Technology News

Archive for November, 2007

Then, in 1900, the Post Office tossed aside all

Thursday, November 29th, 2007

obligations to the licensed company, and threw
open the door to a free-for-all competition
Then, in 1900, the Post Office tossed aside all
obligations to the licensed company, and threw
open the door to a free-for-all competition. It
undertook to start a second system in London,
and in two years discovered its blunder and proposed
to cooperate. It granted licenses to five
cities […]

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_Discoveries of New Bodies

Wednesday, November 28th, 2007

_Discoveries of New Bodies._–Vulcan, the planet nearest the sun.
The two satellites of Mars were discovered by Mr. Hall,
U. S. Naval Observatory, August 11th, 1877. ‘The outer
one is called Diemas; the inner, Phobus.

latest mobile phone and camera
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The next question is the adaptability of the electric arc in comparison

Tuesday, November 27th, 2007

with forge fire, oxy-acetylene or other method
The next question is the adaptability of the electric arc in comparison
with forge fire, oxy-acetylene or other method. The answer is somewhat
difficult if made general. There are no doubt some cases where the use of a
drop hammer and forge fire or the use of the oxy-acetylene torch will make,
all […]

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wherein _L_ is the inductance in henrys and [omega] is _2_[pi]_n_, or

Sunday, November 25th, 2007

twice 3
wherein _L_ is the inductance in henrys and [omega] is _2_[pi]_n_, or
twice 3.1416 times the frequency. To distinguish the two kinds of
reactance, that due to the capacity is called _capacity reactance_ and
that due to inductance is called _inductive reactance_.

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We have already seen that the action of the dynamo is reversible,

Saturday, November 24th, 2007

and that just as a wire moved across a magnetic field supplies an
electric current, so a wire at rest, but conducting a current
across a magnetic field, will move
We have already seen that the action of the dynamo is reversible,
and that just as a wire moved across a magnetic field supplies an
electric current, so a wire […]

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The longest telephone line as yet made is that from New York to

Friday, November 23rd, 2007

Chicago, a distance of 950 miles
The longest telephone line as yet made is that from New York to
Chicago, a distance of 950 miles. It is made of thick copper wire,
erected on cedar poles 35 feet above the ground.

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There is still the inventors” battle to gain

Wednesday, November 21st, 2007

miles
There is still the inventors” battle to gain
miles. The distance over which conversations
can be held has been increased from twenty miles
to twenty-five hundred. But this is not far
enough. There are some civilized human beings
who are twelve thousand miles apart, and who
have interests in common. During the Boxer
Rebellion in China, for instance, there were
Americans in Peking […]

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The first electric carriages for ordinary roads were constructed

Wednesday, November 21st, 2007

in 1889 by Mr
The first electric carriages for ordinary roads were constructed
in 1889 by Mr. Magnus Volk of Brighton. Figure 78 represents one
of these made for the Sultan of Turkey, and propelled by a one-
horse-power Immisch electric motor, geared to one of the hind
wheels by means of a chain. The current for the motor was […]

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And if the company had little money, it had

Tuesday, November 20th, 2007

less credit
And if the company had little money, it had
less credit. Once when Vail had ordered a small
bill of goods from a merchant named Tillotson, of
15 Dey Street, New York, the merchant replied
that the goods were ready, and so was the bill,
which was seven dollars. By a strange coincidence,
the magnificent building of the New
York Telephone […]

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Much of this new effort not to let anything out of copyright was

Monday, November 19th, 2007

made by the music industry, which just had the best year of all,
ever, shipping over a billion CD”s, tapes, records and videos
Much of this new effort not to let anything out of copyright was
made by the music industry, which just had the best year of all,
ever, shipping over a billion CD”s, tapes, records and videos.

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