How does mutual time dilation work with one twin aging faster?
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From: PD on 11 Aug 2010 12:18 On Aug 11, 9:48 am, Sam Wormley <sworml...(a)gmail.com> wrote: > On 8/11/10 9:08 AM, kenseto wrote: > > > > > On Aug 10, 12:12 pm, Sam Wormley<sworml...(a)gmail.com> wrote: > > >>>> Cosmic muons FROM THE PERSPECTIVE OF THE GROUND OBSERVER do > >>>> exhibit time dilation predicted by special relativity. However, > >>>> from the PERSPECTIVE OF THE MUON, there is no time dilation and > >>>> the muon has a mean lifetime is 2.2 µs. > > >>> No idiot...the cosmic muon predicts that the lab muon decays at 2.2us/ > >>> gamma....this means that the lab muon has a shorter life time than the > >>> cosmic muon and that's why the lab muon can only travel a very short > >>> distance before decaying. > > >> No Seto, you FAIL to understand relativity. Hopelessly lost in the > >> abyss of ignorance. > > > Wormy it is you who failed to understand relativity and the simple > > fact that the cosmic muon's clock second is worth gamma-seconds on > > the lab clock. > > > Ken Seto > > Ken--We observe that your understanding of "relativity" is at odds > with all the printed literature (textbooks and scientific papers) > available in university and public libraries and on the world wide > web. Other than a few crackpots and trolls on USENET, everybody else > is trying to help you understand that you are WRONG! Ken cannot accept that he is wrong. It leaves him emotionally shaky. If the whole world thinks relativity says one thing, and he thinks it says another, then Ken believes that he is right and the world is wrong. And he came to this conclusion after reading a chapter in a freshman physics text, A Brief History of Time, and what he could glean from a usenet group! Ken is a bit off in the head.
From: Sam Wormley on 12 Aug 2010 12:46 On 8/12/10 11:15 AM, Koobee Wublee wrote: > Koobee Wublee has said the following. > > �Nothing ages in proper time. Instead, everything ages in its local > coordinate time.� "In relativity, proper time is time measured by a single clock between events that occur at the same place as the clock. It depends not only on the events but also on the motion of the clock between the events. An accelerated clock will measure a proper time between two events that is shorter than the coordinate time measured by a non-accelerated (inertial) clock between the same events". Koobie FAILS to understand that "aging" continues un-abate, as does the increase of entropy in closed systems... in proper time.
From: Sam Wormley on 12 Aug 2010 12:51
On 8/12/10 11:46 AM, Sam Wormley wrote: > On 8/12/10 11:15 AM, Koobee Wublee wrote: >> Koobee Wublee has said the following. >> >> �Nothing ages in proper time. Instead, everything ages in its local >> coordinate time.� > > > > "In relativity, proper time is time measured by a single clock between > events that occur at the same place as the clock. It depends not only on > the events but also on the motion of the clock between the events. An > accelerated clock will measure a proper time between two events that is > shorter than the coordinate time measured by a non-accelerated > (inertial) clock between the same events". > > Koobie FAILS to understand that "aging" continues un-abate, as does > the increase of entropy in closed systems... in proper time. "By contrast, coordinate time is the time between two events as measured by a distant observer using that observer's own method of assigning a time to an event. In the special case of an inertial observer in special relativity, the time is measured using the observer's clock and the observer's definition of simultaneity. A Euclidean geometrical analogy is that coordinate time is like distance measured with a straight vertical ruler, whereas proper time is like distance measured with a tape measure. If the tape measure is taut and vertical it measures the same as the ruler, but if the tape measure is not taut, or taut but not vertical, it will not measure the same as the ruler". Ref: http://en.wikipedia.org/wiki/Proper_time |