Article View: sci.physics.relativity
Article #415Re: HOW EINSTEINIANA DESTROYS HUMAN RATIONALITY
From: eon
Date: Sat, 15 May 2010 10:20
Date: Sat, 15 May 2010 10:20
94 lines
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5621 bytes
On May 12, 4:15 pm, Uncle Al <Uncle...@hate.spam.net> wrote: > Pentcho Valev wrote: > > >http://www.people.fas.harvard.edu/~djmorin/book.html > > Introduction to Classical Mechanics > > David Morin > > Cambridge University Press > > Chapter 11, p. 14: "Twin A stays on the earth, while twin B flies > > quickly to a distant star and back. > > [snip crap] > > idiot > > http://www.hawaii.edu/suremath/SRtwinParadox.htmlhttp://sheol.org/throopw/sr-twin-01.html > <http://physics.syr.edu/courses/modules/LIGHTCONE/twins.html> > Twin Paradox > idiot > > Perhaps you are too stooopid to click on a link. Uncle Al will > exercise the compassion to ram it up your butt, > > [In the Newtonian approximation to GR, the line element for "Newtonian > coordinates" is to excellent approximation: > > ds^2 = -(1 - 2\phi) dt^2 + dx^2 + dy^2 + dz^2 > where \phi is the Newtonian gravitational potential, c=1 > > The only deviation from Minkowski spacetime is in the time coordinate > - using these coordinates the 3-space corresponding to a given value > of t is Euclidean flat.] > > Twin Paradox: One twin travels relativistically, one twin stays > home. They reunite. The traveling twin aged much less. The twin who > travels through more space accumulates less time; also true for an > orbit. Interval sqrt(t^2 - x^2 - y^2 - z^2) between the two events, > expressed in inertial coordinate system (t,x,y,z), is conserved. > Given the invariant interval, the larger sqrt(x^2 + y^2 + z^2)is the > smaller sqrt(t^2) must be. > > The ratio by which the two aged when they are again local is identical > in all reference frames: ratio = sqrt(t^2 - x^2 - y^2 - z^2)/t (units > of c=1). > > Acceleration is irrelevant, demonstrated by Triplets. > > Three identical clocks as kits and not constructed until the > experiment is running. Each clock has a short toggle switch. > Individual spaceships carry a kit each. Set up the experiment. > > CLOCK 1: Our clock sits stationary in our inertial reference frame > with its toggle sticking out. Touch the toggle and "off" state goes > "on" or "on" state goes "off." Build it from parts just before > needed, in the "off" state, zeroed. > > CLOCK 2: In a spaceship traveling at 0.999c relative to our inertial > frame and positioned far to our left. Clock 2 was built after all > acceleration ceased during setup, set to zero, "off" state. It skims > past Clock 1 (our clock) in vacuum free fall, toggles touch, both > Clocks 1 and 2 are "on" and locally synchronized by touching. Elapsed > time accumulates in each clock. > > CLOCK 3: In a spaceship traveling at 0.999c relative to our inertial > frame of reference, but 180 degrees counter in direction to Clock 2, > far far to our right. It was built after all acceleration ceased > during setup, set to zero, "off" state. > > An arbitrary time after Clocks 1 and 2 synchronize and turn "on" by > touching, Clocks 2 and 3 brush past each other, both in vacuum free > fall, touching toggles. Clock 2 is now "off," Clock 3 is now "on." > Write down the elapsed time in "off" Clock 2. The spaceship with > Clock 3 returns over the path taken by the spaceship with Clock 2. > > CLOCK 1: Our clock. It sits stationary in our inertial reference > frame with a little toggle sticking out. Clock 3 vacuum free falls > past, toggles touch. Clocks 3 and 1 are off. Write down elapsed > times. No clock accelerated while "on" or while existing. > > BOTTOM LINE: Send results by radio. Numbers on paper don't change. > Throughout the entire run three clocks were passive observers in > vacuum free fall with zero acceleration. > > Compare elapsed times. Elapsed times #2+#3 does not equal #1, the > local stationary reference frame summation. The sum of #2+#3 elapsed > time is about 4.5% that than of #1's accumulated elapsed time. The > Twin (Triplets) Paradox obtains without any clock having been > accelerated. > > -- > Uncle Alhttp://www.mazepath.com/uncleal/ > (Toxic URL! Unsafe for children and most mammals)http://www.mazepath.com/uncleal/qz4.htm thanks, if i understand it right, space must have viscosity, a viscosity constant, function of speed, with respect to time
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X-Google-Thread: a846ae8c3c,3836ff6f940e4ca4 X-Google-Attributes: gida846ae8c3c,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!o39g2000vbd.googlegroups.com!not-for-mail From: eon <ynes95v6@techemail.com> Newsgroups: sci.physics.relativity,fr.sci.physique,fr.sci.astrophysique,sci.astro Subject: Re: HOW EINSTEINIANA DESTROYS HUMAN RATIONALITY Date: Sat, 15 May 2010 03:20:00 -0700 (PDT) Organization: http://groups.google.com Lines: 94 Message-ID: <bb66378d-ab05-4d04-b60c-6af7a9c7fcf1@o39g2000vbd.googlegroups.com> References: <e9cc1ad1-b87b-474f-9a1b-af3cb39cfbea@s29g2000yqd.googlegroups.com> <4BEAB801.AB7022C2@hate.spam.net> NNTP-Posting-Host: 200.142.202.101 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: posting.google.com 1273918800 6379 127.0.0.1 (15 May 2010 10:20:00 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 15 May 2010 10:20:00 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: o39g2000vbd.googlegroups.com; posting-host=200.142.202.101; posting-account=e13iGAoAAACy_AjK8wmXp9VvNTJ48E00 User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729),gzip(gfe)