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Physicist, quantum mechanic, photon whisperer.


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drlorentz
Name:
drlorentz
Hometown:
Los Angeles, California
Joined:
Sep 15, 2010

Recent Comments

drlorentz

FloppyDisk90:

Either the comparison is accurate, yet misleading, because diesel trucks are relatively clean in terms of fine particulate emission or the AQMD's equivalency is inaccurate.  You can come to this conclusion simply by performing some simple arithmetic.  That's what Hennessey did.

Not at all. Please read his conclusions again:

  1. The South Coast Air Quality Management District report is really over-estimating the amount of smoke these fires throw off;
  2. The North American atmosphere in the pre-Colombian era was a lot more polluted than has been previously appreciated; or
  3. The hysteria about global warming has reached an absolute fever-pitch of insanity.

There is no evidence presented that the AQMD is overestimating the smoke from fires. There is data to suggest that the LA basin in the pre-columbian era was quite polluted (see #1 and #10). Finally, this has nothing to do with global warming hysteria (see #2).

The factual and logical lacunae are big enough to drive a (diesel) truck through.

drlorentz

FloppyDisk90: @11:

So you're saying he should have fact checked the AQMD's fine particulate number prior to multiplying?  I think the point was if the AQMD's number is accurate then it leads to some questionable results:  X fires today means Y pollution today but X1 pre-industrial fires would have meant Y1 level of pollution then, where Y1>>>Y.

You misunderstood my point. Imagine that diesel engines produce relatively small amounts of fine particulates. Next, imagine that open fires produce lots. Then it would be altogether possible that AQMD's figures are correct, even as their comparison is misleading. It's likely that open fires do indeed emit far greater quantities particulates that diesels since their combustion is very inefficient. It's quite reasonable to conjecture that a small number of open fires would be a more significant source than a large number of trucks. The facts would tell.

What Mr Hennessey failed to check is that the data creates a contradiction; he merely claimed it. He also conflated global warming with particulates. Yet he's quite self-satisfied that I think his larger point may be right. Facts are required to support conclusions.

drlorentz

FloppyDisk90

 More important, you have not shown that diesel engines emit large quantities of fine particulates to make your case that the AQMD's comparison is absurd.

In fairness to the OP, it's the AQMD itself that's making the comparison. · 2 hours ago

AQMD is making the comparison but Mr Hennessey is the one trying to make the case that the comparison is wrong. He hasn't. His post reminds me of the wisdom of P.J. O'Rourke:

The college idealists who fill the ranks of the environmental movement seem willing to do absolutely anything to save the biosphere, except take science courses and learn something about it.

That sword cuts both ways.

drlorentz

One more thing: fine particulate pollution has little to do with climate change. If anything, particulates cause cooling, not warming. The health concerns about particulates are far more direct and immediate. The concerns may be exaggerated, bit that's off topic for thus thread.

drlorentz

I think you haven't done your homework. The LA basin was indeed plagued by smog from campfires in the preindustrial era. More important, you have not shown that diesel engines emit large quantities of fine particulates to make your case that the AQMD's comparison is absurd. You are probably right in your main point, but you'd (rightly) be demolished in an argument with a Green. My twin suggestions: 1. Get your facts before opining. 2. Get better at math before calculating and making conclusions. All those big numbers mean nothing without context and understanding.

drlorentz

iWc

Ah, but that is the joy of being some writer for the New York Times, and knowing that when you put ink to paper, people will treat the result as the Word from On High.

I am often quoted in the press. Without exception, every single article about me/my company (unless they send it to us first for fact-checking), contains at least one major, entirely avoidable and unnecessary, factual error. 

I've noticed this. Whenever I have personal knowledge of a news story, there are inevitably significant errors, sometimes to such a degree to imply the opposite of the truth. In the face of this, why do people treat these emissions as Word from On High? This has always puzzled me.

drlorentz
Z in MT: I think a major issue we have in the United States is that the publicly funded research enterprise has gotten too large.  This has led to a glut of scientists with advanced degrees competing over a small number of academic positions, which grant one access to a career as a member of the scientific establishment.  This competition weeds out  young scientists who are not politically or scientifically 'correct' from the ranks of academia.

This is true, and ironic. About 15 years ago, there was a broadly publicized 'shortage' of physicists. I suppose many students were taken in by this and now we reap the whirlwind.

Political correctness (e.g., climate change) creates perverse incentives that corrupt. The scientific study of climate and man's possible effect had been going on for many decades before the Greens, with the complicity of the Left, seized the issue to advance an anti-capitalist agenda. Philip Stott (a Labourite btw) pointed this out long ago. In turn, this had a great influence on funding in atmospheric science and oceanography.

Scientists respond to incentives just as everyone else does. Make it profitable to advocate for a political agenda and some will.

drlorentz

Clark Judge:

...

But my question here is, can climate change be the only area in which science has been corrupted by politics and money?

Of course not. All things are in danger of corruption by politics and money. Scientists are people, subject to the same temptations and foibles as everyone else. Politics is the problem, not science.

Now consider the suggested fixes:

Shouldn't it be required, for example, that findings be independently replicated

Science is all about the replication of results. That's why there are scientific journals in which methods and results are published. Imperfect though it may be, it is far more honest and transparent than the political process.

[Shouldn't it be required] that data generated at public institutions be publicly shared

Generally, it is (see previous). Not only that, many journal articles produced with public funds are available for free.

[Shouldn't it be required] that data showing an absence of correlations and test results that disprove or call into question theories have places where they can be published

What do you think goes on in scientific journals?

Shouldn't it be required that pundits understand the scientific method and process before pontificating?

drlorentz

Barkha Herman

Denise McAllister:

...

The whole "Vote with your lady parts" offended me to no end, and it really, really offended/upset me that so many women actually fell for it! I agree, Barkha, the thinking train is off the tracks, and we need to get it back in line with freedom principles. I love what you're doing, you know that. And I support you. I don't expect you to fight the social issues fight. You don't need to. But, somehow, and in addition to what you're doing, I do want to counter this "lady parts voting" thing. It drives me nuts. · 

Indeed.  I wrote a thread about it once... :-D · 2 hours ago

How about this slogan:

Vote with your brain, not with your vag.

drlorentz

DocJay

Best bet IMO is a full frontal attack on Hilary Clinton over Benghazi.  

The words "full frontal" and Hillary Clinton" should not be in the same sentence. It will give me nightmares for a week.

Re: May Day

drlorentz

For some, May Day celebrates the coming socialist workers' utopia. For me, it means maypoles and pagan fertility rites. My vision is more fun.

drlorentz

Car navigation systems, especially with voice: nagivators. Can also be used for back-seat drivers.

My personal favorite is snotcicle. My kids love that one. Takes me back to my winters back East.

drlorentz

After reading Troy's post, I thought you might consider subtitling your post Shirking Their Doody.

Just a thought.

drlorentz

Mollie Hemingway, Ed.

Before I respond, it might be helpful for me to know what scholars you've read on this topic. I haven't come across any who argue what you've listed above, but would love to know more about their works -- their published articles or books or what not.

As for a good initial primer on the importance of sexual complementarity to marriage, this would be a great and very easy read (though it's not comprehensive to the arguments in play).

Mollie, please consider that if it takes a 43-page paper to make your case, you've lost the argument with everyone except the policy wonks. You, of all people, should know this. I have yet to see a cogent argument against SSM that does not boil down to "tradition". I'm not arguing against tradition, but that's what most arguments boil down to.

As someone has observed in this thread already, other arguments do lend themselves to concise characterizations. If "tradition" is it, then say so and be done with it. If not, where's the beef?

drlorentz

Sabrdance: ...

We had been having a conversation about Aristotle which she said would never have happened with any of her old friends.  "I just can't get that excited talking about interior decorating," but it fascinated her relatives.

Your student gives city folk too much 'credit'. As a resident of a major metropolitan area, I assure you that interior decorating is far more popular than Aristotle in the city. The nicest thing you can say about urban vs. rural life is that there are more of all kinds of people so you can more easily find those with interests like your own.

I'm not interested in the same things that interest most other folks but that's not a reason to look down on them. Other people have their own talents and virtues. Take it as an opportunity to learn something new. And if you're not interested, find someone else. It's not as if there are no obnoxious bores in academia, e.g., Prof. Zorn.

You could do your young friend a service by pointing this out.

Edit because italics seem to mess up the format.

Edited on April 21, 2013 at 8:14pm
drlorentz
Mark Hemingway: Oh, and don't get too excited Mollie. Amtrak internet is notoriously unreliable. · 0 minutes ago

Not unreliable enough ;)

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