Quanta’s Most Popular Math Stories of 2021

Math and Science News from Quanta Magazine View this email in your browser FOUNDATIONS OF MATHEMATICS | ALL TOPICS   How Many Numbers Exist? Infinity Proof Moves Math Closer to an Answer. By NATALIE WOLCHOVER For 50 years, mathematicians have believed that the total number of real numbers is unknowable. A new proof suggests otherwise. Read the article MATH MEETS QFT   The Mystery at the Heart of Physics That Only Math Can Solve By KEVIN HARTNETT The accelerating effort to understand the mathematics of quantum field theory will have profound consequences for both math and physics. Read the article MATH MEETS QFT   Mathematicians Prove 2D Version of Quantum Gravity Really Works By CHARLIE WOOD In three towering papers, a team of mathematicians has worked out the details of Liouville quantum field theory, a two-dimensional model of quantum gravity. Read the article   COMBINATORICS   Mathematician Answers Chess Problem About Attacking Queens By LEILA SLOMAN The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other. A mathematician has now all but solved it. Read the blog LANGLANDS PROGRAM   New Shape Opens 'Wormhole' Between Numbers and Geometry.. By KEVIN HARTNETT Laurent Fargues and Peter Scholze have found a new, more powerful way of connecting number theory and geometry as part of the sweeping Langlands program. Read the article Follow Quanta Simons Foundation 160 5th Avenue, 7th Floor New York, NY 10010 Unsubscribe | About Quanta Privacy Policy | Terms | Contact Us   Copyright © 2021 Quanta Magazine, an editorially independent division of the Simons Foundation

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Remembering MESSENGER’s Mission to Mercury, 10 Years Later

12/31/2021

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NEWS & FEATURES

NASA/JOSHUA STEVENS Take a tour of the solar system’s planets With thousands of exotic exoplanets known, the worlds of our solar system may seem rather dull. Trust us, they’re not. READ MORE SPONSORED BY: TRAVEL QUEST Experience Iceland’s northern lights with TravelQuest! In September 2022, TravelQuest will embark upon a unique, 10-day Iceland: Fire, Ice & Aurora adventure through the seldom-visited Great North region. Experience the aurora borealis, just steps from your picturesque countryside accommodations! Add to that whale watching, lava fields, waterfalls and more - The trip of a lifetime awaits you!

Tony Hallas Capture the sky with Stellarvue’s SVX 102T This scope is perfect for astrophotographers and visual observers alike. READ MORE

NASA/Johns Hopkins APL/Steve Gribben Astro for kids: Have we made an object that can travel at 1% the speed of light? While 1 percent of anything doesn’t sound like much, with light, that’s still really fast – close to 7 million miles per hour! READ MORE

University of Warwick/Mark Garlick Spinning star slingshots plasma at 7 million miles per hour The fastest-spinning white dwarf on record completes a full rotation in 25 seconds. READ MORE

Astronomy: Roen Kelly Ask Astro: If time stops for an object falling into a black hole, how can LIGO see black holes colliding? I’ve always understood that, according to general relativity, a distant observer of someone who falls into a black hole would see them slow down, then come to a virtual stop at the event horizon and become “smeared.” So how is it that LIGO can record two black holes combining in milliseconds? READ MORE

PICTURE OF THE DAY

Fernando Menezes from Munhoz, Brazil Future stars The Lagoon Nebula, also known as Messier 8, is a huge emission nebula in the constellation Sagittarius the Archer. Eventually, several thousand stars will form from the gas in this region. VIEW NOW

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