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1 of 4 Americans don't know ... by Wichita
Started on: 02-14-2014 01:40 PM
Replies: 70
Last post by: TheDigitalAlchemist on 02-18-2014 05:20 PM
Wichita
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Report this Post02-14-2014 01:40 PM Click Here to See the Profile for WichitaSend a Private Message to WichitaDirect Link to This Post
The Earth revolves around the Sun. Half of Americans don't even know humans evolved from earlier species.


http://www.breitbart.com/sy...76-8ab6-c6146611c372
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Report this Post02-14-2014 01:59 PM Click Here to See the Profile for Formula88Send a Private Message to Formula88Direct Link to This Post


An excellent talk on Intelligent Design and humans at the limits of their understanding.
He closes with an interesting point. 85% of the National Academy of Science rejects the idea of God. These are the brightest minds of our time. But that's not the story. Tyson asks, why do 15% of these brilliant people NOT reject the idea?

What the public knows or believes can be a wild card, but when even your most learned and gifted don't agree, that's the real discussion. As Tyson asks, why is that number 15% and not 0? There's your story.
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Report this Post02-14-2014 02:02 PM Click Here to See the Profile for Marvin McInnisClick Here to visit Marvin McInnis's HomePageSend a Private Message to Marvin McInnisDirect Link to This Post
Here's another simple 13-question science quiz from The Smthsonian Institution and The Pew Research Center. It's hard to believe that 80% of Americans don't know the predominate element comprising ~80% of the Earth's atmosphere. Anyone who doesn't get all 13 out of 13 questions right needs to go back to high school (or junior high) and retake the introductory general science class.

[This message has been edited by Marvin McInnis (edited 02-14-2014).]

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TheDigitalAlchemist
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Report this Post02-14-2014 02:15 PM Click Here to See the Profile for TheDigitalAlchemistClick Here to visit TheDigitalAlchemist's HomePageSend a Private Message to TheDigitalAlchemistDirect Link to This Post
That is really really sad.

Wonder how most science teachers would fare on that exam...


But if it's one thing we REALLY need to do is to inform kids (and young adults) That they aren't so damn smart, just because they can Google, or know "gossip" news.

Not that I know what's actually important, but I know damn sure what's NOT...

edit: 13/13. (thank god)

[This message has been edited by TheDigitalAlchemist (edited 02-14-2014).]

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Report this Post02-14-2014 02:15 PM Click Here to See the Profile for lurkerSend a Private Message to lurkerDirect Link to This Post
 
quote
Originally posted by Marvin McInnis:

Here's another simple 13-question science quiz from [URL=http://www.smithsonianmag.com/innovation/how-much-do-americans-know-about-science-27747364/]



'murica.
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Report this Post02-14-2014 02:16 PM Click Here to See the Profile for heybjornSend a Private Message to heybjornDirect Link to This Post
I thought all the nitrogen was in tires. You mean it isn't? Only one I missed. It has been a long time since anyone asked.
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Report this Post02-14-2014 02:22 PM Click Here to See the Profile for Formula88Send a Private Message to Formula88Direct Link to This Post
Ok, 13 out of 13. I almost missed the age question, though.
According to the test results, only 7% of the people who took it got all of them right.

[This message has been edited by Formula88 (edited 02-14-2014).]

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Report this Post02-14-2014 02:30 PM Click Here to See the Profile for Tony KaniaSend a Private Message to Tony KaniaDirect Link to This Post
I answered all correctly. Thank you Mr. Hall! (My 7th grade Science teacher.)
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theBDub
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Report this Post02-14-2014 02:34 PM Click Here to See the Profile for theBDubSend a Private Message to theBDubDirect Link to This Post
Since the article lacked any sources, I went hunting. I saw a difference picture.

Twenty questions used a true-or-false format. These
included:

(1) “Hot air rises” (T)
Europe correct: 91%, United States correct: 95%

(2) “The continents have been moving for millions of years and will continue to move in the future” (T)
Europe correct: 86%, United States correct: 80%

(3) “The oxygen we breathe comes from plants” (T)
Europe correct: 83%, United States correct: 94%

(4) “The gene is the basic unit of heredity of living beings” (T)
Europe correct: 82%, United States correct: 82%

(5) “Earth’s gravity pulls objects towards it without being touched” (T)
Europe correct: 79%, United States correct: 80%

(6) “Energy cannot be created or destroyed, but only changed from one form to another” (T)
Europe correct: 66%, United States correct: 80%

(7) “Almost all microorganisms are harmful to human beings” (F)
Europe correct: 63%, United States correct: 56%

(8) “Generally speaking, human cells do not divide” (F)
Europe correct: 63%, United States correct: 58%

(9) “The earliest humans lived at the same time as the dinosaurs” (F)
Europe correct: 61%, United States correct: 43%

(10); “Plants have no DNA” (F)
Europe correct: 60%, United States correct: 64%

(11); “The greenhouse effect is caused by the use of nuclear power” (F)
Europe correct: 58%, United States correct: 47%

(12) “All radioactivity is a product of human activity” (F)
Europe correct: 56%, United States correct: 62%

(13) “Ordinary tomatoes, the ones we normally eat, do not have genes, whereas genetically engineered tomatoes do” (F)
Europe correct: 54%, United States correct: 48%

(14) “It is the father’s gene that determines a newborn baby’s sex, whether it is a boy or a girl” (T)
Europe correct: 52%, United States correct: 75%

(15) “Lasers work by sound waves” (F)
Europe correct: 48%, United States correct: 54%

(16) “The light that reaches the Earth from the sun is made up of a single color: white” (F)
Europe correct: 44%, United States correct: 55%

(17) “Today it is not possible to transfer genes from humans to animals” (F)
Europe correct: 41%, United States correct: 43%

(18) “Atoms are smaller than electrons” (F)
Europe correct: 38%, United States correct: 50%

(19) “Antibiotics destroy viruses” (F)
Europe correct: 36%, United States correct: 47%

(20) “Human stem cells are extracted from human embryos without destroying the embryos” (F)
Europe correct: 29%, United States correct: 54%

Average:
Europe: 59%, United States 63.35%


Two additional questions used a multiple choice format. These asked about:

(21) whether the sun moves around the Earth, whether the Earth moves around the sun (correct), or neither the sun nor the Earth moves
Europe correct: 80%, United States correct: 82%

(22) whether light travels faster than sound (correct), sound travels faster than light, or whether they travel at equal speed
Europe correct: 74%, United States correct: 78%

It looks like we're getting better...



... Maybe not in biology though.



Graphic of the above plus and minus a few data.



This was nice to see:
EDIT: Because I expected it to be more people wanting faith than science.



Source:
http://www.nsf.gov/statisti...nt/chapter-7/c07.pdf

[This message has been edited by theBDub (edited 02-14-2014).]

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theBDub
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Report this Post02-14-2014 02:37 PM Click Here to See the Profile for theBDubSend a Private Message to theBDubDirect Link to This Post

theBDub

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quote
Originally posted by Marvin McInnis:

Here's another simple 13-question science quiz from The Smthsonian Institution and The Pew Research Center. It's hard to believe that 80% of Americans don't know the predominate element comprising ~80% of the Earth's atmosphere. Anyone who doesn't get all 13 out of 13 questions right needs to go back to high school (or junior high) and retake the introductory general science class.



My only gripe with that quiz, is that we frack for oil and gas, not just gas.

EDIT: I got 13/13, I'm just saying that I didn't like the question. It still works because we don't frack for coal, et al. I just don't like it.

[This message has been edited by theBDub (edited 02-14-2014).]

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Report this Post02-14-2014 02:39 PM Click Here to See the Profile for GTGeffSend a Private Message to GTGeffDirect Link to This Post


12 /13 Missed the Nitrogen question ...... Duh! I was absent that day. And apparently today also.
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Report this Post02-14-2014 02:44 PM Click Here to See the Profile for TheDigitalAlchemistClick Here to visit TheDigitalAlchemist's HomePageSend a Private Message to TheDigitalAlchemistDirect Link to This Post
 
quote
Originally posted by GTGeff:
12 /13 Missed the Nitrogen question ...... Duh! I was absent that day. And apparently today also.


Wish it was N2O...

Then we'd all be happy.
Even as the large carnivores eated us all up.
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Report this Post02-14-2014 02:55 PM Click Here to See the Profile for BoostdreamerSend a Private Message to BoostdreamerDirect Link to This Post
13/13 (even if I disagree with one of the questions. I know what is believed and taught) Science class, science answers.

I don't really understand the nitrogen tire inflation thing. From what I know, the benefit is that nitrogen is a larger atom and it is less likely to leak through rubber. Also that nitrogen is supposed to keep tire temperatures down. Maybe so. I can understand both.

But the fact remains, regular old atmospheric air is already 79% nitrogen. Just how much better is pressure retention and temperature control with an additional 21% of nitrogen? Is this a real deal or a snake oil thing?
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Report this Post02-14-2014 03:23 PM Click Here to See the Profile for PyrthianSend a Private Message to PyrthianDirect Link to This Post
I'd love to see those same stats translated to less vague regions than "Europe" and "United States"
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Report this Post02-14-2014 03:50 PM Click Here to See the Profile for theBDubSend a Private Message to theBDubDirect Link to This Post
 
quote
Originally posted by Pyrthian:

I'd love to see those same stats translated to less vague regions than "Europe" and "United States"


I don't believe the sample sizes are large enough to do that.
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Report this Post02-14-2014 04:16 PM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneDirect Link to This Post
 
quote
Originally posted by GTGeff:
12 /13 Missed the Nitrogen question ...... Duh! I was absent that day. And apparently today also.

I almost did. Read it right but was thinking "most abundant element in the universe". Had to think a second.

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Report this Post02-14-2014 04:17 PM Click Here to See the Profile for heybjornSend a Private Message to heybjornDirect Link to This Post
 
quote
Originally posted by Boostdreamer:

From what I know, the benefit is that nitrogen is a larger atom and it is less likely to leak through rubber.



That explains why tires go flat over night, every night. Don't you hate that? Linda leaves for work at 5:30. I have to be up at 4;30 to fill her car tires with regular old air.


 
quote
Also that nitrogen is supposed to keep tire temperatures down. Maybe so. I can understand both.

But the fact remains, regular old atmospheric air is already 79% nitrogen. Just how much better is pressure retention and temperature control with an additional 21% of nitrogen? Is this a real deal or a snake oil thing?


Snake oil, expensive snake oil.



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Report this Post02-14-2014 05:30 PM Click Here to See the Profile for FrugalFieroDirect Link to This Post
 
quote
Originally posted by heybjorn:
Snake oil, expensive snake oil.


Text from the above quoted website: The "nitrogen upgrade" was a $69 item on the supplemental window sticker. Another forum member later posted that his dealer was charging $179 for this same "upgrade."

Any dealer wishing to charge me for nitrogen filled tires on a vehicle purchase would find me walking out their door.

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Report this Post02-14-2014 05:38 PM Click Here to See the Profile for rogergarrisonSend a Private Message to rogergarrisonDirect Link to This Post
I mentioned it before, but one of my old friends emphatically believed the earth was only 2,000 years old and dinosaurs only died out just before the middle ages in Europe. He thought evolution of man was preposterous.
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Report this Post02-14-2014 05:54 PM Click Here to See the Profile for drattsSend a Private Message to drattsDirect Link to This Post
 
quote
Originally posted by Tony Kania:

I answered all correctly. Thank you Mr. Hall! (My 7th grade Science teacher.)


I couldn't remember whether it was the fathers or the mothers gene that determines the sex of the fetus. 50/50 chance that I would have been 100% on all of them.
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Report this Post02-14-2014 07:49 PM Click Here to See the Profile for Red88FFSend a Private Message to Red88FFDirect Link to This Post
The way it was explained to me is the nitrogen does not expand and contract due to temp changes like "regular air" does, or at least is not as much. So just more stable and less hassle. Never heard of it controlling temperature. I use air myself.
Heh, if you have a leak in your tire you have a problem that needs attention. I find it hard to believe that the molecule is going to slow it down any.
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Report this Post02-14-2014 08:09 PM Click Here to See the Profile for Tony KaniaSend a Private Message to Tony KaniaDirect Link to This Post
Just finished watching "Questioning Darwin" on HBO. I found myself yelling at my own damn TV!

"Man and ALL dinosaurs were vegetarians until the "Ultimate Sin."

"Dinosaurs walked with man."

"Dinosaurs were on the ark."

"The Earth is 6,000 years old."

"The reason we can see the light from a star 50,000,000 light years away, is because god wants us to see his creations."

"Etc..."



The underlying determining factor was "faith". Faith was the answer to many of the questions. Not facts, but faith.

[This message has been edited by Tony Kania (edited 02-14-2014).]

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Report this Post02-14-2014 08:24 PM Click Here to See the Profile for heybjornSend a Private Message to heybjornDirect Link to This Post
 
quote
Originally posted by Red88FF:

The way it was explained to me is the nitrogen does not expand and contract due to temp changes like "regular air" does, or at least is not as much.


I forgot to say anything about expansion when air in tires gets hot. Drive 75 miles down here in late July or August the tires expand so much they look like Oprahs' butt. I am afraid they will all blow up at the same time and shoot the car up in the air. Going to get the air replaced in the morning.

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Report this Post02-14-2014 08:27 PM Click Here to See the Profile for ls3machSend a Private Message to ls3machDirect Link to This Post
 
quote
Originally posted by Wichita:

The Earth revolves around the Sun. Half of Americans don't even know humans evolved from earlier species.


http://www.breitbart.com/sy...76-8ab6-c6146611c372


Michael Savage was discussing this topic today. REALLY put me out he didn't mention a thing about evolving from other species. I wanted to call in and address that, but we have dinner reservations in a bit and I had to wash the new sheets I got her before she got here. No time for waiting on hold.
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Report this Post02-14-2014 08:28 PM Click Here to See the Profile for ls3machSend a Private Message to ls3machDirect Link to This Post

ls3mach

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Member since Mar 2002
 
quote
Originally posted by Wichita:

The Earth revolves around the Sun. Half of Americans don't even know humans evolved from earlier species.


http://www.breitbart.com/sy...76-8ab6-c6146611c372


Michael Savage was discussing this topic today. REALLY put me out he didn't mention a thing about evolving from other species. I wanted to call in and address that, but we have dinner reservations in a bit and I had to wash the new sheets I got her before she got here. No time for waiting on hold.
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Report this Post02-14-2014 08:49 PM Click Here to See the Profile for TheDigitalAlchemistClick Here to visit TheDigitalAlchemist's HomePageSend a Private Message to TheDigitalAlchemistDirect Link to This Post
 
quote
Originally posted by ls3mach:


Michael Savage was discussing this topic today. REALLY put me out he didn't mention a thing about evolving from other species. I wanted to call in and address that, but we have dinner reservations in a bit and I had to wash the new sheets I got her before she got here. No time for waiting on hold.


Probably because he doesn't believe we did. I like some of what he says, but he sometimes (often) gets into these areas where It almost hurts to keep listening. Can't put a finger on it ATM.

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Report this Post02-14-2014 09:00 PM Click Here to See the Profile for ls3machSend a Private Message to ls3machDirect Link to This Post
 
quote
Originally posted by TheDigitalAlchemist:


Probably because he doesn't believe we did. I like some of what he says, but he sometimes (often) gets into these areas where It almost hurts to keep listening. Can't put a finger on it ATM.


He accepted and sited the study as "science" yet completely skipped this portion. It was absolutely furthering an agenda, which he often claims he has no intention of doing. Upsetting as I like him and he just got moved to "drive time" in my area.
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Report this Post02-14-2014 09:13 PM Click Here to See the Profile for williegoatClick Here to visit williegoat's HomePageSend a Private Message to williegoatDirect Link to This Post
 
quote
Originally posted by heybjorn:

I thought all the nitrogen was in tires. You mean it isn't? Only one I missed. It has been a long time since anyone asked.

I used to work with a guy who swore the dealer was filling his tires with hydrogen.
Me: “Ray, I think you mean nitrogen.”
Ray: “No, hydrogen!”
Me: “Are you sure?”
Ray: “Yes, of course!”
Me: “Ray, please don't park next to me, OK?”

Of, course Ray also told me that the U.S. Constitution would fill an entire room and take far too long to read. I printed him a copy.

I am amazed he found his way home at night.
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Report this Post02-14-2014 09:16 PM Click Here to See the Profile for rbell2915Send a Private Message to rbell2915Direct Link to This Post
13/13 and that was the easiest thing I have done educational all day.
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Report this Post02-14-2014 10:31 PM Click Here to See the Profile for Marvin McInnisClick Here to visit Marvin McInnis's HomePageSend a Private Message to Marvin McInnisDirect Link to This Post
 
quote
Originally posted by Red88FF:

The way it was explained to me is the nitrogen does not expand and contract due to temp changes like "regular air" does, or at least is not as much.



Nitrogen, like all of the other gases in the atmosphere, behaves according to the Ideal Gas Law: pv = nRT (at least at reasonable temperatures and pressures).

Nitrogen expands with temperature just the same as oxygen, or any mixture of the two, or dry air. The presence of water vapor in air (or in nitrogen, for that matter) can be problematic, though, since it is condensable at ordinary ambient temperatures and pressures. Actually, that is the primary advantage of using nitrogen rather than locally-compressed air: the bottled nitrogen is "dry" ... i.e. guaranteed to be free of water.

[This message has been edited by Marvin McInnis (edited 02-15-2014).]

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Report this Post02-15-2014 08:14 AM Click Here to See the Profile for heybjornSend a Private Message to heybjornDirect Link to This Post
 
quote
Originally posted by williegoat:

I used to work with a guy who swore the dealer was filling his tires with hydrogen.
Me: “Ray, I think you mean nitrogen.”
Ray: “No, hydrogen!”
Me: “Are you sure?”
Ray: “Yes, of course!”
Me: “Ray, please don't park next to me, OK?”


He got better mileage than you, though, because of that lighter than air thing.

[This message has been edited by heybjorn (edited 02-15-2014).]

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Report this Post02-15-2014 11:35 AM Click Here to See the Profile for BlacktreeClick Here to visit Blacktree's HomePageSend a Private Message to BlacktreeDirect Link to This Post
 
quote
Originally posted by Marvin McInnis:

Here's another simple 13-question science quiz from The Smthsonian Institution and The Pew Research Center. It's hard to believe that 80% of Americans don't know the predominate element comprising ~80% of the Earth's atmosphere. Anyone who doesn't get all 13 out of 13 questions right needs to go back to high school (or junior high) and retake the introductory general science class.

The scary part is that a few people managed to get all of them wrong!

I noticed some interesting trends in that quiz. For example, the scores correlated with education level (i.e. more education = better score). And I noticed that females scored better in the healthcare related questions, but males scored better in all the rest.

So much for that stereotype about Europeans being smarter than Americans, huh?
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Report this Post02-15-2014 11:42 AM Click Here to See the Profile for doublec4Send a Private Message to doublec4Direct Link to This Post
13/13

I was expecting something more challenging I guess.
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Report this Post02-15-2014 02:24 PM Click Here to See the Profile for Jake_DragonSend a Private Message to Jake_DragonDirect Link to This Post
You scored better than 93% of the public and the same as 7%.

Wahoo

This images is larger than 153600 bytes. Click to view.
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Report this Post02-15-2014 02:30 PM Click Here to See the Profile for KhwSend a Private Message to KhwDirect Link to This Post
 
quote
Originally posted by doublec4:

13/13

I was expecting something more challenging I guess.


Same here.
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Report this Post02-15-2014 02:44 PM Click Here to See the Profile for yellowstoneSend a Private Message to yellowstoneDirect Link to This Post
 
quote
Originally posted by Marvin McInnis:

Here's another simple 13-question science quiz from The Smthsonian Institution and The Pew Research Center.



13/13
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Report this Post02-15-2014 02:45 PM Click Here to See the Profile for rogergarrisonSend a Private Message to rogergarrisonDirect Link to This Post
Something in Nascars confused me. They went to nitrogen in tires instead of air because it didnt expand at all when heated..which made sense. BUT, when you listen to any race, you hear them always talking about the tires havent come up to temp yet and the front end is hitting the pavement. I know as a former driver myself, tires work better when hot because the rubber compound itself grips better hot. Thats a complete different issue from tires expanding when hot. So it cant be both ways...either they use nitrogen and the temp dont affect the size or it does (so why use it), or they use air and it does.
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Blacktree
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Report this Post02-15-2014 03:37 PM Click Here to See the Profile for BlacktreeClick Here to visit Blacktree's HomePageSend a Private Message to BlacktreeDirect Link to This Post
Marvin explained it in his last post. Scroll up.
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Marvin McInnis
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Report this Post02-15-2014 03:40 PM Click Here to See the Profile for Marvin McInnisClick Here to visit Marvin McInnis's HomePageSend a Private Message to Marvin McInnisDirect Link to This Post
 
quote
Originally posted by rogergarrison:

They went to nitrogen in tires instead of air because it didnt expand at all when heated..which made sense.



As stated above, that's incorrect. Nitrogen expands exactly the same as air when heated.

One reason to use pure nitrogen in a race car is that its density is slightly less than air. At standard conditions (68° F, 14.7 psia) the density of pure nitrogen is 0.0781 lbs per cubic foot, vs. dry air at 0.0806 lbs per cubic foot. Stated another way, pure nitrogen is about 3% less dense (i.e. lighter) than dry air. The lower density of nitrogen will result in slightly lower rotational inertia (i.e. flywheel effect) of the wheel/tire assemblies. The difference probably wouldn't be measurable in a street car, but it might on a race track ... where the engineers and crew struggle with differences in hundredths of a percent to gain competitive advantage.

[This message has been edited by Marvin McInnis (edited 02-15-2014).]

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Patrick
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Report this Post02-15-2014 04:05 PM Click Here to See the Profile for PatrickSend a Private Message to PatrickDirect Link to This Post
 
quote
Originally posted by theBDub:

“The earliest humans lived at the same time as the dinosaurs” (F)
Europe correct: 61%, United States correct: 43%]


...

I'm not sure whether to laugh or shake my head at that. Rather sad.
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