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TODAY IN HISTORY
WIRELESS TELEPHONE AT WHITE HOUSE
November 21, 1919 - White House, U.S.A.
November 21, 1919 - White House, U.S.A.
President Wilson used a radio telephone set up on the south portico of the White House to direct the maneuvers of a dozen army airplanes flying over the Potomac river several miles away. His telephoned directions went direct to the flight commander in the air. The instrument was similar to those used by American aviators in France in the latter part of World War I. Col. C. C. Culver actively developed the equipment. He began the project in Aug 1910. No new invention was needed, only adaptation and adjustment of existing techniques. By Aug 1916, he was able to send a radio telegraph signal from a plane. Enlisting expert help from the telephone companies, by Oct 1917, voice messages could be send between a plane and the ground. The system was put into service for military wartime use.
EDISON'S PHONOGRAPH
November 21, 1877 - New York City, U.S.A.
November 21, 1877 - New York City, U.S.A.
Thomas Edison announced his invention of his "talking machine" - the tin-foil cylinder recorder that preceeded the phonograph. He appears to have envisioned it as a business dictation machine. In Sep 1877, he wrote that its purpose was "to record automatically the speech of a very rapid speaker upon paper; from which he reproduces the same Speech immediately or years afterwards preserving the characteristics of the speakers voice so that persons familiar with it would at once recognize it." The indented tin foil, however, would survive only a few playings. By the first public showing of a phonograph, which took place in New York City in early Feb 1878, its practical applications had not yet been realized.
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RANDOM QUOTES
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Rules for Happiness
by Immanuel Kant
"...Rules for Happiness: Something to do, Someone to love, Something to hope for...."
by John Adams
"...The Revolution was effected before the War commenced. The Revolution was in the minds and hearts of the people; a change in their religious sentiments of their duties and obligations. This radical change in the principles, opinions, sentiments, and affections of the people, was the real American Revolution...."
RANDOM FACTS
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Salary
about Steve Jobs
Steve Jobs' annual salary was $1, just enough to keep company health benefits.
about Eyesight Myth and Fact
Myth: Staring at a computer screen all day is harmful to the eyes. Fact: Spending the day staring at a screen can tire or strain your eyes, but it will not hurt them. Make sure lighting doesn't create a glare on your screen. When spending long periods at your keyboard, take a break now and then to rest your eyes to reduce fatigue. Also, don't forget to blink. Your eyes need to stay lubricated to feel comfortable.
A Little Mixed Up :
ARTICLE INFORMATION :
Just a line to say I'm living, That I'm not among the dead
Though I'm getting more forgetful And more mixed up in the head.
Though I'm getting more forgetful And more mixed up in the head.
ARTICLE CONTENT :
Just a line to say I'm living, That I'm not among the dead
Though I'm getting more forgetful And more mixed up in the head.
For sometimes I can't remember When I stand at foot of stair, If I must go up for something, Or if I've just come down from there, And before the frig so often My poor mind is filled with doubt Have I just put food away, or Have I come to take some out.
And they're times when it is dark out, With my night cap on my head, I don't know if I'm retiring, Or just getting out of bed So, if it's my turn to write you There's no need of getting sore I may think that I have written, And don't want to be a bore.
So, remember I do love you, And I wish that you were here;
But now it's nearly mail time So I must say "Good-bye, dear."
***************************
There I stood beside the mail box With a face so very red,
Instead of mailing you a letter, I had opened it instead !
Though I'm getting more forgetful And more mixed up in the head.
For sometimes I can't remember When I stand at foot of stair, If I must go up for something, Or if I've just come down from there, And before the frig so often My poor mind is filled with doubt Have I just put food away, or Have I come to take some out.
And they're times when it is dark out, With my night cap on my head, I don't know if I'm retiring, Or just getting out of bed So, if it's my turn to write you There's no need of getting sore I may think that I have written, And don't want to be a bore.
So, remember I do love you, And I wish that you were here;
But now it's nearly mail time So I must say "Good-bye, dear."
***************************
There I stood beside the mail box With a face so very red,
Instead of mailing you a letter, I had opened it instead !
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