On Wednesday, June 11, 2025 at 5:36:26 AM UTC-6 John Clark wrote:
On Tue, Jun 10, 2025 at 11:46 PM Alan Grayson <[email protected]> wrote: *> How is sitting in a lab observing the muons fly by, different from sitting atop a mountain watching them fly by? AG* *If you want to measure the half life of a muon in the lab then you make sure that the relative velocity between the lab and the muon is zero, or at least very small. * *The condition you claim is necessary, seems impossible, since the lab is at rest and the muon is moving. AG * *But when you measure the half life of a muon that comes from space when you're sitting on a mountain the muon is moving close to the speed of light relative to your measuring equipment on top of that mountain. * *John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* ebc -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/everything-list/617872ed-106b-49c7-9b88-918b876e536en%40googlegroups.com.

