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True facts (Read 2436 times)
Nov 5th, 2012 at 5:18pm

Webb   Offline
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The "Mach" measurement is based on the speed of sound. Mach 2 is twice the speed of sound, mach 3 is tree times the speed, etc. However, sound will travel at different speeds depending on the medium it is passing through. Due to this, the "Mach" number is based on the speed of sound in a vacuum.
 

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Jim
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Reply #1 - Nov 5th, 2012 at 6:50pm

Fozzer   Offline
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Speed of sound in a vacuum:

...."In space, no one can here you scream!"... Smiley...!

Paul... Smiley...!
 

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Reply #2 - Nov 5th, 2012 at 7:05pm

wahubna   Offline
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I am a little confused here because having just finished a year of aerodynamics we never discussed it being defined in a vacuum....or maybe the joke is that this is completely false anyways?  Huh

 

‎"At that time [1909] the chief engineer was almost always the chief test pilot as well. That had the fortunate result of eliminating poor engineering early in aviation."- Igor Sikorsky
...
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Reply #3 - Nov 5th, 2012 at 9:08pm

Webb   Offline
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While most people associate spaghetti with Italy, the spaghetti tree is actually an invasive species originally from China.
 

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Jim
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Reply #4 - Nov 5th, 2012 at 9:21pm

Steve M   Offline
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Webb wrote on Nov 5th, 2012 at 9:08pm:
While most people associate spaghetti with Italy, the spaghetti tree is actually an invasive species originally from China.



Still waiting for the seeds I ordered.  Smiley
 

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Reply #5 - Nov 5th, 2012 at 10:06pm

Ang2dogs   Offline
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Webb wrote on Nov 5th, 2012 at 9:08pm:
While most people associate spaghetti with Italy, the spaghetti tree is actually an invasive species originally from China.


Grin Grin Grin Grin Grin
 
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Reply #6 - Nov 6th, 2012 at 1:27am

COBS   Offline
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Careful when you order the seeds , I wanted tubular spaghetti ,my tree only produces Fettucine .

That's probably why they say the Chinese are inscrutible , of course I couldn't read the label , so perhaps I planted the seed  upside down .
Cheesy

Karol
 
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Reply #7 - Nov 6th, 2012 at 7:34pm

Webb   Offline
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The historical consensus is that the Battle of Chickamauga never occurred. Due to poor quartermastering, both armies found they were missing a substantial amount of ammunition and couldn't account for its loss. Concerns about being held liable led to a series of covert communications between Generals Bragg and Rosecrans. They agreed to file reports that they had fought a battle, which would account for the missing ammunition. Support for the deception was achieved by various means: reporters wanted an opportunity to file stories, subordinate officers wanted chances for promotions, and the soldiers were bought off with a lottery which allowed several thousand of them to leave the army on the pretense that they had been casualties. The actual outcome of the supposed battle was decided by a coin toss.
 

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Reply #8 - Nov 7th, 2012 at 6:33pm

Webb   Offline
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The inventor of Kleenex called it "tissue" because it sounds like the noise of a sneeze.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #9 - Nov 8th, 2012 at 4:58am

COBS   Offline
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Ah .. tissue !

That's what I love about aviation , you learn something new every day .
Now all I have to do is find a use for all that knowledge.
I did notice with my last sneeze one thing :
1. No double sonic booms , therefore sneeze velocity was sub sonic.

If the speed of sound varies depending on the medium it travels through , I can't help but wonder if it has an affect on the fortune as told by that Fortune teller (medium) , also
if the sonic boom shock wave is greater than M 1.0 would it crack the fortune teller's crystal ball ?
Supersonics could eventually put Fortune tellers out of business and replace them completely by Fortune cookies.

Karol
 
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Reply #10 - Nov 8th, 2012 at 4:10pm

EVVFCX   Offline
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The speed of sound in water is approx 5 times what it is at the surface, this is why you see signs on aquariums not to tap the glass as the shock wave can injure the fish etc.

If I'm under water and scream, it means somebody would hear me 5 time quicker than at the surface: but seeing as I've just screamed underwater: I've just drowned   Huh

Steve
 

May the Mynd be with you.
So far my number of landings either passenger or pilot equal my number of takeoffs, but that is due to change Smiley
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Reply #11 - Nov 8th, 2012 at 6:07pm

Webb   Offline
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Benjamin Franklin invented not only bifocals, but also toast, Christmas socks, the word "has," and those large wooden spoons people hang on their walls.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #12 - Nov 9th, 2012 at 6:18pm

Webb   Offline
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Johannes Kepler was inspired by his mistresses' ample bosom to describe the orbital mechanics of the solar system.
 

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Jim
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Reply #13 - Nov 10th, 2012 at 2:56am

H   Offline
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Webb wrote on Nov 5th, 2012 at 5:18pm:
However, sound will travel at different speeds depending on the medium it is passing through. Due to this, the "Mach" number is based on the speed of sound in a vacuum.
So, you're saying sound has a spiritual air about it and an empty-headed medium is a sound trap?
Huh


Cool
 
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Reply #14 - Nov 10th, 2012 at 3:32am

Fozzer   Offline
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Webb wrote on Nov 9th, 2012 at 6:18pm:
Johannes Kepler was inspired by his mistresses' ample bosom to describe the orbital mechanics of the solar system.


They will be carrying out a practical demonstration on the TV science channel tonight*.... Smiley...!

Make a note... Wink... Wink...!

Paul... Grin...!

* ...maybe...
 

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Reply #15 - Nov 10th, 2012 at 1:46pm

Steve M   Offline
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H wrote on Nov 10th, 2012 at 2:56am:
Webb wrote on Nov 5th, 2012 at 5:18pm:
However, sound will travel at different speeds depending on the medium it is passing through. Due to this, the "Mach" number is based on the speed of sound in a vacuum.
So, you're saying sound has a spiritual air about it and an empty-headed medium is a sound trap?
Huh


Cool




Off topic but I just had a call on my cell phone. He said "Hello is 'H' there" So I said 'yes, H is there because he is not here'. It was a very odd wrong number..  Shocked

(It's true, not a joke.) 
 

...
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Reply #16 - Nov 10th, 2012 at 5:58pm

Webb   Offline
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Mr. Rodgers was a sniper in Vietnam, his arms are covered in tattoos which is why he always wears cardigans on the show.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #17 - Nov 11th, 2012 at 2:46am

H   Offline
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Steve M wrote on Nov 10th, 2012 at 1:46pm:
Off topic but I just had a call on my cell phone. He said "Hello is 'H' there" So I said 'yes, H is there because he is not here'. It was a very odd wrong number...
(It's true, not a joke.)
Strange, if not weird. I haven't been in Canada since the last century, once for a pew delivery/installation in Toronto and once or twice passing through Ontario from Michigan to NewYork.



Cool
 
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Reply #18 - Nov 11th, 2012 at 8:53pm

Webb   Offline
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JFK and Marilyn Monroe were not in fact having an affair, They were simply fellow time travel enthusiasts, which is why both were secretly assassinated.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #19 - Nov 12th, 2012 at 7:52pm

Webb   Offline
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No one knows what the actual lyrics to the songs Louie, Louie and Wooly Bully are.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #20 - Nov 13th, 2012 at 6:50pm

Webb   Offline
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If a bee drinks from a water source, it's safe for humans too.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #21 - Nov 13th, 2012 at 7:05pm

Fozzer   Offline
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Webb wrote on Nov 13th, 2012 at 6:50pm:
If a bee drinks from a water source, it's safe for humans too.


..its bee(n) there before, and survived... Wink..!

Paul.
 

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Reply #22 - Nov 14th, 2012 at 6:22pm

Webb   Offline
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The Eastern rail on North-South train routes is lower in order to counteract the pull of rotation of the Earth.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #23 - Nov 15th, 2012 at 8:42pm

Webb   Offline
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It is a well-known fact that cars driven on even-numbered highways are newer and better maintained than those driven on odd-numbered highways.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #24 - Nov 16th, 2012 at 9:33pm

Webb   Offline
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The office supply store, Staples, is actually named for C.S. (Clive Staples) Lewis.

C.S. Lewis died on November 22, 1963, the same day as Aldous Huxley and John Kennedy.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #25 - Nov 17th, 2012 at 6:37pm

Webb   Offline
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The personal computer was invented in 1921 by Clarence Wingard. He abandoned it because the monitor was prone to breakage by fast typists.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #26 - Nov 18th, 2012 at 7:41pm

Webb   Offline
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It is not true that the bra was invented by Otto Titzling, the flush toilet by John Crapper, or the guillotine by Doctor Joseph-Ignace Guillotin. However it is true that the first commercially successful vulcanized rubber condom was invented by Dick Sheather.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #27 - Nov 19th, 2012 at 6:32pm

Webb   Offline
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I'm sure many of you cooks out there have preserved fruit in a Mason Jar. Common sense would dictate that the process should be called Masoning or perhaps bottling. But it isn't. It's called canning. This is because it is named after Sir George Canning, who invented this method while being the Ambassador to Portugal. He used it to preserve lemons.
 

A bad day at golf is better than a good day at work.

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Jim
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Reply #28 - Nov 24th, 2012 at 1:38am

H   Offline
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Webb wrote on Nov 19th, 2012 at 6:32pm:
I'm sure many of you cooks out there have preserved fruit in a Mason Jar. Common sense would dictate that the process should be called Masoning or perhaps bottling. But it isn't. It's called canning. This is because it is named after Sir George Canning, who invented this method while being the Ambassador to Portugal. He used it to preserve lemons.
Hmmn... that's some jarring information...



Cool
 
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Reply #29 - Nov 24th, 2012 at 2:58pm

Ang2dogs   Offline
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H wrote on Nov 24th, 2012 at 1:38am:
Hmmn... that's some jarring information...


Cool


Grin Grin Grin
 
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