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Comment Re:Reminds me of one engineer's maxim (Score 1) 501

In theory, the difference between practice and theory is due to practical considerations that theorists find it impractical to fit into their theories.

In practice, theory uses the practice of theorizing about practical matters, while not noticing that the theoretical method practically distorts the theory beyond application to practice.

Theoretically then, the practical facts are that theory is in practice good for predicting what happens in theory, but impractical as a theory with direct implications for practice, except where theory states that the practice is sufficiently close to the theory to make any difference, for all practical purposes, theoretically zero.

In practice this does not happen very often.

Comment pizza and pi (Score 1) 218

If you eat pie today, you will increase your circumference by 2*pi*dr.

And if the volume of a pizza of radius z and thickness a is pi*z*z*a, and its density is p, and the Earth's mass times the gravitational constant is u and its distance from the center is l, the force pulling on that pizza is pi*z*z*a*p*u / l*l.

Comment Re:Renewable Doesn't Mean Invincible (Score 1) 78

I'd rather be asking why they are bothering to have cooling towers,

That part was explained in TFS. It is because after the expanding pressurized hot water expands into steam past turbines, they cool it and run the condensing steam past turbines a second time to get even more energy out of it. Clever.

Comment Re:Might be? (Score 1) 314

Enjoy not being addicted while it lasts. Continue, and you will become hooked, just as if you were smoking a few times a week. Nicotine is on a short list of common addictive drugs that include caffeine, alcohol,,heroin, cocaine, meth etc.

But as discussed elsewhere in this thread, it remains to be seen how harmful nicotine addiction is by itself.

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