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This First-Grade Math Problem Is Stumping the Internet

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If you’ve ever fantasized about how much easier life would be if you could go back to elementary school, this math problem may give you second thoughts. The question first appeared on a web forum, Mashable reports, and after recently resurfacing, it’s been perplexing adults across social media.

According to the original poster AlmondShell, the bonus question was given to primary one, or first grade students, in Singapore. It instructs readers to “study the number pattern” and “fill in the missing numbers.” The puzzle, which comprises five numbers and four empty circles waiting to be filled in, comes with no further explanation.

Some forum members commented with their best guesses, while others expressed disbelief that this was a question on a kid’s exam. Commenter karrotguy illustrates one possible answer: Instead of looking for complex math equations, they saw that the figure in the middle circle (three) equals the amount of double-digit numbers in the surrounding quadrants (18, 10, 12). They filled out the puzzle accordingly.

A similar problem can be found on the blog of math enthusiast G.R. Burgin. His solution, which uses simple algebra, gets a little more complicated.

The math tests given to 6- and 7-year-olds in other parts of the world aren’t much easier. If your brain isn’t too worn out after the last one, check out this maddening problem involving trains assigned to students in the UK.

[h/t Mashable]

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Pop Culture
The Princess Ride: Here's What a Princess Bride Theme Park Attraction Might Look Like
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MGM

Do you fight the urge to say “Hello, my name is Inigo Montoya” when introducing yourself? Have you spent the past 30 years mispronouncing the word “marriage”? If so, you may be a diehard fan of The Princess Bride. The cult film (and the book on which it’s based) has inspired board games, merchandise, and countless pop culture references. Now, two theme park designers from Universal have conceived the inconceivable. As Nerdist reports, Jon Plsek and Olivia West have designed the plans for a hypothetical attraction called “The Princess Ride.

Their idea follows the classic river boat ride structure and adds highlights from the movie around each corner. After watching Buttercup and Wesley’s love story unfold, riders are taken past the Cliffs of Insanity, through the Fire Swamp, and into the Pit of Despair. The climax unfolds at Prince Humperdinck’s castle and leads up to the two protagonists riding off into the sunset. The last thing the passengers see is Miracle Max and Valerie waving goodbye saying, “Hope ya had fun stormin’ the castle!”

The ride’s designers make a living turning stories into thrilling attractions. Plsek works as a concept artist for Universal Creative, the group behind Universal’s theme parks, and West works there as a concept writer. While The Princess Ride was just a fun side project for the pair, it isn’t hard to imagine their ride bringing Princess Bride fans to the parks in real life.

For more of Jon Plesk’s concept rides inspired by classics like Dr. Strangelove (1964) and National Lampoon’s Vacation (1983), check out his website.

[h/t Nerdist]

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fun
Watch a Chain of Dominos Climb a Flight of Stairs
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Dominos are made to fall down—it's what they do. But in the hands of 19-year-old professional domino artist Lily Hevesh, known as Hevesh5 on YouTube, the tiny plastic tiles can be arranged to fall up a flight of stairs in spectacular fashion.

The video spotted by Thrillist shows the chain reaction being set off at the top a staircase. The momentum travels to the bottom of the stairs and is then carried back up through a Rube Goldberg machine of balls, cups, dominos, and other toys spanning the steps. The contraption leads back up to the platform where it began, only to end with a basketball bouncing down the steps and toppling a wall of dominos below.

The domino art seems to flow effortlessly, but it took more than a few shots to get it right. The footage below shows the 32nd attempt at having all the elements come together in one, unbroken take. (You can catch the blooper at the end of an uncooperative basketball ruining a near-perfect run.)

Hevesh’s domino chains that don't appear to defy gravity are no less impressive. Check out this ambitious rainbow domino spiral that took her 25 hours to construct.

[h/t Thrillist]

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