## #math

##### Science & Technology | Cool Stuff

#### How a magician-mathematician revealed a casino loophole - BBC Future

When a gang of gambling cheats sussed out how to beat the house, they inadvertently highlighted a loophole from a shuffled deck. It took a magician-turned-mathematician to reveal how.

##### Politics | Woke Insanity

#### Professor proposes ‘living mathematx’ which acknowledges that trees are sentient

Just like Latinx, there's now mathematx.

##### Science & Technology | Cool Stuff

#### How the Slowest Computer Programs Illuminate Math’s Fundamental Limits | Quanta Magazine

The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to some of the most profound…

##### Science & Technology | Cool Stuff

#### Scientists Fed the Fibonacci Sequence Into a Quantum Computer and Something Strange Happened

By shooting a laser pulse imitating the Fibonacci Sequence into qubits, physicists created a new phase of matter far better at maintaing a quantum state.

##### Miscellaneous | Interesting & Helpful Information

#### For Some Maniacal Reason, Teachers Gave This Math Problem to 9-Year-Olds

And no one could solve it—not even the teachers. Can you figure out the answer?

##### Science & Technology | Cool Stuff

#### Paradox-free time travel is 'logically' possible, say physicists - Big Think

Grandfathers, take heart. You'll survive the paradox that's been gunning for you since the 1930s.

##### Science & Technology | Cool Stuff

#### How to understand Einstein's equation for general relativity - Big Think

Mathematically, it is a monster, but we can understand it in plain English.

##### Science & Technology | Cool Stuff

#### Einstein proved right by flying clocks around the world - Big Think

Time isn't the same for everyone, even on Earth. Flying around the world gave Einstein the ultimate test. No one is immune from relativity.

##### Miscellaneous | Miscellaneous

#### How a circular slide rule works

How does a circular slide rule work? What if it "overflows" by rotating more than 360 degrees?

##### News | News

#### Oregon Suspends Math, Reading Proficiency As Graduation Requirement

Oregon’s Governor Kate Brown (D), quietly signed a bill last month that dropped the requirement that high school students prove...

##### News | News

#### So, Now Achieving Racial 'Equity' Requires the Dumbing Down of America's Kids?

The California Department of Education is suggesting - strongly suggesting - that schools eliminate advanced placement math classes, not because students weren't qualifying, but because AP math classes are, get this, "racist." Frank and Andy address this

##### Politics | Narrative

#### Bill & Melinda Gates Foundation Says Math, Showing Your Work, Correct Answers Are Racist

As Bill and Melinda Gates aggressively push for the vaccination of the entire world population against COVID, their non-profit organization

##### Politics | Leftists Are Insane

#### Oregon Educators: Making Math Students Show Their Work Is ‘White Supremacy’

The Oregon Department of Education is seeking to root out "white supremacy" in mathematics, which focuses on “getting the right answer.”

##### Science & Technology | Cool Stuff

#### 'Remarkable' Mathematical Proof Describes How to Solve Seemingly Impossible Computing Problem

You enter a cave. At the end of a dark corridor, you encounter a pair of sealed chambers. Inside each chamber is an all-knowing wizard. The prophecy says that with these oracles’ help, you can learn the answers to unanswerable problems. But there’s a catc

##### Miscellaneous | Interesting Links

#### ‘Ok math WHIZ’: William Shatner takes troll whining about how much HARDER it is for people today APART with simple math

Don't whine to William Shatner folks. Just don't do it.

##### Science & Technology | Cool Stuff

#### The Ramanujan Summation: 1 + 2 + 3 + ⋯ + ∞ = -1/12?

This is what my mom said to me when I told her about this little mathematical anomaly. And it is just that, an anomaly. After all, it defies basic logic. How could adding positive numbers equal not…

##### Science & Technology | Cool Stuff

#### How to Perform Calendar Calculations in Your Head

In less than 30 minutes, learn how to calculate which weekday any given date occurs on

##### Politics | Leftists Are Insane

#### Woke Math Aims to Teach Seattle Kids That ‘Western’ Math Is Racist

The framework for this new curriculum exposes just how absurd woke math will be.

##### History | History

#### Mind-boggling facts that sound fake, but are actually true

Some facts are so mind-boggling that they sound bogus. We did the digging to bring you all the wildest trivia no one believes could possibly be true.

##### Science & Technology | Cool Stuff

#### Mathematicians Solve '42' Problem With Planetary Supercomputer

Mathematicians have finally figured out the three cubed numbers that add up to 42. This has settled a problem that has been pondered for 65 years: namely, can each of the natural numbers below 100 be expressed as the sum of three cubes?

##### Science & Technology | Cool Stuff

#### Introduction to Quantum Programming - Towards Data Science

In depth walkthrough of quantum programming for beginners, building up from the mathematical foundations of qubits to how to run on a real quantum computer.

##### News | News

#### Florida Governor Plans Rollback of Common Core

A sweeping executive order recently issued by Florida Gov. Ron DeSantis aims to remove the “vestiges” of the ...

##### News | News

#### A retired couple explains exactly how they used math skills and a lottery loophole to win $26 million in 9 years

Jerry and Marge Selbee won millions when they realized a loophole in a Michigan state lottery game that boosted their chances of winning.

##### Science & Technology | Cool Stuff

#### Meet The Four-Dimensional Numbers That Led to Modern Algebra

Strange, long-forgotten numbers called quaternions are undergoing a revival in computer graphics, math, and physics.

##### News | Interesting Links

#### Mathematicians solve age-old spaghetti mystery

If you happen to have a box of spaghetti in your pantry, try this experiment: Pull out a single spaghetti stick and hold it at both ends. Now bend it until it breaks. How many fragments did you make? If the answer is three or more, pull out another stick

##### Science & Technology | Computer & Coding Tips

#### Be a Better Programmer with these 40 Mathematics Courses

But why we are so scared of Mathematics? Simply It’s because of our high school teaching systems and very less resource to learn from in our early ages. I saw many of friends didn’t understand and…

##### Advice & Self-Help | Meditation and Other Practices

#### What Knitting Can Teach You About Math

In this professor's class, there are no calculators. Instead, students learn advanced math by drawing pictures, playing with beach balls—and knitting

##### News | Interesting Links

#### Stonehenge secret: Did builders use Pythagoras' theorem 2,000 years before the philosopher lived? | Fox News

The famous ancient site at Stonehenge may have been built using Greek philosopher Pythagoras’ famous theorem two millennia before the mathematical equation was developed, experts say.

##### Health & Fitness | Health

#### The Math Behind the Classic Eye Chart Is Surprisingly Complex | Mental Floss

Test your knowledge with amazing and interesting facts, trivia, quizzes, and brain teaser games on MentalFloss.com.

##### Science & Technology | Cosmic Research

#### Amateur mathematician cracks decades-old math problem

Aubrey de Grey took on the Hadwiger-Nelson problem, which has stumped mathematicians for more than 60 years

##### Family & Parenting | Kids

#### Math questions from the SATs that everyone gets wrong

The SAT doesn't just test how good you are at math, reading, and writing — it tests how good you are at taking the SAT. Can you solve these 8 common problems?

##### News | Interesting Stories

#### This Couple Found a Math Error in the Lottery and Made $27 Million (Playing Over and Over for 55 Weeks)

Oh, I knew it would work, the wife said. I knew it would work.

##### Family & Parenting | Kids

#### Numworks graphing calculator is made for students raised on tech

Like textbooks, graphing calculators are still a necessary (and expensive) accessory for math and science students in high school and college. Sure, there are calculator apps for tablets and smartphones, but those are often banned for tests because they

##### Sports | Sports

#### A Mathematician Confronts March Madness - The New Yorker

Charles Bethea on this year’s March Madness N.C.A.A. basketball tournament, and the number theories that surround its brackets.

##### Psychology | Parenting and Kids

#### Teach Kids Philosophy, It Makes Them Better at Math

Not what to think, but how to think.

##### Science & Technology | Cool Stuff

#### A lot of people are having trouble with this math problem that requires some basic algebra

Nothing like a viral mind boggling math problem to make you feel like you should have paid better attention in high school…

##### Science & Technology | Cool Stuff

#### The Beauty of Laplace’s Equation, Mathematical Key to … Everything | WIRED

With these five symbols, Laplace read the universe.

##### Science & Technology | Cool Stuff

#### Something is off about one of Egypt's oldest and largest pyramids

The Great Pyramid of Giza, which was built for an Egyptian Pharaoh some 4,500 years ago, has been...

##### Science & Technology | Cool Stuff

#### Maths mystery solved after 40 years | Cosmos

A proof for graph theory's Kelmans-Seymour conjecture.

##### News | Interesting Links

#### Hate Math? These Mental Tricks Will Have You Multiplying Faster Than Einstein Ever Could! « Mind Hacks

2 + 2 = 4. That's about as much math as I can handle without a calculator on a daily basis. I literally hate doing math more than anything in life, mostly because I'm not good at it—and I hate doing things I'm not good at. So, when I come across a cool

##### Science & Technology | Cool Stuff

#### A New Hope for a Perplexing Mathematical Proof | WIRED

Three years ago, a solitary mathematician released an impenetrable proof of the famous abc conjecture. At a recent conference dedicated to the work, optimism mixed with bafflement.

##### Miscellaneous | Interesting Links

#### Hate Math? Then You NEED To See This Super-Simple Multiplication Trick.

Math suddenly isn't that hard!

##### Science & Technology | Cool Stuff

#### The Math Of Star Trek: How Trying To Solve Fermat's Last Theorem Revolutionized Mathematics - Forbes

People who, like Captain Picard, tried to solve Fermat's Last Theorem ended up revolutionizing math.

##### Science & Technology | Technology

#### For 40 years, computer scientists looked for a solution that doesn’t exist - The Boston Globe

MIT researchers demonstrate that it’s impossible to find a faster way of computing “edit distance.”

##### News | Interesting Stories

#### John Nash, wife, 'A Beautiful Mind' inspiration, die in NJ

TRENTON, N.J. (AP) — John Forbes Nash Jr., a mathematical genius whose struggle with schizophrenia was chronicled in the 2001 movie

##### Science & Technology | Cool Stuff

#### This Math Puzzle For 3rd Graders Is Harder Than It Looks. Can You Solve It?

Get ready for your brain to hurt. Again. A math teacher in Vietnam challenged his third-grade class (read: 8-year-old students) to solve this seemingly simple arithmetic problem. Apparently

##### Science & Technology | Cool Stuff

#### Can you solve the maths question for Singapore schoolkids that went viral?

Singapore usually comes top, or nearly top, of the international rankings in primary maths performance.

And when you read this question – you can see why. It’s an excellent logical puzzle, which will stump most adults.

##### Travel | Travel

#### A data genius computes the ultimate American road trip - The Washington Post

Who needs an atlas when you have an algorithm? Data tinkerer Randy Olson, who previously developed the optimal search path for finding the bespectacled main character of the "Where’s Waldo?" books, has used this same algorithm to compute the ultimate American road trip.

##### News | Interesting Links

#### Why Pi Matters - The New Yorker

Yes, Pi Day is again upon us. And not just any Pi Day. They’re calling this the Pi Day of the century: 3.14.15. Pi to five digits.

##### Miscellaneous | Interesting Links

#### Can You Solve 'The Hardest Logic Puzzle In The World'?

You're reading the first installment in a brand new puzzle series here at io9 – and what better way to kick things off than with the world's most difficult logic puzzle?

##### Science & Technology | Cool Stuff

#### Do We Live in a Multiverse? - The Nature of Reality

Our universe may not be alone. It could just be one of multiple realms making up a “multiverse.” In fact, there are a half-dozen or so... Read Full Post

##### Science & Technology | Cool Stuff

#### Missing square puzzle

The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures.