GigoloMason

Just in case you're actually interested ;)

Stanford Confirms it with particle accelerators.
http://www2.slac.stanford.edu/vvc/th...elativity.html

In particle accelerators, particles are moving very close to the speed of light where the length and time effects are large. This has allowed us to clearly verify that length contraction and time dilation do occur.

GPS Satellites operation also confirms it:
http://www.physicscentral.com/writers/2000/will.html

But at 38 microseconds per day, the relativistic offset in the rates of the satellite clocks is so large that, if left uncompensated, it would cause navigational errors that accumulate faster than 10 km per day! GPS accounts for relativity by electronically adjusting the rates of the satellite clocks, and by building mathematical corrections into the computer chips which solve for the user's location. Without the proper application of relativity, GPS would fail in its navigational functions within about 2 minutes.

Hafele and Keating Experiment with atomic clocks on airplanes:
http://hyperphysics.phy-astr.gsu.edu...iv/airtim.html

These results provide an unambiguous empirical resolution of the famous clock "paradox" with macroscopic clocks."

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