Quotation Of The Day

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Quotation Of The Day

A place to post quotations that inspired you, made your day better, or made you pause and think.

Members: 25
Latest Activity: 3 hours ago

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Mark Twain's War Prayer.

Started by Daniel W. Last reply by Andrew Apr 13. 9 Replies

The Last American

Started by Daniel W. Last reply by Andrew Apr 8. 4 Replies

Dan Rather on "Alternative Facts"

Started by Loren Miller. Last reply by eric stone Mar 6. 37 Replies

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Comment by The Flying Atheist 18 hours ago

Joan, Millikin University is my alma mater.  

Comment by Joan Denoo 18 hours ago

Schrödinger's cat thought experiment, is the cat alive or dead?

"A cat is placed in a steel box along with a Geiger counter, a vial of poison, a hammer, and a radioactive substance. When the radioactive substance decays, the Geiger detects it and triggers the hammer to release the poison, which subsequently kills the cat. The radioactive decay is a random process, and there is no way to predict when it will happen. Physicists say the atom exists in a state known as a superposition—both decayed and not decayed at the same time."

"If you put the cat in the box, and if there's no way of saying what the cat is doing, you have to treat it as if it's doing all of the possible things—being living and dead—at the same time,"   

"If you try to make predictions and you assume you know the status of the cat, you're [probably] going to be wrong.

...

"If, you assume the cat is in a combination of all of the possible states that it can be, you'll be correct."

Eric Martell, associate professor of physics and astronomy at Millikin University.

That is the way scientists approach quantum theory. 

Comment by Loren Miller 18 hours ago

Great quotes, Joan!

Comment by Joan Denoo 18 hours ago

"What we discovered in the late 1800s and early 1900s is that really, really tiny things didn't obey Newton's Laws," he says. "So the rules that we used to govern the motion of a ball or person or car couldn't be used to explain how an electron or atom works."

Erwin Schrödinger

Comment by Joan Denoo 19 hours ago

"Logic does not generate new truths, but allows one to verify the consistency and coherence of existing chains of thought. It is precisely for that reason that it proves an effective tool for the analysis and communication of ideas and arguments. "

– Ali Almossawi , San Francisco, July 2013

Comment by Loren Miller yesterday

Our creed [atheism] is indeed a queer creed. You others, Christians (and similar people), consider our ethics much inferior, indeed abominable. There is that little difference. We adhere to ours in practice, you don't.
― Erwin Schrödinger

This is a genuine biggie.  Seriously, how often to Christians threaten those who publicly question their beliefs, rather than "turn the other cheek?"  It would seem that there was a LOT more to Herr Schrödinger than his model for the hydrogen atom.

Comment by Joan Denoo yesterday

Great quotes, Bert, Gary S., Loren Miller, and Daniel. They are keepers. 

Comment by Gary S yesterday

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.

- Carl Sagan

Comment by Loren Miller on Saturday

Today evolution of human intelligence has advanced us to the stage where most of us are too smart to invent new gods but are reluctant to give up the old ones.
― Ruth Hurmence Green

Welcome to the wonderful world of generational indoctrination.

Comment by Idaho Spud on Friday

Great quote from Butterfly.  A definite keeper.  Thanks Loren.

 

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