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- Feed Preview Mathematical Moments from the American Mathematical Society

Fumie Tazaki talks about creating the first image of a black hole and its shadow, which relied on Fourier transforms. About the work to make the image, she says, "Our collaboration has 200 member...

http://www.ams.org/publicoutreach/mathmoments/mm148-black-hole-photo-podcast

Hany Farid talks about fighting fake videos: "Mathematically, there's a lot of linear algebra, multivariate calculus, probability and statistics, and then a lot of techniques from pattern recogni...

http://www.ams.org/publicoutreach/mathmoments/mm146-deepfakes-podcast

Rob Schneiderman talks about the metaphorical connections between math and music

http://www.ams.org/publicoutreach/mathmoments/mm145-making-beautiful-mathematics-podcast

Steven Strogatz and Mary Bushman talk about math's role in controlling HIV and understanding malaria, respectively. Mary Bushman says, "It's really cool to try and use math to nail down some ques...

http://www.ams.org/publicoutreach/mathmoments/mm144-hiv-and-malaria-podcast

Steven Strogatz and Mary Bushman talk about math's role in controlling HIV and understanding malaria, respectively. Mary Bushman says, "It's really cool to try and use math to nail down some ques...

http://www.ams.org/publicoutreach/mathmoments/mm144-hiv-and-malaria-podcast

Tom Patterson and Bojan Savric discuss the Equal Earth projection map that they created with Bernhard Jenny.

Researcher: Jordan Hashemi, Duke University Description: Jordan Hashemi talks about an easy-to-use app to screen for autism.

Researchers: Vikash V. Gayah and S. Ilgin Guler, Pennsylvania State University Description: Gayah and Guler talk about mitigating the clustering of buses on a route.

Researcher: Christine Darden, NASA (retired) Description: Christine Darden on working at NASA.

Researchers: Christopher Brinton, Zoomi, Inc. and Princeton University, and Mung Chiang, Purdue University Moment: http://www.ams.org/samplings/mathmoments/mm139-netflix.pdf Description: Christop...

http://www.ams.org/samplings/mathmoments/mm139-netflix-podcast

Researcher: Derek Moulton, University of Oxford Moment: http://www.ams.org/samplings/mathmoments/mm138-shells.pdf Description: Derek Moulton explains the math behind the shapes of seashells.

http://www.ams.org/samplings/mathmoments/mm138-shells-podcast

Researcher: Stefan Siegmund, TU-Dresden Moment: http://www.ams.org/samplings/mathmoments/mm137-hurricane.pdf Description: Stefan Siegmund talks about his an invention to protect homes during hurr...

http://www.ams.org/samplings/mathmoments/mm137-hurricane-podcast

Researcher: Andy Andres, Boston University Moment: http://www.ams.org/samplings/mathmoments/mm136-baseball.pdf Andy Andres on baseball analytics.

http://www.ams.org/samplings/mathmoments/mm136-baseball-podcast

Researcher: Michel C. Molinkovitch, University of Geneva Description: Michel C. Milinkovitch used math, physics, and biology for an amazing discovery about the patterns on a lizard's skin.

http://www.ams.org/samplings/mathmoments/mm131-spots-podcast

Researcher: Michel C. Molinkovitch, University of Geneva Description: Michel C. Milinkovitch used math, physics, and biology for an amazing discovery about the patterns on a lizard's skin.

http://www.ams.org/samplings/mathmoments/mm131-spots-podcast

Researcher: Konstantin Batygin, Caltech Description: Konstantin Batygin talks about using math to investigate the existence of Planet Nine.

http://www.ams.org/samplings/mathmoments/mm130-exoplanets-podcast

Researcher: Jim Papadopoulos, Northeastern University Description: Jim Papadopoulos talks about his years of research analyzing bicycles.

http://www.ams.org/samplings/mathmoments/mm129-bicycles-podcast

Researchers: Eleanor Jenkins, Clemson University and Kathleen (Fowler) Kavanagh, Clarkson University. Lea Jenkins and Katie Kavanagh talk about their work making farming more efficient while usin...

http://www.ams.org/samplings/mathmoments/mm128-farming-podcast

Researcher: Daniel Rothman, MIT. Dan Rothman talks about how math helped understand a mass extinction.

http://www.ams.org/samplings/mathmoments/mm127-tipping-point-podcast

Researcher: Daniel Rothman, MIT. Dan Rothman talks about how math helped understand a mass extinction.

http://www.ams.org/samplings/mathmoments/mm127-tipping-point-podcast

Researcher: Hamsa Balakrishnan, MIT. Hamsa Balakrishnan talks about her work to shorten airport runway queues.

http://www.ams.org/samplings/mathmoments/mm124-runway-queues-podcast

Researcher: Annalisa Crannell, Franklin & Marshall College. Annalisa Crannell on perspective in art.

http://www.ams.org/samplings/mathmoments/mm125-perspective-podcast

Researcher: John A. Adam, Old Dominion University. John A. Adam explains the math and physics behind rainbows.

http://www.ams.org/samplings/mathmoments/mm126-rainbows-podcast

Researchers: Eleanor Jenkins, Clemson University, and Katie Kavanagh, Clarkson University. Eleanor Jenkins and Katie Kavanagh talk about their interdisciplinary team's work helping farmers.

http://www.ams.org/samplings/mathmoments/mm128-farming-podcast

Researcher: Andrew Beveridge, Macalester College Moment Title: Dis-playing the Game of Thrones Description: Andrew Beveridge uses math to analyze Game of Thrones.

http://www.ams.org/samplings/mathmoments/mm123-thrones-podcast

Researcher: Andrew Beveridge, Macalester College Moment Title: Dis-playing the Game of Thrones Description: Andrew Beveridge uses math to analyze Game of Thrones.

http://www.ams.org/samplings/mathmoments/mm123-thrones-podcast

Researcher: Thomas Snitch, University of Maryland Description: Thomas Snitch talks about nabbing poachers with math. Audio files: podcast-mom-poaching-1.mp3 and podcast-mom-poaching-2.mp3

Researcher: Thomas Snitch, University of Maryland Description: Thomas Snitch talks about nabbing poachers with math. Audio files: podcast-mom-poaching-1.mp3 and podcast-mom-poaching-2.mp3

Researcher: Cristina Stoica, Wilfrid Laurier University Description: Cristina Stoica talks about celestial mechanics.

http://www.ams.org/samplings/mathmoments/mm115-solar-system-podcast

Researcher: Cristina Stoica, Wilfrid Laurier University Description: Cristina Stoica talks about celestial mechanics.

http://www.ams.org/samplings/mathmoments/mm115-solar-system-podcast

Researcher: Jackson Cothren, University of Arkansas Moment Title: Scanning Ancient Sites Description: Jackson Cothren talks about creating three-dimensional scans of ancient sites.

http://www.ams.org/samplings/mathmoments/mm116-archaeological-scanning-podcast

Researcher: Wesley Pegden, Carnegie Mellon University Moment Title: Piling On and on and on! Description: Wesley Pegden talks about simulating sandpiles

http://www.ams.org/samplings/mathmoments/mm117-sandpiles-podcast

Researcher: Norbert Stoop, MIT Title: Adding a New Wrinkle Description: Norbert Stoop talks about new research on the formation of wrinkles.

http://www.ams.org/samplings/mathmoments/mm118-wrinkles-podcast

Researcher: Sidney Redner, Santa Fe Institute Moment: Moment Title: Holding the Lead Description: Sidney Redner talks about how random walks relate to leads in basketball.

http://www.ams.org/samplings/mathmoments/mm120-lead-change-podcast

Researcher: Meredith Greer, Bates College. Going Over the Top Description: Meredith Greer talks about math and roller coasters.

http://www.ams.org/mathmoments/mm114-roller-coasters-podcast

Researcher: Christopher Butson, Scientific Computing and Imaging Institute, University of Utah. Christopher Butson talks about work he's done to help treat Parkinson's disease.

Researcher: Christopher Butson, Scientific Computing and Imaging Institute, University of Utah. Christopher Butson talks about work he's done to help treat Parkinson's disease.

Edward Witten talks about math and physics.

Researcher: Michael C. Ferris, University of Wisconsin-Madison. Moment Title: Providing Power Description: Michael C. Ferris talks about power grids

Colin Adams talks about knot theory

http://www.ams.org/samplings/mathmoments/mm110-knots-podcast

Lydia Bourouiba talks about surface tension and the transmission of disease

http://www.ams.org/samplings/mathmoments/mm109-surface-tension-podcast

Lydia Bourouiba talks about surface tension and the transmission of disease

http://www.ams.org/samplings/mathmoments/mm109-surface-tension-podcast

Colin Adams talks about knot theory

http://www.ams.org/samplings/mathmoments/mm110-knots-podcast

Michael Trick talks about creating schedules for leagues.

http://www.ams.org/samplings/mathmoments/mm108-sports-scheduling-podcast

Despite the considerable variety among cities, researchers have identified common mathematical properties that hold around the world, regardless of a city.s population, location or even time.

Nazareth Bedrossian talks about using math to reposition the International Space Station.

Nazareth Bedrossian explains more about math's role in maneuvering spacecraft and why he's a consumer of mathematical results.

Despite the considerable variety among cities, researchers have identified common mathematical properties that hold around the world, regardless of a city.s population, location or even time.

Van Wedeen talks about the geometry of the brain's communication pathways.

Van Wedeen talks about the geometry of the brain's communication pathways.

Muthu Alagappan explains how topology and analytics are bringing a new look to basketball.

Muthu Alagappan explains how topology and analytics are bringing a new look to basketball.

James Sethian and Frank Morgan talk about their research investigating bubbles.

James Sethian and Frank Morgan talk about their research investigating bubbles.

James Sethian and Frank Morgan talk about their research investigating bubbles.

James Sethian and Frank Morgan talk about their research investigating bubbles.

Many of today.s most striking buildings are nontraditional freeform shapes. A new field of mathematics, discrete differential geometry, makes it possible to construct these complex shapes that be...

Many of today.s most striking buildings are nontraditional freeform shapes. A new field of mathematics, discrete differential geometry, makes it possible to construct these complex shapes that be...

Imagine trying to describe the circulation and temperatures across the vast expanse of our oceans. Good models of our oceans not only benefit fishermen on our coasts but farmers inland as well. U...

Facebook has over 700 million users with almost 70 billion connections. The hard part isn.t people making friends; rather it.s Facebook.s computers storing and accessing relevant data, including ...

Facebook has over 700 million users with almost 70 billion connections. The hard part isn.t people making friends; rather it.s Facebook.s computers storing and accessing relevant data, including ...

There.s more mathematics involved in juggling than just trying to make sure that the number of balls (or chainsaws) that hits the ground stays at zero. Subjects such as combinatorics and abstract...

http://www.ams.org/mathmoments/audioFiles/podcast-mom-juggling-part2.mp3

There.s more mathematics involved in juggling than just trying to make sure that the number of balls (or chainsaws) that hits the ground stays at zero. Subjects such as combinatorics and abstract...

It may be hard to accept but it.s likely that we.d all be much safer in autonomous vehicles driven by computers, not humans. Annually more than 30,000 Americans die in car crashes, almost all due...

http://www.ams.org/samplings/mathmoments/mm96-autonomous-podcast

No one can predict who will commit a crime but in some cities math is helping detect areas where crimes have the greatest chance of occurring. Police then increase patrols in these "hot spots" in...

http://www.ams.org/samplings/mathmoments/mm97-forecasting-crime-podcast

No one can predict who will commit a crime but in some cities math is helping detect areas where crimes have the greatest chance of occurring. Police then increase patrols in these "hot spots" in...

http://www.ams.org/samplings/mathmoments/mm97-forecasting-crime-podcast

Cutters of diamonds and other gemstones have a high-pressure job with conflicting demands: Flaws must be removed from rough stones to maximize brilliance but done so in a way that yields the grea...

http://www.ams.org/samplings/mathmoments/mm94-diamond-podcast

Once a problem only in the developed world, obesity is now a worldwide epidemic. The overwhelming cause of the epidemic is a dramatic increase in the food supply and in food consumption not a sur...

Some of the simplest and most well-known curves parabolas and ellipses, which can be traced back to ancient Greece are also among the most useful. Parabolas have a reflective property that is emp...

Some of the simplest and most well-known curves parabolas and ellipses, which can be traced back to ancient Greece are also among the most useful. Parabolas have a reflective property that is emp...

Mathematics contributes in many ways to the process of converting wind power into usable energy. Large-scale weather models are used to find suitable locations for wind farms, while more narrowly...

Mathematics contributes in many ways to the process of converting wind power into usable energy. Large-scale weather models are used to find suitable locations for wind farms, while more narrowly...

The heart.s function of pumping blood may seem fairly simple but the underlying mechanisms and electrical impulses that maintain a healthy rhythm are extremely complex. Many areas of mathematics,...

The heart.s function of pumping blood may seem fairly simple but the underlying mechanisms and electrical impulses that maintain a healthy rhythm are extremely complex. Many areas of mathematics,...

It.s often a challenge to get from Point A to Point B in normal circumstances, but after a disaster it can be almost impossible to transport food, water, and clothing from the usual supply points...

It.s often a challenge to get from Point A to Point B in normal circumstances, but after a disaster it can be almost impossible to transport food, water, and clothing from the usual supply points...

Experts are adept at answering questions in their fields, but even the most knowledgeable authority can.t be expected to keep up with all the data generated today. Computers can handle data, but ...

Nothing can prevent a tsunami from happening they are enormously powerful events of nature. But in many cases networks of seismic detectors, sea-level monitors and deep ocean buoys can allow auth...

Nothing can prevent a tsunami from happening they are enormously powerful events of nature. But in many cases networks of seismic detectors, sea-level monitors and deep ocean buoys can allow auth...

A triple cork is a spinning jump in which the snowboarder is parallel to the ground three times while in the air. Such a jump had never been performed in a competition before 2011, which prompted...

http://www.ams.org/samplings/mathmoments/podcast-mom-cork-2.mp3

A triple cork is a spinning jump in which the snowboarder is parallel to the ground three times while in the air. Such a jump had never been performed in a competition before 2011, which prompted...

http://www.ams.org/samplings/mathmoments/podcast-mom-cork-1.mp3

As difficult as it is to do the census, the ensuing process of determining the number of congressional seats for each state can be even harder. The basic premise, that the proportion of each stat...

http://www.ams.org/samplings/mathmoments/podcast-mom-seats-part2.mp3

As difficult as it is to do the census, the ensuing process of determining the number of congressional seats for each state can be even harder. The basic premise, that the proportion of each stat...

http://www.ams.org/samplings/mathmoments/podcast-mom-seats-part1.mp3

It doesn't take a perfect storm to generate a rogue wave-an open-ocean wave much steeper and more massive than its neighbors that appears with little or no warning. Sometimes winds and currents c...

http://www.ams.org/samplings/mathmoments/podcast-mom-rogue-2.mp3

It doesn't take a perfect storm to generate a rogue wave-an open-ocean wave much steeper and more massive than its neighbors that appears with little or no warning. Sometimes winds and currents c...

http://www.ams.org/samplings/mathmoments/podcast-mom-rogue-1.mp3

Normally when creating a digital file, such as a picture, much more information is recorded than necessary-even before storing or sending. The image on the right was created with compressed (or c...

http://www.ams.org/samplings/mathmoments/podcast-mom-compressed.mp3

Mathematics has helped investigators in several major cases of human rights abuses and election fraud. Among them: The 2009 election in Iran. A mathematical result known as Benford's Law states t...

http://www.ams.org/samplings/mathmoments/podcast-mom-rights-2.mp3

Mathematics has helped investigators in several major cases of human rights abuses and election fraud. Among them: The 2009 election in Iran. A mathematical result known as Benford's Law states t...

http://www.ams.org/samplings/mathmoments/podcast-mom-rights-1.mp3

One of the most useful tools in analyzing the spread of disease is a system of evolutionary equations that reflects the dynamics among three distinct categories of a population: those susceptible...

http://www.ams.org/samplings/mathmoments/podcast-mom-spread-disease-2.mp3

One of the most useful tools in analyzing the spread of disease is a system of evolutionary equations that reflects the dynamics among three distinct categories of a population: those susceptible...

http://www.ams.org/samplings/mathmoments/podcast-mom-spread-disease-1.mp3

What.s in store for our climate and us? It.s an extraordinarily complex question whose answer requires physics, chemistry, earth science, and mathematics (among other subjects) along with massive...

http://www.ams.org/samplings/mathmoments/podcast-mom-climate-2.mp3

What.s in store for our climate and us? It.s an extraordinarily complex question whose answer requires physics, chemistry, earth science, and mathematics (among other subjects) along with massive...

http://www.ams.org/samplings/mathmoments/podcast-mom-climate-1.mp3

A person needing a kidney transplant may have a friend or relative who volunteers to be a living donor, but whose kidney is incompatible, forcing the person to wait for a transplant from a deceas...

http://www.ams.org/samplings/mathmoments/podcast-mom-kidney.mp3

With 468 stops served by 26 lines, the New York subway system can make visitors feel lucky when they successfully negotiate one planned trip in a day. Yet these two New Yorkers, Chris Solarz and ...

http://www.ams.org/samplings/mathmoments/podcast-mom-subway.mp3

The music of most hit songs is pretty well known, but sometimes there are mysteries. One question that remained unanswered for over forty years is: What instrumentation and notes make up the open...

http://www.ams.org/samplings/mathmoments/podcast-mom-beatles.mp3

The collective motion of many groups of animals can be stunning. Flocks of birds and schools of fish are able to remain cohesive, find food, and avoid predators without leaders and without awaren...

http://www.ams.org/samplings/mathmoments/podcast-mom-swarm.mp3

Archimedes was one of the most brilliant people ever, on a par with Einstein and Newton. Yet very little of what he wrote still exists because of the passage of time, and because many copies of h...

http://www.ams.org/samplings/mathmoments/podcast-mom-arch-2.mp3

Archimedes was one of the most brilliant people ever, on a par with Einstein and Newton. Yet very little of what he wrote still exists because of the passage of time, and because many copies of h...

http://www.ams.org/samplings/mathmoments/podcast-mom-arch-1.mp3

Stents are expandable tubes that are inserted into blocked or damaged blood vessels. They offer a practical way to treat coronary artery disease, repairing vessels and keeping them open so that b...

http://www.ams.org/samplings/mathmoments/podcast-mom-stent-2.mp3

Stents are expandable tubes that are inserted into blocked or damaged blood vessels. They offer a practical way to treat coronary artery disease, repairing vessels and keeping them open so that b...

http://www.ams.org/samplings/mathmoments/podcast-mom-stent-1.mp3

The racing team is just as important to a car.s finish as the driver is. With little to separate competitors over hundreds of laps, teams search for any technological edge that will propel them t...

http://www.ams.org/samplings/mathmoments/podcast-mom-racing.mp3

Sea ice is one of the least understood components of our climate. Naturally its abundance or scarcity is a telling sign of climate change, but sea ice is also an important actor in change as well...

http://www.ams.org/samplings/mathmoments/podcast-mom-sea-ice-4.mp3

Sea ice is one of the least understood components of our climate. Naturally its abundance or scarcity is a telling sign of climate change, but sea ice is also an important actor in change as well...

http://www.ams.org/samplings/mathmoments/podcast-mom-sea-ice-3.mp3

Sea ice is one of the least understood components of our climate. Naturally its abundance or scarcity is a telling sign of climate change, but sea ice is also an important actor in change as well...

http://www.ams.org/samplings/mathmoments/podcast-mom-sea-ice-1.mp3

The spools of wire below contain the only known live recording of the legendary folk singer Woody Guthrie. A mathematician, Kevin Short, was part of a team that used signal processing techniques ...

http://www.ams.org/samplings/mathmoments/podcast-mom-grammy.mp3

http://www.ams.org/samplings/mathmoments/podcast-mom-sea-ice-2.mp3

The colored "strings" you see represent air flow around the soccer ball, with the dark blue streams behind the ball signifying a low-pressure wake. Computational fluid dynamics and wind tunnel ex...

http://www.ams.org/samplings/mathmoments/podcast-mom-soccer.mp3

Invisibility is no longer confined to fiction. In a recent experiment, microwaves were bent around a cylinder and returned to their original trajectories, rendering the cylinder almost invisible ...

http://www.ams.org/samplings/mathmoments/podcast-mom-cloaking.mp3

Votes are cast by the full membership in each house of Congress, but much of the important maneuvering occurs in committees. Graph theory and linear algebra are two mathematics subjects that have...

http://www.ams.org/samplings/mathmoments/podcast-mom-politics.mp3

Origami paper-folding may not seem like a subject for mathematical investigation or one with sophisticated applications, yet anyone who has tried to fold a road map or wrap a present knows that o...

http://www.ams.org/samplings/mathmoments/podcast-mom-origami.mp3

The outcome of elections that offer more than two alternatives but with no preference by a majority, is determined more by the voting procedure used than by the votes themselves. Mathematicians h...

http://www.ams.org/samplings/mathmoments/podcast-mom-voting.mp3

Mathematics is not just numbers and brute force calculation there is considerable art and elegance to the subject. So it is natural that mathematics is now being used to analyze artists. styles a...

http://www.ams.org/samplings/mathmoments/Rockmore-1-2007-2-18.mp3

Storm surge is often the most devastating part of a hurricane. Mathematical models used to predict surge must incorporate the effects of winds, atmospheric pressure, tides, waves and river flows,...

http://www.ams.org/samplings/mathmoments/West-Daws-original-1-2007-2-19.mp3

Mathematics and music have long been closely associated. Now a recent mathematical breakthrough uses topology (a generalization of geometry) to represent musical chords as points in a space calle...

http://www.ams.org/samplings/mathmoments/podcast-mom-music.mp3

Actually, they weren.t caught together at all their images were put together with software. The shadows cast by the stars. faces give it away: The sun is coming from two different directions on t...

http://www.ams.org/samplings/mathmoments/podcast-mom-fakes.mp3

Detection and treatment of cancer have progressed, but neither is as precise as doctors would like. For example, tumors can change shape or location between pre-operative diagnosis and treatment ...

http://www.ams.org/samplings/mathmoments/podcast-mom-tumor.mp3

Many movie animation techniques are based on mathematics. Characters, background, and motion are all created using software that combines pixels into geometric shapes which are stored and manipul...