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9 Secret Shortcuts of People Who Are Good at Everyday Math

Even in an age of smartphones, crunching numbers quickly — and getting good at it — can give you snappy, useful answers to pressing real-life math …

Mathematics

Why all children must learn their times tables — and fun ways to teach them

Recently, I was asked by a parent how old children should be to learn how to multiply numbers. He was shocked when I said that children in …

Mathematics

Ten cryptocurrency predictions for 2018 from the co-founder of the Blockchain Research Institute

A year ago, Alex Tapscott (my co-author of <i>Blockchain Revolution</i>) and I made some predictions for 2017. At the end of the year we compared those predictions to what had actually occurred. Overall they stood up well.<p>Notably we said: <i>“Bitcoin will hit $2,000 (that’s right: one bitcoin will be worth</i> …

Blockchain

An MIT professor says this 1996 logic puzzle may be the hardest brain teaser on the internet

Are you itching to test your smarts? You've come to the right place. The Harvard Business Review may have published this logic puzzle back in 1996, but people are still scratching their heads over it today. (If you prefer numbers over words, find the missing one in this puzzle.)<p>Mathematician …

Mathematics

Maths goes to the movies | plus.maths.org

<i>Got your popcorn? Picked a good seat? Are you sitting comfortably? Then let the credits roll...</i><p>First objects are modelled as wire skeletons made up …

How to multiply numbers by drawing lines

Learn how drawing lines and counting can visually calculate multi-digit multiplication problems. This handy math trick, sometimes referred to as the …

Mathematics

An Introduction to the Study of Calculus

The branch of mathematics studies rates of change<p>Calculus is the study of rates of change. The principals behind calculus date back centuries to the …

Mathematics

Want to Help a Kid Learn Math? Stop Being a Hypocrite

Kids are required to do math. Parents try their best to avoid it at all costs.<p>By<p>For many adults, math is a distant memory, a requirement dispensed …

Bitcoin Banned as a Payment Method in Indonesia, Adopters Will Be 'Dealt With'

Advertisement<p>The head of Bank Indonesia, Indonesia’s central bank, has threatened action against bitcoin adopters if the cryptocurrency is used as a …

Who Speaks Indonesian, ‘the Envy of Multilingual World’?

Indonesian, an engineered language made in the time of colonialism, is “the envy of the multilingual world”. But no one speaks standard Indonesian on …

What the United States Did in Indonesia

A trove of recently released documents confirms that Washington’s role in the country’s 1965 massacre was part of a bigger Cold War strategy.<p>A trove of newly declassified diplomatic cables reveals a surprising degree of American involvement in a brutal anti-communist purge in Indonesia …

Asia

SNES Classic Edition review: Worth it for the games alone

The success of last year's NES Classic Edition clearly took Nintendo by surprise. The company was completely incapable of meeting demand, leaving many people unable to buy what became the must-have gift of the holiday season. Now Nintendo has given its SNES the Classic Edition treatment and …

MIT CSAIL's origami-bot wears foldable exosuits

Unless alien machines that can turn into cars and trucks come and teach us their secrets, we'll have to conjure up our own ways to make transforming robots. Researchers from MIT CSAIL have been on it for years, and their latest method relies on a cube robot called "Primer" that changes shape and …

This Email From Elon Musk to Tesla Employees Describes What Great Communication Looks Like

A newly acquired email from Musk outlines a brilliant philosophy. But it's easier said than done.<p>Throughout the years, billionaire entrepreneur Elon Musk has demonstrated the art of masterful communication.<p>The following is a perfect example: It's a copy of a previously unpublished email Musk sent …

Tesla

Inside Conor McGregor’s Dublin: the making and shaping of a fighting superstar

As Conor McGregor prepares for his $100m boxing debut against Floyd Mayweather, Donald McRae uncovers a complex genius with the help of those who know him best • Dublin pictures: Paul Faith for the Guardian<p>Patrick Hyland, a gentle and amusing former boxer who once called himself The Punisher, waits …

At an Arkansas Mosque, a Vandal Spreads Hate and Finds Mercy

Abraham never fit in. Hisham finally felt at home. Then their worlds collided in western Arkansas.

Islam

Did you miss totality? Relive the solar eclipse’s climax in this 3-minute video

MADRAS, Ore. – Some skywatchers spend thousands of dollars on telescopes, cameras and other hardware to document a solar eclipse. John E. Hoots did …

Stunning Images of the Solar Eclipse

Outdoors

I Learned Calculus With A Video Game, And It Was Surprisingly Fun

10 ways to survive constant stress at work

The world is groaning for authentic, powerful, compassionate, and wise leaders. No matter what your ranking on the corporate ladder, you can make a …

It took one man 30 minutes to find the circles in this puzzle - can you beat him?

We all know the internet loves a good brainteaser, and the latest one to hit Facebook has proven very popular.<p>The puzzling image, which looks to be …

Cleaning a Dirty Sponge Only Helps Its Worst Bacteria, Study Says

Stop. Drop the sponge and step away from the microwave.<p>That squishy cleaning apparatus is a microscopic universe, teeming with countless bacteria. Some people may think that microwaving a sponge kills its tiny residents, but they are only partly right. It may nuke the weak ones, but the strongest, …

Biology

How Two Brothers Turned Seven Lines of Code Into a $9.2 Billion Startup

Now, Stripe’s Patrick and John Collison are teaming with Amazon to grab even more control over the global flow of commerce.<p>Every day, Americans spend …

Peter Thiel

Google Launches Free Course on Deep Learning: The Science of Teaching Computers How to Teach Themselves

Last Friday, we mentioned how Google's artificial intelligence software DeepMind has the ability to teach itself many things. It can teach itself how …

Machine Learning

‘Clean eating is ugly, malevolent and damaging’, says top eating disorder expert

ES Lifestyle Newsletter<p>An eating disorder specialist has spoken out about the worrying mental and physical dangers facing young women who follow …

Mental Health

The Best Kits for Teaching Kids How to Code

Who says learning code has to be boring?<p>Whether you're an experienced programmer or have never even touched a line of code, a kit designed to introduce basic coding skills can make a great gift for kids. These kits can teach everything from problem-solving skills to real programming languages that …

Raspberry Pi

Go take a virtual tour of the International Space Station right now

It's on Google Street View, and it looks incredible.<p>Google's street view takes us to some pretty wild places. From the comfort of your computer, you can visit a tiny train 'Wunderland', pilot the Millennium Falcon, rock climb in Yosemite, or zip line through a rainforest, among many, many other …

Kano's Pixel Kit is a charming introduction to coding

We all know the importance of code. It's the backbone of computing, the internet and so much else we come into contact with on a daily basis. But learning to code is still a tricky and poorly defined pursuit. I've booted up Codecademy a few times, only to try a couple of courses and realise I have …

Zap Zap Kindergarten Math–Clever, Engaging Early Math Lessons

<b>Zap Zap Math</b> is a free gamified way to teach K-8 math skills that are tied to many national standards (like Common Core). Its format is colorful and …

New Managers Should Focus on Helping Their Teams, Not Pleasing Their Bosses

When I first became a manager — an unexpected promotion soon after taking a new job — I found myself feeling awkward about the fact that I had been elevated above my peers. Still, my team was in the middle of a complex first-time project, so I wanted to impress my boss with my handling of it. My …