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Shocking Discovery: a PC in B.C.? (Antikythera Mechanism)
http://www.kitsapsun.com ^ | April, 30,2009 | By Roger Koskela

Posted on 05/02/2009 6:23:53 PM PDT by Maelstorm

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To: InABunkerUnderSF
“Actually, I believe the credit for spread spectrum communications goes to Hedy Lamarr and her work during WWII.”

Yep I agree on that!The old timers had an eye for woman.

21 posted on 05/02/2009 7:10:56 PM PDT by Cheetahcat (Osamabama Wright kind of Racist! We are in a state of War with Democrats)
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To: InABunkerUnderSF

Yup. Who says pretty girls can’t be Ubergeeks? Hedy certainly was.


22 posted on 05/02/2009 7:19:23 PM PDT by Habibi ("We gladly feast on those who would subdue us". Not just pretty words........)
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23 posted on 05/02/2009 7:21:50 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: Extremely Extreme Extremist

LOL!


24 posted on 05/02/2009 7:21:54 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: nralife

· join list or digest · view topics · view or post blog · bookmark · post a topic ·

 
Gods
Graves
Glyphs
Thanks nralife. Believe it or not, there have been a few other topics about this interesting piece of ancient technology. I've posted most of them above.

Just adding to the catalog, not sending a general distribution.

To all -- please ping me to other topics which are appropriate for the GGG list.
GGG managers are SunkenCiv, StayAt HomeMother, and Ernest_at_the_Beach
 

·Dogpile · Archaeologica · ArchaeoBlog · Archaeology · Biblical Archaeology Society ·
· Discover · Nat Geographic · Texas AM Anthro News · Yahoo Anthro & Archaeo · Google ·
· The Archaeology Channel · Excerpt, or Link only? · cgk's list of ping lists ·


25 posted on 05/02/2009 7:21:56 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: JoeFromSidney
The Antikythera Mechanism cannot reasonably be called a predecessor of today's computers because there was no technological continuity. The making of such a device was exceptional in the ancient world and did not carry forward from that era to ours so as to spur the development of modern computers.

Nevertheless, the Antikythera Mechanism suggests both the sophistication of Greek science and technology and that generations of potential technical and material progress were forfeited through lack of institutions to carry them forward from one generation to the next.

The university, a creation of the Renaissance, made the preservation, development, and dissemination of knowledge an institutional imperative. Just as important, in the 18th Century, businessmen and investors became willing to fund the development of technology for the sake of profit through sales of new mechanical devices.

Taking a broader view of the matter, due to the limitations of ancient societies, the Antikythera Mechanism was an isolated bit of genius with no progeny and no business case. It took the creation of universities and modern capitalism to make the technological revolution of the modern world.

26 posted on 05/02/2009 7:25:33 PM PDT by Rockingham
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To: Cheetahcat

Tesla was a smart guy, but there were others

In 1936, Zuse made a mechanical calculator called the Z1, the first binary computer. Zuse used it to explore several groundbreaking technologies in calculator development: floating-point arithmetic, high-capacity memory and modules or relays operating on the yes/no principle. Zuse’s ideas, not fully implemented in the Z1, succeeded more with each Z prototype.

In 1939, Zuse completed the Z2, the first fully functioning electro-mechanical computer.

http://inventors.about.com/library/weekly/aa050298.htm

and in 1937 - Iowa State Colleges John Vincent Atanasoff and Clifford Berry begin work on creating the binary-based ABC (Atanasoft-Berry Computer). Considered by most to be the first electronic digital computer. An interesting side note, these fellows were HAM operators. didahdidahdidah.

http://www.computerhope.com/history/190040.htm

And in 1939 George Stibitz completes the Complex Number Calculator capable of adding, subtracting, multiplying and dividing complex numbers. This device provides a foundation for digital computers.

Then things start to get busy...


27 posted on 05/02/2009 7:30:47 PM PDT by ASOC (Why is that fat lady singing so loudly?????)
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To: Maelstorm

This is all Greek history and some contemporary Persians would dispute or negate the Grecians.


28 posted on 05/02/2009 7:31:13 PM PDT by MissDairyGoodnessVT (Mac Conchradha - "Skeagh mac en chroe"- Skaghvicencrowe)
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To: Rockingham
Taking a broader view of the matter, due to the limitations of ancient societies, the Antikythera Mechanism was an isolated bit of genius with no progeny and no business case. It took the creation of universities and modern capitalism to make the technological revolution of the modern world.

Thank goodness, or we'd all be dead already from global warming...ahem...climate change.
29 posted on 05/02/2009 7:33:03 PM PDT by ZX12R
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To: ZX12R

. . . or, with an earlier start, we might have terraformed Mars by now.


30 posted on 05/02/2009 7:39:55 PM PDT by Rockingham
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To: InABunkerUnderSF

It was an idea for frequency hopping that Heddy helped come up with. A sort of mechanical disc contraption that worked kinda like the rotating platter in a wind up music box.

Electrical contact would vary according to what pins made contact through holes in the plate as it moved. I suppose the contacts changed inductance or capacitance to effect an automatic change of frequency.

A really great idea, but the problem of synchronization between two setups was what kept it from being practical at the time.

Also, the idea was not useful to get through jamming equipment as the jammers of the day could cover a wide spectrum easily.

Changing frequencies in an attempt to limit a listeners ability to intercept your communications was used in WW1...but it was a poor attempt to do it manually according to a pre arranged pattern. It just befuddled the listener for a short while...just long enough for them to note all the frequencies and have multiple receivers going.

The art of electronic communications and how to encrypt data traffic and also send false data to the enemy first came about in the 1860’s as civil war telegraphers strung many hundreds of miles of enameled wire through the woods and used keys and sounders to communicate. Often the enemy was tapped in and listening so they used simple codes and sent plenty of false traffic. Some of the telegraphers were just boys...some as young as 12.


31 posted on 05/02/2009 7:43:15 PM PDT by Bobalu (Don't despair, it will all be over soon.)
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To: american_ranger

Something like this:


32 posted on 05/02/2009 7:44:01 PM PDT by Paladin2 (Big Ears + Big Spending --> BigEarMarx, the man behind TOTUS)
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To: american_ranger

http://en.wikipedia.org/wiki/Mark_I_Fire_Control_Computer


33 posted on 05/02/2009 7:44:18 PM PDT by Paladin2 (Big Ears + Big Spending --> BigEarMarx, the man behind TOTUS)
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To: Maelstorm

Reminds me of a program I once saw on the inventions of Hero of Alexandria (1st century BC) http://www.tmth.edu.gr/en/aet/5/55.html
http://www.absoluteastronomy.com/topics/Hero_of_Alexandria

Or the series Longitude -about the perfection of the maritime clock http://www.amazon.com/Longitude-VHS-Jonathan-Coy/dp/B00004U2K0


34 posted on 05/02/2009 7:53:32 PM PDT by marsh2
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To: Maelstorm

Hook it up to the internet and make it hum.


35 posted on 05/02/2009 8:01:52 PM PDT by BlueStateBlues (Blue State for business, Red State at heart.........2012--can't come soon enough.)
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To: ASOC

Yes, but Tesla was working decades ahead of these others.


36 posted on 05/02/2009 8:05:21 PM PDT by BlueStateBlues (Blue State for business, Red State at heart.........2012--can't come soon enough.)
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To: omega4179
Thats pretty good because the USS Pennsylvania has been underwater since 1948!

Good Point, She was not destroyed in battle, but in atomic tests.. We had the New Jersey and Missouri in Long Beach.

37 posted on 05/02/2009 8:08:11 PM PDT by D Rider
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To: D Rider

I saw the analog computers and command center in the USS Massachusetts and it was amazing. The CIC was underneath a 5” thick Armor deck.


38 posted on 05/02/2009 8:14:05 PM PDT by omega4179 (Boycott government communist tractor factories!)
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To: omega4179

“The last combat action for the analog rangekeepers, at least for the US Navy, was in the 1991 Persian Gulf War[13] when the rangekeepers on the Iowa-class battleships directed their last rounds in combat.”


39 posted on 05/02/2009 8:14:57 PM PDT by Paladin2 (Big Ears + Big Spending --> BigEarMarx, the man behind TOTUS)
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To: Paladin2
The Mark 1A Fire Control Computer was an electro-mechanical analog ballistic computer. Sailors would stand around a box 62 inches long, 38 inches wide, and 45 inches high. It weighed as much as a car, about 3125 lb, with the Star Shell Computer Mark 1 adding another 215 lb. It used 115 volts AC, single phase using up to 140 amperes, or 15,000 watts (about the same as 3 houses while using ovens).

No wonder my parents wouldn't let me have a computer in my bedroom when I wuz a kid.

40 posted on 05/02/2009 8:18:07 PM PDT by Paladin2 (Big Ears + Big Spending --> BigEarMarx, the man behind TOTUS)
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