The speed of light is NOT constant

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I thought the design limit was like 11 or something. This shot was 8 bazziollion whatevers.
And to think I worry about blowing up a couple of output transistors.

I believe design was 7 Tev per ring, total of 14 Tev center of mass collisions.

The dipole current is about 13 kiloamps, it runs through a superconductor that is 600 mils wide by 70 mils thick. (15.3mm by 1.75 mm). If the conductor decides it is no longer a superconductor (quenches), the current density is a tad more than the copper jacket can withstand for long. So they have to be very careful, as it doesn't take long for a wire that size to exceed 1062 C (copper melting temp), or even 232C (tin/silver solder melt).


jn
 

... he concluded that, at the end of the journey, the time recorded by the moving clock was less than that recorded by the stationary clock. The result did not follow from the experiment, but was simply an assumption slipped in implicitly during the complicated procedure.

Sorry to say 7n7 that NIST has clocks now that can measure this in a 4 story elevator ride. The experiment can be repeated by anyone anytime, ad nauseum.
 
Not sure if this has been said... 828 pages is too many to read.

The speed of light is a mathematical constant, so it cannot change by definition.

If for some strange reason electromagnet radiation takes more or less than 3.3ns or so to travel one metre, that does not change the speed of light, but will change how long 1 metre is.

Speed of light - Wikipedia, the free encyclopedia

Maybe there is some wisdom in USA not adopting the metric system ;-)
 
jn,
wow. I love big machines, and the audacity necessary to build them. I did get to see inside the Advanced Light Source, LBL, Tiny by comparison, but gad what a machine and the history of what has been done there.

I never made it into the tunnel of the LHC, but did see the "leapfrog" players that were replaced. Man, those puppies are 45 feet long out of the cryostat. It's surprising what happens when the energy of a 747 travelling at 450 knots is released in a small confined area..

jn
 
I didn't realize that gravity probe A was launched in 1976 and started conceptually in the 60's. I was 13 and more interested in the Mars Viking landers but the clocks were good enough then.

Quite a difference in distance/cost, my point was it no longer takes a space journey and billions to get one answer that will always be questioned by the conspiracy theorists. The clocks now are six or seven orders of magnitude better so only a trip upstairs and back can do it.

I can't find the link now but it has been done, two clocks with sub femto-second stability were synchronized and one was sent up and down an elevator. The result was exactly as predicted.
 
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