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Re: Time slowing down?
From: Ken Muldrew
Date: 2005 May 6, 14:37 -0600
From: Ken Muldrew
Date: 2005 May 6, 14:37 -0600
On 6 May 2005 at 14:17, Alexandre Eremenko wrote: > This article in "Guardian" > looks like usual nonsense which uneducated > reporters write about science in the mass media. The issue is whether the fine structure constant (e^2/hbar c) is changing. An Australian group found some evidence from spectral lines in quasars suggesting that alpha was smaller in the distant past in 2001 but more recent reports show no change and give reasons why the earlier report was probably due to systematic errors. Right now the case for a changing speed of light is very weak. > On the philosophical question stated below, > a recommend the book by Steven Hawking > "Brief History of Time". More briefly but less philosophically we can quote Einstein (suitably updated): "Time is what ceasium clocks measure." Ken Muldrew.