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That says "forever". The sun won't "burn" forever, only for another 5 billion years, so the clock won't run any longer than that, even if you could maintain the bearings etc that long.
Here is the definition of perpetual-motion machine from Dictionary.com:
So even under that definition it's not perpetual motion, but people love to abuse the dictionary, don't they?
A perpetual motion machine is (and always has been) understood to be a device which continues to run (and here is the most important part) WITH NO EXTERNAL POWER.
Noun 1. perpetual motion machine - a machine that can continue to do work indefinitely without drawing energy from some external sourceperpetual motion machine - a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy
machine - any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
The hypothetical continuous operation of an isolated mechanical device or other closed system without a sustaining energy source.
Perpetual motion describes motion that continues indefinitely without any external source of energy. This is impossible in practice because of friction and other sources of energy loss. Furthermore, the term is often used in a stronger sense to describe a perpetual motion machine of the first kind, a "hypothetical machine which, once activated, would continue to function and produce work" indefinitely with no input of energy. There is a scientific consensus that perpetual motion is impossible, as it would violate the first or second law of thermodynamics.
device inherently impossible under the law of conservation of energy that can continue to do work indefinitely without drawing energy from external sources
a state in which movement or action is or appears to be continuous and unceasing:
the planet is in perpetual motion
the perpetual motion of the dance floor
the motion of a hypothetical machine which, once activated, would run forever unless subject to an external force or to wear:
the age-old quest for the secret of perpetual motion
a perpetual motion machine
I'm glad I started the thread because I had no idea that the official story is that there can't be an energy source in the environment. So really a perpetual motion machine as defined by the establishment is a meaningless term and of no interest to anybody - especially those interested in making this a better world with new energy technology.
Nothing in the universe is stationary, so therefore "Perpetual Motion" is not only possible but its the norm.
You like dictionary abuse too I see.
People don't like to be wrong, so they move the goal posts and change the definitions !
The literal definition for perpetual motion is "Forever moving" not "Forever moving" AND doing work...That would be "over-unity".
Here is a perpetual motion machine of sorts:
Atmos is the brand name of a mechanical clock manufactured by Jaeger-LeCoultre in Switzerland which does not need to be wound from its outside. It gets the energy it needs to run from temperature and atmospheric pressure changes in the environment, and can run for years without human intervention.
Of sorts: used to describe something that is not a typical or good example of something
reply to post by abecedarian
That right there is a good premise to circumvent the block on patenting perpetual motion machines ... one needs only to label it as such and claim that it is something else that is "free" that is generating the output ...
I even clarified in that same post why it's NOT a perpetual machine, because it won't outlast the sun, so your excerpt seems a bit out of context too.