Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Sylvia Else Newsgroups: sci.physics Subject: Re: Does anyone really know the physical cause for time dilation and length contraction? Date: Mon, 16 May 2016 11:37:05 +1000 Lines: 34 Message-ID: References: <5d58156a-05f3-448c-b204-b76ac938cca8@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net PVBGXINlKxxjKHBHfoHDywHcfkMlDGQp1sAuvrxI5YtlNC/ZY0 Cancel-Lock: sha1:Ti5myadPjkQAqwoimoHzlvw439A= User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: Xref: csiph.com sci.physics:578211 On 16/05/2016 1:31 AM, xxein1@att.net wrote: > On Sunday, May 15, 2016 at 9:05:22 AM UTC-4, Sylvia Else wrote: >> On 14/05/2016 5:17 AM, xxein1@att.net wrote: >>> Can we have a discussion about the root physical cause of TD and LC? >>> We all know the math, so skip that. What is it about velocity that >>> becomes a cause? What about gravity as a cause? How are they a >>> cause? Stick to principles of cause and effect or start your own >>> thread for all else. >>> >>> Btw. Just because 'we measure' doesn't answer the question of how it >>> affects. >>> >> >> >> It's a mistake to think of this as cause and effect. Velocity does not >> cause time dilation and length contraction. They are simply >> manifestations of how different observers see the universe. >> >> When I move along (even slowly), I observe the world moving the other >> way. Yet it is not sensible to suggest that my motion has had some >> strange effect on the world. I just observe the world from a different >> perspective. >> >> Similar thoughts apply to gravity. >> >> Sylvia. > > xxein: So according to you, it's no big deal and why should anyone care? > No, that's not what I said. But you're looking for a cause when nothing is being caused. Sylvia.