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November 2010

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Subject:
From:
Bob Landman <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Bob Landman <[log in to unmask]>
Date:
Wed, 10 Nov 2010 16:18:49 -0500
Content-Type:
text/plain
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text/plain (125 lines)
This is a keeper!

Bob

Sent from my iPhone

On Nov 10, 2010, at 10:02 AM, Jack Olson <[log in to unmask]> wrote:

> Do you start feeling lonely when your mailbox drops below 200 per week?
> I will fill it with this, hope it helps....
> 
> -=-=-=-
> 
> T H E   H I S T O R Y   O F   E L E C T R I C I T Y
> 
> Today's scientific question is: What in the world is electricity?
> And where does it go after it leaves the toaster?
> 
> Here is a simple experiment that will teach you an important electrical lesson:  
> On a cool, dry day, scuff your feet along a carpet, then reach your hand into a 
> friends mouth and touch one of his dental fillings. Did you notice how your 
> friend twitched violently and cried out in pain? This teaches us that electricity 
> can be a very powerful force, but we must never use it to hurt others unless 
> we need to learn an important electrical lesson.
> 
> It also teaches us how an electrical circuit works. When you scuffed your feet, 
> you picked up batches of "electrons," which are very small objects that carpet 
> manufacturers weave into carpet so that they will attract dirt. The electrons 
> travel through your bloodstream and collect in your finger, where they form a 
> spark that leaps to your friends filling, then travel down to his feet and back 
> into the carpet, thus completing the circuit.
> 
> AMAZING ELECTRONIC FACT: If you scuffed your feet long enough without 
> touching anything, you would build up so many electrons that your finger would 
> explode!
> But this is nothing to worry about... unless you have carpeting.
> 
> Although we modern persons tend to take our electric lights, radios, mixers, 
> etc. for granted. Hundreds of years ago people did not have any of these 
> things, which is just as well because there was no place to plug them in. Then 
> along came the first Electrical Pioneer, Benjamin Franklin, who flew a kite in a 
> lightning storm and received a serious electrical shock. This proved that 
> lightning was powered by the same force as carpets, but it also damaged 
> Franklin's brain so severely that he started speaking only in incomprehensible 
> maxims, such as, "A penny saved is a penny earned."  Eventually he had to be 
> given a job running the post office.
> 
> After Franklin came a herd of Electrical Pioneers whose names have become 
> part of our electrical terminology:  Myron Volt, Mary Louise Amp, James Watt, 
> Bob Transformer, etc. These pioneers conducted many important electrical 
> experiments - - Among them, Galvani discovered (this is the truth) that when 
> he attached two different kinds of metal to the leg of a frog, an electrical 
> current developed and the frog's leg kicked, even though it was no longer 
> attached to the frog, which was dead anyway.  Galvani's discovery led to 
> enormous advances in the field of amphibian medicine. Today, skilled veterinary 
> surgeons can take a frog that has been seriously injured or killed, implant 
> pieces of metal in its muscles, and watch it hop back into the pond just like a 
> normal frog, except for the fact that it sinks like a stone.
> 
> But the greatest Electrical Pioneer of them all was Thomas Edison, who was a 
> brilliant inventor despite the fact that he had little formal education and lived in 
> New Jersey. Edison's first major invention in 1877 was the phonograph, which 
> could soon be found in thousand of American homes, where it basically sat until 
> 1923, when the record was invented. But Edison's greatest achievement came 
> in 1879 when he invented the electric company.
> Edison's design was a brilliant adaptation of the simple electrical circuit: the 
> electric company sends electricity through a wire to a customer, then 
> immediately gets the electricity back through another wire, then (this is the 
> brilliant part) sends it right back to the customer again.
> 
> This means that an electric company can sell a customer the same batch of 
> electricity thousands of times a day and never get caught, since very few 
> customers take the time to examine their electricity closely. In fact, the last 
> year any new electricity was generated was 1937; the electric companies have 
> been merely re-selling it ever since, which is why they have so much time to 
> apply for rate increases.
> 
> Today, thanks to men like Edison and Franklin, and frogs like Galvani's, we 
> receive almost unlimited benefits from electricity. For example, in the past 
> decade scientists have developed the laser, an electronic appliance so powerful 
> that it can vaporize a bulldozer 2000 yards away, yet so precise that doctors 
> can use it to perform delicate operations to the human eyeball, provided they 
> remember to change the power setting from  "Vaporize Bulldozer" to "Delicate."
> 
> -=-=-=-
> 
> surfin' the learnin' curve,
> Jack
> 
> 
> .
> 
> On Tue, 9 Nov 2010 19:17:02 +0100, Inge <[log in to unmask]> 
> wrote:
> 
>> Hi, someone there? Only  two mails in one week. Is there a technical
>> problem?
>> /Inge
> 
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