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That's awesome stuff.

You may have also read about 'frozen smoke',

BTW, Seuss fans will be flocking to theaters next Spring for Horton Hears A Who!

I hadn't heard about that CSI episode. Interesting.

Oh, and I should mention my own experience with oobleck:

Hm, didn't the Mythbusters tackle walking on a cornstarch solution already?

Despite the Wikipedia article, the myth about the force needed to remove oneself from quicksand is exactly that: a myth.

This has been demonstrated recently on television, both on the show Mythbusters, and by "Bear" Grylls on the Man vs. Wild television show. In both cases, people had no trouble whatever extricating themselves, in clear view on television, from quicksand. While they claimed it was a bit tiring, it was easy to do.

While some situations on Man vs. Wild have been shown to be contrived, it would have been difficult to fake these particular circumstances.

Wow. They must have needed a lot of corn starch to fill a volume that large. We once decided to fill a kiddie pool up with oobleck, and it required all of the corn starch from all of the Star Markets in Cambridge. I think the cashiers were mildly weirded out.

WRT dry quicksand, hasn't there been fluidized-bed (dry powder with various gases blown up through it) industrial-scale chemistry for decades now?

Wouldn't this have provided an instance proof for dry quicksand?

for a senior prank we were thinking of filling the quad with oobleck. our quad has a two step down area that would be perfect for a huge pool if we were able to get in enough oobleck...natural we won't have acces to a mixing truck or anything...and it's a rather large area. any suggestions would be great!

where did you get all the cornstarch?

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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.