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*To*: "'Steve VanDevender'" <stevev@efn.org>, <starship-design@lists.uoregon.edu>*Subject*: RE: starship-design: Re: FTL travel*From*: "L. Parker" <lparker@cacaphony.net>*Date*: Thu, 13 Apr 2000 16:20:50 -0500*Importance*: Normal*In-Reply-To*: <14582.3970.467880.791645@tzadkiel.efn.org>*Reply-To*: "L. Parker" <lparker@cacaphony.net>*Sender*: owner-starship-design@lists.uoregon.edu

> Steve VanDevender wrote: (and Ben) > L. Parker writes: [clip] > I can't say that I like _Six Not-So-Easy Pieces_ better than > _Spacetime > Physics_, but some of the explanations Feynman uses are quite clever. > The lecture series Feynman gave was done in the early 1960s and the > presentation of relativity was conventional for the time, meaning that > it uses "relativistic mass" instead of invariant mass, and I think > Feynman initially oversimplifies the presentation of relativity ("all > you need is to replace 'mass' with 'relativistic mass'"). > However, his > explanation of the fundamental concepts of general relativity > is really > nifty, and he does provide some material that I think is a good > transition between the old-style presentation of relativity and the > newer, geometric interpretation used in Taylor and Wheeler. My problem isn't mathematical or even philosophical as in Curtis' case. I can do differentials, and integrals with ease, matrix algebra and discrete logic don't bother me a bit. My problem is I simply don't "get" it. The intuitive leap that everyone keeps talking about, just doesn't happen. I can follow the math, I just don't _believe_ it. Actually the geometric interpretation was somewhat easier to understand. When I get a little more time on my hands (ha ha), I intend to get Steve, Timothy and Zenon to help me out here.... Lee

**References**:**RE: starship-design: Re: FTL travel***From:*Steve VanDevender <stevev@efn.org>

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