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Particle Physics: Scintillators

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Uploaded by on Dec 14, 2007

Fermilab physicist, Dr. Marcel Demarteau explains how scintillators are used to detect particle collisions.

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Education

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  • We had a student like him in our health class in 7th grade. It's the first point of reference I figured the dork in the video has the maturity of (maybe less, if you read on). Anyway, after WEEKS of questions like "Has anyone's (name it) organ ever exploded and lived after that?" One day we were talking about the circulatory system and yup, another "Has anyone's bladder ever exploded and lived after it?" Response? "No - You'd pee your pants first!". Entire class class erupted in laughter! IMMD

  • I feel bad for the professor. He is clearly a very patient man.

  • apparently there are such things as dumb questions

  • teh comment guyt is a dumbass

    itsobvious

    a moleculre changes teh wavelenght of the uv light and theguy bets on bubbles

    fool only the bubbles would glow then

    poor professor heheh

    plagued by dummies

    hes pretty used to it though

    waht is this? american highschool ? where its all abotu being cool and popular?

    and comment guy has a sports sponsorship or sth?

  • New point of view. The detected material mass of the matter in the Universe is

    very small (the average density of all substance in the Universe is approximately p=10^-30 g/sm^3) .

    It means that the masses in the Universe are very few.

    The distances between stars are very far.

    About 99% of the matter in the Universe is unseen dark mass. Nobody knows what it is.

    Question:

    How can the 99% of the Hidden matter in the Universe create the 1% of the Visible matter ?

  • guy kind of seems like a jerk to the students lol

  • Must be a freshman or high school

    class.

  • It's more of a shame that the students lack general scientific knowledge lol!

  • it's a shame this guy doesn't or is reluctant to answer some of his students' more fundamental questions (why does the black light glow purple). Would probably help the whole thing make a fair bit more sense to them.

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