Вселенная Плюс
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Re: Вселенная Плюс
Moments later, the terrifying force suddenly fell silent, and the entire Colorado Springs was engulfed in darkness. Tesla had inadvertently destroyed the power company’s dynamo. He pulled so many amperes from the electric generator that it went up in flames. (c)
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Re: Вселенная Плюс
Tesla stayed in Colorado Springs for nine months, conducting experiments. One night in July 1899, his instruments picked up a series of rhythmic signals which he described as “counting codes.” Tesla concluded that the signals must be from another planet, from an intelligent life-form on either Venus or Mars, an idea for which he was much ridiculed. Some people believe that Tesla may have heard Marconi's wireless telegraphy demonstrations in Europe. A century later, scientist replicating Tesla’s experiments showed that the signal was in fact caused by the moon Io passing through Jupiter’s magnetic field.(c)
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Re: Вселенная Плюс
Tesla left Colorado Springs in January 1900 with unpaid electricity bills.
Genious do not pay their bills …
Genious do not pay their bills …
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Re: Вселенная Плюс
The whole story is here :
https://www.amusingplanet.com/2020/08/n ... oned%20off.
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Re: Вселенная Плюс
https://www.yahoo.com/news/northern-lig ... p_catchall
Amazing auroras sparked by a massive solar storm set the world abuzz Friday night as colorful glowing light radiated into the skies as far south as Florida and the Bahamas, to the surprising delight of many who waited up and kept watch.
Amazing auroras sparked by a massive solar storm set the world abuzz Friday night as colorful glowing light radiated into the skies as far south as Florida and the Bahamas, to the surprising delight of many who waited up and kept watch.
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Re: Вселенная Плюс
… and all that beauty is due to a massive solar storm … and the magnetic dipole and atmosphere of the Earth … btw, because different planets have different chemical composition of their atmospheres the colors of Aurora are different on Jupiter and Earth.
There is a good chance to see it again tonight again - Saturday , May 11th !!!
There is a good chance to see it again tonight again - Saturday , May 11th !!!
Последний раз редактировалось Nikolai_0802 Сб май 11, 2024 9:04 am, всего редактировалось 1 раз.
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Re: Вселенная Плюс
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Re: Вселенная Плюс
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Re: Вселенная Плюс
... a bit more of science
A new toy ( a white paper ) :
While magnetic levitation is nothing new – the best-known example is probably Maglev trains that rely on a strong magnetic force for lift and propulsion – the experiment puzzled physicists as this phenomenon was not described by classical physics, or, at least, by any of known mechanism of magnetic levitation. (c)
https://scitechdaily.com/defying-gravit ... l-physics/
... and original paper in Physics. Rev. above levitating rotating magnets :
https://doi.org/10.1103/PhysRevApplied.20.044036
A new toy ( a white paper ) :
While magnetic levitation is nothing new – the best-known example is probably Maglev trains that rely on a strong magnetic force for lift and propulsion – the experiment puzzled physicists as this phenomenon was not described by classical physics, or, at least, by any of known mechanism of magnetic levitation. (c)
https://scitechdaily.com/defying-gravit ... l-physics/
... and original paper in Physics. Rev. above levitating rotating magnets :
https://doi.org/10.1103/PhysRevApplied.20.044036
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Re: Вселенная Плюс
... a bit more of the college physics ...
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Re: Вселенная Плюс
Rotating bodies ...may flip spontaneously ! What about the Earth - can it flip too ? - The mystery know as Dzhanivekov's effect and why the Soviets kept it in secret.
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Re: Вселенная Плюс
it is all about stability / instability of steady states -
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Re: Вселенная Плюс
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Re: Вселенная Плюс
The sold body rotation in 3D is described by the Euler equations... they are nonlinear in fact - in spirit of the ingenious 3 diffential equations of the Lorentz system producing the "strange " Lorentz attractor ...and the non-linearity terms are indeed proportional to the difference in the moments of inertia along 3 different axis. So if those are small , the nonlinear coupling between different rotational degrees of freedom is small too, and consequently - no chaos, .no sporadic tumbling , etcetera.
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Re: Вселенная Плюс
So - as seen from these equations the symmetry will save the world !!! If I1=I2=I3 - the nonlinear coupling => 0 and no way our planet tumbles !!! - in other plain words for the general audience : Красота Спасет Мир !!!
But the Russians kept Dzanibeckov's effect in secret for 10 years ... While our Earth could
tumble at any moment …. as they hoped ( ?) .
But the Russians kept Dzanibeckov's effect in secret for 10 years ... While our Earth could
tumble at any moment …. as they hoped ( ?) .
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Re: Вселенная Плюс
Yes, that is what Euler's equations and Landau and Lifshitz's ' textbook tell us. The Earth, even though being not a perfect sphere, like many astronomical objects, spins already around the axis with the maximum moment of inertia, which is a stable rotation. Only rotation around the axis with an intermediate momentum of inertia is unstable. The notion of beauty saving the world is based on the fact that asymmetry must be large enough to force a flip.
Look here for the further reading :
https://www.camein.com/rotating-bodies- ... kov-effect
Look here for the further reading :
https://www.camein.com/rotating-bodies- ... kov-effect
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Re: Вселенная Плюс
Why are there 96,000,000 Black Balls on the surface of this Los Angeles drinking water Reservoir?
The answer is in the 5th minute of the video below - but is there any educated guess from the Californians who are at this forum ?
The answer is in the 5th minute of the video below - but is there any educated guess from the Californians who are at this forum ?
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