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Is historically the greatest enemy of science.

Of course the world is flat! Otherwise we'd fall off!

Of course there have to be ether, and light cannot possibly have a fixed speed! That would result in all sorts of senseless absurdities in the very nature of time and space itself!

Etc.

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid (arvid.hallen at gmail.com) on Sun Dec 23rd, 2007 at 07:05:03 PM EST
[ Parent ]
Your examples have nothing to do with common sense, and everything to do with mistaken science.

And it's fairly obviously tautological to say that bad science is the enemy of good...

Jake S puts it better below when he says common sense is fine but can't replace controlled studies.

by afew (afew(a in a circle)eurotrib_dot_com) on Mon Dec 24th, 2007 at 05:48:07 AM EST
[ Parent ]
The world being flat was a commonsense understanding that was repeatedly debunked by rational argument based on visible evidence, since the days of the ancient Greeks and Chinese.

I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
by BruceMcF (agila61 at netscape dot net) on Mon Dec 24th, 2007 at 01:03:11 PM EST
[ Parent ]
Mostly it was a myth created by Washington Irving in his history of Christopher Columbus, that has taken hold.

Any idiot can face a crisis - it's day to day living that wears you out.
by ceebs (ceebs (at) eurotrib (dot) com) on Mon Dec 24th, 2007 at 02:31:52 PM EST
[ Parent ]
It still makes sense from a common sense perspective. Even as I had seen pictures of the planet from space, done the math, calculated how things should fall and then done the experiments to prove that the world really is round, it still felt wrong.

It took a Newtonesque experience to actually understand gravity and the nature of the planet, so it made sense to me.

With quantum mechanics I'm not there yet, if I'll ever be. Sure, it can be both a particle and a wave, and stuff depends on if you look at it or not. I've done the math, know the theory, have done the laser experiment and seen it being proved with my own eyes, but still, it doesn't make sense!

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid (arvid.hallen at gmail.com) on Mon Dec 24th, 2007 at 05:30:21 PM EST
[ Parent ]
I would have to agree. Even for such a simple concept as inertia. With movement in a circle, for example, it feels like there is an outward force, and should the rope be cut, the object would move outwards, possibly in a spiral fashion... The actual tangental trajectory seems quite counterintuitive.

I remember quite well how as a small child I learned something about inertia. Not believing it I constructed experiments in a moving car. Throwing an object, and observing how it landed right in my hand, and did not move backwards as my hand ceased to impart impetus upon it, I verified to my satisfaction that it did indeed seem correct, no matter how counter to common sense. Galilean inertia is hardly a new or strange theory. No, physics does not seem 'rational' or 'sensible' or whatever. It just measures out correctly!

by someone (s0me1smail(a)gmail(d)com) on Mon Dec 24th, 2007 at 06:00:09 PM EST
[ Parent ]
Aristotelian physics is common sense. It's just all wrong as a predictive model.

We have met the enemy, and he is us — Pogo
by Migeru (migeru at eurotrib dot com) on Mon Dec 24th, 2007 at 06:32:20 PM EST
[ Parent ]
Indeed. Much of physics and science is quite counterintuitive. Which just goes to show how far common sense gets us. And how experiential (as opposed to experimental) evidence will often lead us astray.
by someone (s0me1smail(a)gmail(d)com) on Mon Dec 24th, 2007 at 06:56:59 PM EST
[ Parent ]
We always reason through metaphors or mental models. The question is whether a mental model allows one to arrive at the correct conclusion or not. Acquiring "physical intuition" is building new mental models. Mathematical physics is augmenting the mental models with mathematical models but in the end it's still just metaphors.

The problem in this thread is that on the matters that often seem more important or meaningful to us as human beings, not even the evidence or its interpretation is unambiguous and then you can get competing models (including competing logics) which all claim to give the correct answer but are mutually nonsensical. kcurie made a comment to that effect regarding economics in reaction to Jerome's deconstruction of Greenspan.

I just do not get anything... It seesm like Greenspan is saying this stuf because it can.. but one could make another narrative, as the one Jerome is doing.. but there is actually not fundamentals to support one or the other.

Economics is void of any of the scientific fundamentals.. it does not even have a set of standard data features whcih could be analyzed.

...

Add to this the contamination of non-enquiring scientific minds with no freaking idea about maths and you get a very awful picture... economic articles keep on sounding as other purely symblic knowledge ... like astrology...being everythign reduce to a competition of naraatives (which is not small featrue but still...).

In these important matters one can see as we have seen here debates on perceived credibility of sources. Is Chopra an authority on a crackpot? Depending on whether you use Ayurvedic Medicine or Quantum Mechanics to answer the question you'll get a different answer.

We also have a basic disagreement on "science". To some it represents methodological scepticism that can be applied everywhere and is more or less successful depending on the subject matter. To others it represents the scientific establishment, or academic "hard science" with little bearing on meaningful issues. Ultimately it is a disagreement on whether to take things on faith.

We have met the enemy, and he is us — Pogo

by Migeru (migeru at eurotrib dot com) on Mon Dec 24th, 2007 at 07:26:41 PM EST
[ Parent ]

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