‘Vehicles and Transportation’

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Mush!

March 3, 2019 4:00 pm

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The Iditarod Trail Sled Dog Race is the most famous dog-sledding event, and is often called “The Last Great Race.” Just why is it called this? Read on to run through the numbers in this race, and find out what makes it so great!

When Toilets Fly

February 27, 2019 4:00 pm

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You’ve heard of birds and planes flying. But what about toilets? One group decided to create a portapotty rocket and make it fly! Read on to get carried away with the numbers in this rocketing restroom.

In Case You Got No Snow…

February 19, 2019 4:00 pm

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When we hear a giant snowstorm is coming, we get really excited to play in the snow. But sometimes the storm decides to go another way and we don’t get any snow. Well, one grandpa decided to fix that problem for his granddaughter. Read on to see how he did this – and do the math in traveling snow!

Answer Your Car’s Questions

January 30, 2019 4:00 pm

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Did you ever wonder what cars would say if they could talk? Chances are they’d ask a lot of questions that you’d be able to answer by doing some math. So read on to see what your car might say…and figure out how you’d answer it!

The People Flying over Your Head

January 14, 2019 4:00 pm

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Have you ever watched an airplane in the sky, and wondered how many people are in there, and where they’re going? Now just imagine how many planes fly above you in one day! Read on to take flight with the math in the number of people flying over your head.

Giving the Green Light

January 9, 2019 4:00 pm

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When we drive on the road, we can’t all just go every which way. We have to stay on one side, and wait our turn where roads cross. Stop signs help, but really busy crossings need traffic lights. The traffic light, that cute red, yellow and green trio, was patented (made official as an invention) on this day in 1923. Actually, the very first electric traffic light was invented in 1912 by Lester Wire, a policeman in Utah fed up with all the traffic; you can imagine, after hundreds of years of slow horse-drawn carriages, what it was like to have this speedy, loud thing called a car suddenly show up. So Wire borrowed the idea of railroad signals to make a traffic light, which had just red and green for stop and go. Then in 1920, Detroit cop William Potts built one with 3 colors (red, orange and green). As you see here, people have tried other designs, like this funny dial one from Australia, but the three-color light is what keeps most of us from crashing into each other today.

More Than One Rose for Your Nose

January 1, 2019 4:00 pm

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As beautiful as a rose is, a dozen is even more beautiful. So how about 18 million of them, put together to make all kinds of shapes of animals, buildings, people, and more? Read on to wake up and smell the roses – and do the math in the annual Rose Parade!

Baby You Can Drive My…Balloons?

December 27, 2018 4:00 pm

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Balloons come in lots of different colors and shapes, and float all around the place, which make them lots of fun. But making a shape with them to break a world record make them even more exciting! Read on to see how many balloons were needed to break this world record – and get carried away with the balloon math.

“Wrong Way” Corrigan

December 9, 2018 4:00 pm

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Sometimes people make a wrong turn while driving. But imagine taking a wrong turn while flying a plane! Read on to fly through the math on one pilot who took a very wrong turn, which earned him the nickname “Wrong Way” Corrigan.

A New Job for Your “Chopper”

November 22, 2018 4:00 pm

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Drones don’t have to be used just for flying. Read on to see how they can help make Thanksgiving dinner, and fly through the messy math of cooking with a drone!