On 6/10/2025 9:37 PM, Alan Grayson wrote:
*It says "...motion in the lab frame...is zero". And apparently you didn't look at the diagram at all.On Tuesday, June 10, 2025 at 10:18:36 PM UTC-6 Brent Meeker wrote: On 6/10/2025 8:46 PM, Alan Grayson wrote:On Tuesday, June 10, 2025 at 9:37:53 PM UTC-6 Brent Meeker wrote: On 6/10/2025 8:14 PM, Alan Grayson wrote:The claim is that the muon's half life is increased from its measured value in the lab frame, to an extended value when observed by a stationary observer seeing the muon in motion. But how is the lab frame different from the rest frame in which the muon is is observed as moving? They seem like the same frame. AG --*You've confused yourself by not mentioning it's motion in the lab frame, which is implicitly zero.* So it's comparing the half-life in the muon's frame with the muon's half-life as it travels at near light speed. *How is sitting in a lab observing the muons fly by, different from sitting atop a mountain watching them fly by? AG **I wonder why I bother to write answers, when you don't even read the first line. Brent**You're mistaken, totally. I read your message. ISTM, the frame atop the mountain is at rest and the muons fly by, whereas the earth bound lab is in the same situation. AG*
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