This looks like an interesting machining project, though possibly a little large for the average HSM...
The 10,000-year clock
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What's the point.
Nothing man can make will run for that length of time and it is extremely unlikely that there will be anybody left to care about it in 10000 years.The shortest distance between two points is a circle of infinite diameter.
Bluewater Model Engineering Society at https://sites.google.com/site/bluewatermes/
Southwestern Ontario. Canada
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This one only has 5 years on it - over 40,000 hours, almost 15 million revolutions on the seconds dial. No repairs or service needed - so far.
Built for the Winter 2006 through the Summer 2007 issues of Digital MachinistWeston Bye - Author, The Mechatronist column, Digital Machinist magazine
~Practitioner of the Electromechanical Arts~
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Ten thousand years is only an eyeblink in the long term evolution of the solar system. Eventually the sun will run out of fuel and will then expand to engulf the Earth but that won't be for another 6 billion or so years. We have a little breathing room in that respect.Free software for calculating bolt circles and similar: Click Here
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I recall a discussion awhile ago stating that a sign for nuclear waste storage to last 10,000 years would be a daunting task. And that required no moving parts. An other issue was to convey the message as out moderen day language would be radicaly different. I can only assume our numbers would have changer as well. That being said who's going to author the moderen day Rosetta stone?
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Maxxlagg, my apologies. I must have missed it that time around.
There are, of course, several mechanical timepieces in the world that have been ticking away for a century or two. Harrison's original chronometers, with their cunning frictionless arrangements, are my favourites. They're on display at Greenwich in London (at least, they were when I was last in the northern hemisphere), and they're not only very clever engineering for their day, they're also objects of remarkable beauty.
And I seem to recall seeing a clock dating from the 14th century in one of the English cathedrals (Winchester?).
But 10,000 years is a whole different ball-game. Ceramics should easily last that long, but even 316L often seems to want to return to nature at an irritating speed.
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Originally posted by Mike BurchMaxxlagg, my apologies. I must have missed it that time around.
There are, of course, several mechanical timepieces in the world that have been ticking away for a century or two. Harrison's original chronometers, with their cunning frictionless arrangements, are my favourites. They're on display at Greenwich in London (at least, they were when I was last in the northern hemisphere), and they're not only very clever engineering for their day, they're also objects of remarkable beauty.
And I seem to recall seeing a clock dating from the 14th century in one of the English cathedrals (Winchester?).
But 10,000 years is a whole different ball-game. Ceramics should easily last that long, but even 316L often seems to want to return to nature at an irritating speed.
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A lot of time has been spent trying to create a warning for a radioactive waste depository that would convey the idea of danger without using language. It also needs to avoid looking interesting or inspiring people to treat it as a tourist site/place of worship (ie Stonehenge) or any other gathering place. It needs to be very robust and not contain desirable materials that might be scavenged later. It must convey the concept of danger without relying on cultural concepts. It must last a very long time. The only way to convey such a message that meets the criteria is with some sort of monument.
The US DOE assembled a panel to ponder this question. They came up with a list of attributes that should be conveyed if possible.
This place is a message… and part of a system of messages… pay attention to it!
Sending this message was important to us. We considered ourselves to be a powerful culture.
This place is not a place of honor…no highly esteemed deed is commemorated here… nothing valued is here.
What is here is dangerous and repulsive to us. This message is a warning about danger.
The danger is in a particular location… it increases toward a center… the center of danger is here… of a particular size and shape, and below us.
The danger is still present, in your time, as it was in ours.
The danger is to the body, and it can kill.
The form of the danger is an emanation of energy.
The danger is unleashed only if you substantially disturb this place physically. This place is best shunned and left uninhabited.
It would also contain more detailed information for advanced societies to decipher including exact information on what is buried below.
Free software for calculating bolt circles and similar: Click Here
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Originally posted by EvanA lot of time has been spent trying to create a warning for a radioactive waste depository that would convey the idea of danger without using language.
Is it just me or do other have trouble trying to understand what all these icons mean?
And that's now when they have just been thought up.
Software is brilliant for it. when you get to install software it asks what language then ignores what you select and puts stupid icons up when because it knows what languare you could have text with it.
Best example I saw was on Top Gear where James May got into one of these big massive farm tractors and 1 hour and 20 minutes later and I kid you not he managed to get it started.
The cab was a mass of icons on about 4 different displays.
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Originally posted by EvanA lot of time has been spent trying to create a warning for a radioactive waste depository that would convey the idea of danger without using language. It also needs to avoid looking interesting or inspiring people to treat it as a tourist site/place of worship (ie Stonehenge) or any other gathering place. It needs to be very robust and not contain desirable materials that might be scavenged later. It must convey the concept of danger without relying on cultural concepts. It must last a very long time. The only way to convey such a message that meets the criteria is with some sort of monument.
The US DOE assembled a panel to ponder this question. They came up with a list of attributes that should be conveyed if possible.
This is one of the more interesting ideas. It is called "the Landscape of Thorns".
It would also contain more detailed information for advanced societies to decipher including exact information on what is buried below.
http://downlode.org/Etext/WIPP/
it goes into every attribute of it.....cant remember ..norway or somewhere they are building or thinking of building an underground repository.
it goes on on how to lebel / sign the place ..how its cooled ..the spacing........miles of tunnels ....how they will block it off and make it impossible to get at for 100,000 years or more
think its called "into Eternity" and its finland
all the best.markjLast edited by aboard_epsilon; 11-13-2011, 08:05 PM.
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