I'm told this month's Mensa publication contains these hoax-related questions allegedly asked by Mensans.

From one person:

1. The tremendous height of the Saturn V launch vehicle was attributed to the amount of fuel needed to escape Earth's gravity. Given the fact that the moon's gravity is 1/6th that of the Earth, you'd need something 1/6th the height of the Saturn V to blast off from the moon. So how did the Eagle lift off?

2. Once achieving escape velocity when leaving the Earth, the Apollo would need to lose 5/6th of its velocity in order to be captured by the moon's gravity and swing into orbit. The spacecraft is moving at a velocity that prevents the Earth's gravity from pulling it back down - so unless they "put on the brakes" they certainly aren't going to be captured by the moon's gravity. However, all three stages of the Saturn V had been dropped - only the LEM remained.

3. How do humans survive at the top of a rocket? The space shuttle is fairly well isolated from the heat of its boosters, but no so with Saturn and its command module. At launch they had to spray lots of water on the launch pad to keep the concrete from cracking. Metal is a great conductor of heat. What kept the astronauts cool? Did they have a zillion air conditioners in the command module?

And from a different person:

4. Since studies estimate that the walls of the Apollo craft would have to be between six to eight inches thick with lead, how did we manage to send our astronauts through the Van Allen radiation belts without them receiving lethal doses of radiation? The Apollo craft walls were merely millimeters thick.

Isn't Mensa supposed to be an organization for smart people?

I.Q. is like the numbers on a measuring cup. The numbers show only the capacity. Also, quality is at least as important as quantity. A bucket full of mud is still full of mud.

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Any day you wake up on "the right side of the dirt" is a good day.

T. Anderson

I'm sure I'm preaching to the choir here, but I have got to respond to some of this nonsense.

This is a total non sequitur. The Saturn V is so big because it needs to send a huge amount of payload (its third stage and the command and lunar modules) to the moon. Even a rocket as small as a Delta is capable of giving its payload escape velocity.

The lunar module, on the other hand, only needs to deal with its upper stage and only needs to get that into lunar orbit, not out of lunar orbit.

First off, it's not true that only the LM (the correct acronym) remained: the command and service modules were along, too. Second, the spacecraft was significantly slowed down by earth's gravity since the force that sent it outward was only slightly more than the minimum needed to get it to the moon. Thus, the service module engine was quite capable of "putting on the brakes."

By the same reasoning, a guy operating a blowtorch or a flamethrower has serious problems. Simply, the heat is being thrown out away from the spacecraft, not towards it.

I won't even bother to mention the millions of pounds of cryogenic liquids between the first stage engines and the spacecraft - I think the greater issue would be how to keep the astronauts warm under the circumstances, not cold.

My membership in Mensa lasted less than one year, precisely because of the climate at the meetings. After a while it became apparent to me that these were people so stuck on their self-perception of intelligence in some areas that they were blinded to their ignorance in others. They'd go around confidently expounding utter nonsense just because they didn't want to admit ignorance of a pertinent fact.

What's the line from The Englishman Who Went Up A Hill And Came Down A Mountain? "We may be twp (i.e., stupid), but we're not so twp that we don't know we're twp."

Some of these people are precisely the type who can talk for three hours about hyperspatial manifolds and Grand Unification, and then go out and put oil in their car radiators.

Wasn't it an episode of Frasier where he took a date to a plane'arium*, but there was a group from Mensa there who kept asking the presenter questions to which the answer was "Uranus," ("Are any other planets similar in size and composition to Neptune?" "Yes, Neptune is similar in size and composition to Uranus.") and giggling like little kids?

*That's a planetarium, for those of you who don't watch South Park. Ever since seeing that particular episode, I simply cannot pronounce the "t" in that word!

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SeanF

"Ask to understand, but don't challenge unless you have the knowledge."--NEOWatcher

The contents of this post are ©2008 by SeanF and may not be copied or retransmitted in any form without the express written consent of SeanF

My wife was a Mensa member for a little while and took me to meetings, and that's about the sense of humor I remember encountering, except their favorite phrase was "joint meeting," which they accompanied with puffing on an imaginary, um, cigarette.

Okay, I'll just take this apart piece by piece and sell it on as the scrap it is.
(here's guessing this board supports UBB code)
Bear in mind that one extra pound of weight means 40lb of fuel. More fuel is more weight.
Earth is bigger than the moon. Eagle had to reach Lunar Orbit. SaturnV had to reach Earth orbit (and cope with atmospheric drag) and also then ESCAPE from Earth orbit. Eagle did not.
LEM + Command Module + Service Module.
Recap basic Newtonian physics. You're making these up and claiming false authority.
What metal? The half a foot of metal that wasn't even solid? And pray explain how the ceramic engine nozzles were going to conduct heat to the metal?

And from a different person:
No studies indicated that. That's a lie. Like I said, this is all made up. The Van Allen belts are thickest at the poles. Apollo escaped pretty close to the equator for this reason. At the poles, they are also more energetic. At the equator, they're mainly beta particles and alpha particles. An inch of aluminium will stop all beta particles. A sheet of paper does the same to alpha particles. Apollo had not millimeters (how can a few mm of metal support it's own weight?) but inches. Like I say, this is all made up.

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"We want a few mad people now. See where the sane ones have landed us!" - George Bernard Shaw

I think the air resistance must be huge. A cyclist going 20 mph expends 90% of his or her energy overcoming are resistance. Of course cyclists don't have to overcome gravity (I refuse to cycle uphill) but I'd still wager that air resistance will be significant.

A cigarette with certain select herbs inside, for flavour of course.

Oh my, I didn't know Mensa was so low-brow. This is even worse than those South Park Mensa-Uranus jokes.

I guess it's as someone said it's quantity not quality, to them a tanker of sewers liquid and that slime that drips below dumps is better than a glass of water. Their choice, I know which one I'd choose though.

This list of question confirms my rather low opinion of Mensa. My one brush with them came when I lived in Chicago. The guy in the apartment across from mine was a member. When he found my IQ to be above their threshold he invited me to a meeting. My observation was, most of them would have had to get smarter to be blathering morons. About half were 10 pound of ego in a 5 pound bag and spent the evening trying to intelectually humilliate everyone else.

But other than that, I had a great time! I Didn't join.

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It's just one of those damn things of which there are many few. -- Dan Blocker

As I've mentioned elsewhere on this forum, Ralph Rene was a Mensan, before they kicked him out. Rene is one of the moon hoax "experts", having written a book where he smugly points out all the allegedly fatal flaws in the Apollo program. Mensa disowned him after he wrote a book in which he claimed, despite any relevant education on his part, that both Einstein and Newton were charlatan physicists.

Question 4 applies to Rene's major thesis, which is that the radiation in the Van Allen belts and beyond would have cooked the astronauts instantly.

Who was it who said, "I would never belong to an organization that would have me as a member"?

My favorite quote relating to Mensa comes from Will Rogers: "We're all ignorant. We're just ignorant about different things."

Groucho Marx. But it was probably originated by one of his writers.

In the interest of completeness, the entire line (as given by a couple of Groucho Web Sites) was, "I sent the club a wire stating, 'Please accept my resignation.' I don't want to belong to any club that will accept me as a member."



<font size=-1>[ This Message was edited by: The Bad Astronomer on 2001-11-15 21:43 ]</font>

David-- I edited the post a bit; it got bollixed up. I hope that's okay.

Mensa continues to prove Bailey's Second Law; There is no relationship between the three virtues of intelligence, education, and wisdom.

I have taken Mensa's tests and passed with flying colours, but see no reason to join. I've met Mensa members who couldn't change a fuse if their life depended on it.

Oh, by the way, my first law is;

Necessity may be the mother of invention, but laziness is usually the father.

Dave Bailey, aka The Rat

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Bailey’s second law; There is no relationship between the three virtues of intelligence, education, and wisdom.

Thickest at the poles? Are you sure? I don't know a whole lot about it, but all of the pictures I've seen of the Van Allen belts are, well, belts. As in, around the equator. And since they're held there and energized by the Earth's magnetic field, I would think that at the poles any energetic particles would spiral down and cause aurorae, though I'm not an expert on that either.

I think a conical rocket made out of smooth metal is a bit more aerodynamic than a cyclist. And it would also get above most of the atmosphere pretty quickly, as in before the first stage seperated. So air resistance is still a factor, but it hardly uses up 90% of the energy.

That's good, Rat. [img]/phpBB/images/smiles/icon_smile.gif[/img] Mind if I take it? [img]/phpBB/images/smiles/icon_confused.gif[/img]

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"You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep seated need to believe." [Carl Sagan]

Go ahead. Just call it 'Bailey's first law'

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Bail