival of one of evolution's greatest hits," Riley Black writes for Smithsonian Magazine. Nature often reinvents the wheel: Researchers studying the strange neural system of comb jellies have even wondered whether neurons evolved more than once, as Emily Singer reported for Quanta in 2015.

Our Machines, Our Learning
A handful of researchers, including one artist, told Nature how artificial intelligence has helped them accelerate scientific research. Scientists are increasingly turning to artificial intelligence algorithms to find patterns in datasets too massive to comprehend, as Dan Falk reported for Quanta in 2019. 
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