music

The Song That’s Stuck in Your Head
September 24th, 2022

Have you ever had a song stuck in your head that you just can’t get out? You’d be surprised how much math is in these catchy tunes. Read on to tune into the numbers in songs you can’t stop singing!

Stomp It
August 23rd, 2022

Did you ever realize you can make music with just about anything? Even garbage lids, kitchen sinks, and brooms! Read on to do the math behind the wacky music you can make with everyday items.

A Song Every Minute
August 5th, 2022

Bedtime Math fan Elijah B. asked us, how many songs are there in the world? When you think about how long music has been around, the songs really begin to stack up. Read on for the answer, and to tune into the math in music!

Rock Star Robot
July 22nd, 2022

Robots can do almost everything these days – including play the guitar! Read on to hear the toe-tapping talent of one Lego robot, and find out how math helps this machine make marvelous music.

Stretch That Song to the Sky
December 24th, 2021

If you’d like to play an instrument that’s bigger than you are, try the harp. If you’d like to play an instrument that’s A LOT bigger than you, try the Earth Harp! Read on to find out about this 700-foot harp that Bedtime Math fans Sophie and Ian G. told us about – and play along with the math in music.

Swing That Bowling Ball
October 7th, 2021

When you swing on a swing, you’ll find that whether you push back a lot or a little to start, it always takes the same amount of time to swing from back to front. The only thing that changes the timing of a swing is the length of the chains: longer swings take longer to swing. One person showed this using bowling balls on strings – and you’d be amazed at what the balls did! Read on to watch the video, and do the swinging math.

Play That Carrot!
September 28th, 2021

If you don’t love every vegetable out there, this guy might change your mind. Junji Koyama’s figured out how to turn veggies into musical instruments! Read on to veg out with the musical, munchable math.

Music to Your…Toes
August 1st, 2021

It’s so tempting when you feel tired and lazy to take the elevator or escalator instead of walking up the stairs. But what if we made walking up the stairs more fun — would more people do it? Read on to learn what the car company Volkswagen did to make stair-walking more fun, and see how the stairs and fun add up!

Small Furry Animals on Turntables
May 27th, 2021

Have you ever seen a hamster run inside a hamster wheel? How about on a spinning record on a turntable? Well, the guys at LiveNation decided to try this out. Read on to take a spin around the math in rodents riding records!

Good Moo-sic
March 19th, 2021

We all like different music from each other. You and your friend might like some of the same songs, but not every song, and your parents definitely don’t like all the same songs as you. So what about cows: do cows all like the same music? And is there one kind they like best? Scientists studied this a few years ago by playing different songs for cows to see if the cows made more milk during certain songs. They found that when listening to songs with fewer than 100 beats a minute – maybe about 1 beat per second – the cows gave 3% more milk: in the time the farmers normally got 100 cups from them, they now got an extra 3 cups. Even though people have been studying this since the 1930’s, no one’s sure whether music really makes cows make more milk – or more importantly, whether the milk tastes better.

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