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• Dear Nickelodeon, I've gotten over how SpongeBob's pants are

• not actually square.

• I can ignore most of the time that Gary's shell is not

• a logarithmic spiral.

• But what I cannot forgive is that SpongeBob's pineapple

• house is a mathematical impossibility.

• There's three easy ways to find spirals on a pineapple.

• There's the ones that wind up it going right,

• the ones that spiral up to the left,

• and the ones that go almost straight up-- keyword almost.

• If you count the number of spirals going left

• and the number of spirals going right,

• they'll be adjacent Fibonacci numbers-- 3 and 5,

• or 5 and 8, 8 and 13, or 13 and 21.

• You claim that SpongeBob Squarepants

• lives in a pineapple under the sea, but does he really?

• A true pineapple would have Fibonacci spiral,

• so let's take a look.

• Because these images of his house

• don't let us pick it up and turn it around

• to count the number of spirals going around it,

• it might be hard to figure out whether it's mathematically

• a pineapple or not.

• But there's a huge clue in the third spiral, the one going

• upwards.

• In this pineapple there's 8 to the right, 13 to the left.

• You can add those numbers together

• to get how many spirals are in the set spiraling

• steeply upwards.

• In this case, 21.

• The three sets of spirals in any pineapple

• are pretty much always adjacent Fibonacci numbers.

• The rare mutant cases might show Lucas numbers or something,

• but it will always be three adjacent numbers in a series.

• What you'll never have is the same number

• of spirals both ways.

• Pineapples, unlike people, don't have bilateral symmetry.

• You'll never have that third spiral

• be not a spiral, but just a straight line going up

• a pineapple.

• Yet, when we look at SpongeBob's supposed pineapple

• under the sea, it clearly has lines

• of pineapple things going straight up.

• It clearly has bilateral symmetry.

• It clearly is not actually a pineapple at all,

• because no pineapple could possibly grow that way.

• Nickelodeon, you need to take a long, hard look in the mirror

• and think about the way you're misrepresenting

• the universe to your viewers.

• This kind of mathematical oversight

• is simply irresponsible.

• Sincerely, Vi Hart.

Dear Nickelodeon, I've gotten over how SpongeBob's pants are

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# 公開信Nickelodeon, Re:海綿寶寶在海底的菠蘿： (Open Letter to Nickelodeon, Re: SpongeBob's Pineapple under the Sea)

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林宜悉 發佈於 2021 年 01 月 14 日