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the time
I once spent
on cardinal sins
now doing lines in science blogs.

Dan Brown's book
one Aranofsky
mentioned Fibonacci in **Pi**.

I meant
to type O
instead of that A
in Darren Aronofsky's name.

Blake should be careful --
poems might become cardinal sins!

for me
I am just
too much an English
literature major ex pat

(I wasn't even going to try, but it seemed de riguer to respond, so...)

I'm actually writing because I want to offer a standing ovation for this entry.

Not only do you reach out past the usual DWWM-centric discussion of mathematics, which I adore, and not only do you include the Bhaghavad Gita, which I also adore, you call "The DaVinci Code" a "potboiler" - my favorite of underused terms! You are, once again, my hero. :-)

Nice Fibbing... and a fine post, too. What's been surprising to me on my blog is that so far, no one I've seen has mentioned the DaVinci Code in notes about why they know/use Fibonacci (or in their Fibs, for that matter). Guess that could be cuz the sequence is hundreds and hundreds of years old and, well, everywhere.

Thanks for the link. Fib on!

Entertaining and informative as usual, but I have to nitpick.
"Muslim scholars assumed the Earth was round some 500 years before Galileo realized it."
Galileo's contribution had nothing to do with the sphericity of the Earth. Aristotle (380-322 BC) provided some of the better early evidence for the idea (ships disappearing over the horizon, the shadow of the earth on the moon in a lunar eclipse, and the variation of constellations with lattitude), but he certainly wasn't the first Greek to make the argument (Pythagoras had been a supporter around 200 years earlier - if I remember correctly it was on the grounds that a sphere was the only perfect shape rather than actual evidence). Later on, Eratosthenes measured, with impressive accuracy, the diameter of the Earth in 240 BC based on the angles of the Sun in the sky from two different points.

During the dark ages, Europeans lost a lot of the Greek's knowledge. The Arabs (I think it was the Arabs specifically, but perhaps I should say Middle-Easterners), however, retained it. Knowledge from the Greeks was reintroduced to Europe through the Arabs, well before Galileo, including the evidence for a spherical Earth. Wikipedia ( points to examples demonstrating that the European elite accepted a spherical Earth centuries before Galileo, including Catholic Church writings.

Columbus had reached the Americas and Magellan had circumscribe the globe before Galileo was even born - not that either (or educated Europe in general) doubted that the eath was spherical before their respective journeys.

Sorry for the overkill in the nitpicking, I have a tendency to do that. I do appreciate your highlighting that knowledge based on the Greeks foundations continued to progress in the Middle East suring the time that much of it was lost to Europe.

Hey, the comments section of a blog are the perfect place to clarify details like that. I kinda questioned that sentence as I was typing it, and appreciate the extra information. How else does one learn, after all?

Thanks for reading, and commenting!

I remember great Indian Mathematicians Gopala & Hemchandra who defined fibonacci like sequence before Fibonacci. It is very popular sequence. I impressed of work on this sequence.

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    Physics Cocktails

    • Heavy G
      The perfect pick-me-up when gravity gets you down.
      2 oz Tequila
      2 oz Triple sec
      2 oz Rose's sweetened lime juice
      7-Up or Sprite
      Mix tequila, triple sec and lime juice in a shaker and pour into a margarita glass. (Salted rim and ice are optional.) Top off with 7-Up/Sprite and let the weight of the world lift off your shoulders.
    • Listening to the Drums of Feynman
      The perfect nightcap after a long day struggling with QED equations.
      1 oz dark rum
      1/2 oz light rum
      1 oz Tia Maria
      2 oz light cream
      Crushed ice
      1/8 tsp ground nutmeg
      In a shaker half-filled with ice, combine the dark and light rum, Tia Maria, and cream. Shake well. Strain into an old fashioned glass almost filled with crushed ice. Dust with the nutmeg, and serve. Bongos optional.
    • Combustible Edison
      Electrify your friends with amazing pyrotechnics!
      2 oz brandy
      1 oz Campari
      1 oz fresh lemon juice
      Combine Campari and lemon juice in shaker filled with cracked ice. Shake and strain into chilled cocktail glass. Heat brandy in chafing dish, then ignite and pour into glass. Cocktail Go BOOM! Plus, Fire = Pretty!
    • Hiroshima Bomber
      Dr. Strangelove's drink of choice.
      3/4 Triple sec
      1/4 oz Bailey's Irish Cream
      2-3 drops Grenadine
      Fill shot glass 3/4 with Triple Sec. Layer Bailey's on top. Drop Grenadine in center of shot; it should billow up like a mushroom cloud. Remember to "duck and cover."
    • Mad Scientist
      Any mad scientist will tell you that flames make drinking more fun. What good is science if no one gets hurt?
      1 oz Midori melon liqueur
      1-1/2 oz sour mix
      1 splash soda water
      151 proof rum
      Mix melon liqueur, sour mix and soda water with ice in shaker. Shake and strain into martini glass. Top with rum and ignite. Try to take over the world.
    • Laser Beam
      Warning: may result in amplified stimulated emission.
      1 oz Southern Comfort
      1/2 oz Amaretto
      1/2 oz sloe gin
      1/2 oz vodka
      1/2 oz Triple sec
      7 oz orange juice
      Combine all liquor in a full glass of ice. Shake well. Garnish with orange and cherry. Serve to attractive target of choice.
    • Quantum Theory
      Guaranteed to collapse your wave function:
      3/4 oz Rum
      1/2 oz Strega
      1/4 oz Grand Marnier
      2 oz Pineapple juice
      Fill with Sweet and sour
      Pour rum, strega and Grand Marnier into a collins glass. Add pineapple and fill with sweet and sour. Sip until all the day's super-positioned states disappear.
    • The Black Hole
      So called because after one of these, you have already passed the event horizon of inebriation.
      1 oz. Kahlua
      1 oz. vodka
      .5 oz. Cointreau or Triple Sec
      .5 oz. dark rum
      .5 oz. Amaretto
      Pour into an old-fashioned glass over (scant) ice. Stir gently. Watch time slow.