Does gravity work differently under the surface? Maybe the redshift is different going below the surface.
<https://i.stack.imgur.com/yJbbk.jpg> On Wed, Feb 22, 2017 at 3:22 AM, Bill Hawkins <bill.i...@pobox.com> wrote: > In the confusion, I forgot that we are concerned with gravitational time > dilation, not time of flight. > > The University of Minnesota has a lab about 2500 feet down in the Soudan > mine. The following is their brief description: > > "The Soudan Underground Laboratory is a general-purpose science > facility, which provides the deep underground environment required by a > variety of sensitive experiments." > > Here's a link to the Soudan page: > https://www.physics.umn.edu/outreach/soudan/tour/ > > Why is it named Soudan? The original miners found northern Minnesota to > be extremely cold at times, so they named the town for someplace warm. > > Let me know if you are seriously considering this, and I will find a > contact for you. > > Bill Hawkins > > -----Original Message----- > From: Bill Hawkins [mailto:bill.i...@pobox.com] > Sent: Tuesday, February 21, 2017 8:08 PM > > Neutrinos? Look up the OPERA experiment that measured neutrinos going > faster than light. Turned out to be a loose optical fiber connector to a > timing instrument. > > Fermi Lab has/had the MINOS experiment going 500 miles from Chicago to a > mine in northern Minnesota. The generated neutrinos go through Wisconsin > but are not noticed there, AFAIK. > > Bill Hawkins (Resident of Minnesota, but not a physicist, just a BSME) > > > -----Original Message----- > From: Bob Stewart > Sent: Tuesday, February 21, 2017 1:48 PM > > Hi, > Have you been in touch with Fermi-Lab? They run a neutrino experiment > with a receiver somewhere underground in Wisconsin. At least that's > what I recall. I used to live next to a Physics professor who has a > minor part in the experiment. I'm not even sure what sort of data they > collect there; whether it's time or something else. > > Bob Stewart (Not a physicist) > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.