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 Post subject: Re: Trivia time!
PostPosted: Mon Aug 03, 2015 3:57 pm 
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Mobo-fu Master
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We all know about being 'weightless' in the International Space Station. But at 30,000 feet, where most commercial airlines fly, would a person be of less weight than standing on Earth at sea level?

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 Post subject: Re: Trivia time!
PostPosted: Tue Aug 04, 2015 6:48 am 
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Black Belt
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30000 FT is almost the limit of the atmosphere (11 km), the air is poor and because of that the planes have to be presurized inside. So if U put the person outside the plane it will be of less weight than standing on Earth at sea level

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 Post subject: Re: Trivia time!
PostPosted: Tue Aug 04, 2015 7:44 am 
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Mobo-fu Master
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Weight difference would only be a few ounces between sea level and 30,000 feet elevation. Even atop Pike's Peak, there would be a minimal difference in weight. Air itself is part of what keeps us grounded. The more air above you, the more weight (mass) put upon you to keep you on the ground.
Reportedly true also, if you were to be deep within a mine. Equalizing forces of gravity would work on you from other directions.
http://www.ehow.com/info_8442485_happen ... eases.html
http://www.abc.net.au/science/articles/ ... 636714.htm
http://www.nytimes.com/2003/12/23/scien ... eight.html

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 Post subject: Re: Trivia time!
PostPosted: Tue Aug 04, 2015 1:18 pm 
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Black Belt
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There is a funny thing if you were to be deep within a mine, the champagne and other fizzy beverages don´t fizz when u opened, U drink it and when U went back to the earth surface U can experiment a kind of "deep divers bend" than can damage U seriously

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 Post subject: Re: Trivia time!
PostPosted: Thu Aug 13, 2015 5:23 am 
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Which can have access to more "data" or memory storage.. the common computer, or the average human brain?
The human brain can do about 100 million (MIPS) instruction sets per second..
The Intel Core i7 5960X can do 238,310 MIPS at 3.0 GHz with 2.6 billion transistors.
The human brain has over 100 billion neuron cells.
A 64-bit OS can manage 16 exabytes while the average human brain can manage about 2.5 petabytes.
While a computer must 'scan' all its data for results, the data is in the form of hundreds of thousands of "pages".
The human brain has all that data on one page!
https://en.wikipedia.org/wiki/Petabyte
https://en.wikipedia.org/wiki/64-bit_computing
https://en.wikipedia.org/wiki/Instructions_per_second
http://highscalability.com/blog/2012/9/ ... abyte.html
http://www.storagecraft.com/blog/if-the ... d-it-have/
You decide.. and no "two-headed" coin flips!!

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 Post subject: Re: Trivia time!
PostPosted: Fri Sep 04, 2015 3:13 pm 
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Mobo-fu Master
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Mankind has measured distances for centuries. Before the steel tapes we have today, chains and links were used as measuring devices for distance. What is the standard length of a measuring chain? And that of a link?
A 'rod' or 'pole' was also a standard length of measurement.

A "link" is 7.92 inches, and a "chain" is 66 feet. If 25 "links" are used for measuring, that would be 16.5 feet, the length of a "rod". By coincidence, that 66 feet equals 792 inches, so 100 links would make a "chain" length.
https://en.wikipedia.org/wiki/Gunter's_chain
Surveyors had to be a robust type, working with that weighty chain all day!!

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 Post subject: Re: Trivia time!
PostPosted: Tue Sep 08, 2015 6:20 am 
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Black Belt
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It´s very interesting how the measuring systems had evolve with time

even the units still in use have differente basic definitions upon the time for example the metre (meter) had evolve in the following secuence of approaches:

Pendular > Meridional > Prototype metre bar > Number of wavelengths of red-orange emission line of krypton-86 > Distance travelled by light in a specified time !

everything for only 100 centimeters of length :D

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 Post subject: Re: Trivia time!
PostPosted: Mon Sep 28, 2015 3:29 pm 
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Here is a situation that maybe only "old-timers" will recall.
Before the IDE type hard drive, with reluctance (Variable magnetic control) heads positioning, a servo stepper motor controlled where the heads were sent to, for data access. There was a special process required, before shutting down one of those older computers. Only a small command, but was critical. What was that command?

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 Post subject: Re: Trivia time!
PostPosted: Tue Sep 29, 2015 6:34 am 
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Black Belt
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I Think there was a "park" command but i´m not sure if it´s was an MS-DOS command or if it was a driver manufacturer utility

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 Post subject: Re: Trivia time!
PostPosted: Tue Sep 29, 2015 11:14 am 
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Mobo-fu Master
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not native to DOS
https://en.wikipedia.org/wiki/List_of_DOS_commands

I'm old enough to know and started young enough with computers to actually own a drive that needed to be parked still.

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