Path: csiph.com!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: jimp@specsol.spam.sux.com Newsgroups: sci.physics Subject: Re: Einstein on the speed of light Date: Fri, 31 Aug 2018 21:30:42 -0000 Organization: A noiseless patient Spider Lines: 28 Sender: Jim Pennino Message-ID: <2loo5f-2fs.ln1@mail.specsol.com> References: <3bef56c3-325a-4abb-93f8-8c158a3eb300@googlegroups.com> <6baeadc6-0937-40e2-ad28-86fb506ef944@googlegroups.com> <797fc265-a8d1-4bae-bdea-acac9bc57074@googlegroups.com> Injection-Info: reader02.eternal-september.org; posting-host="8e874d9986f8ae6ba80d40f45d31b0be"; logging-data="22018"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+LxoBQCI9ISCXFPCWbjKop" User-Agent: tin/2.2.1-20140504 ("Tober an Righ") (UNIX) (SunOS/5.10 (i86pc)) Cancel-Lock: sha1:Y+9p9e7hBO/LNq6GZfTPERALans= Xref: csiph.com sci.physics:700622 Musatov wrote: > On Friday, August 31, 2018 at 2:46:15 PM UTC-5, reber G=emc^2 wrote: >> On Friday, August 31, 2018 at 10:42:08 AM UTC-7, Musatov wrote: >> > I have heard according to Einstein you could not build a spaceship capable of traveling faster than the speed of light. But did Einstein say anything about building a spaceship capable of traveling at the same speed as light? >> > >> > According Einstein >> > >> > a) Spaceship travels at speed < speed of light is possible >> > b) Spaceship travels at speed > speed of light is impossible >> > >> > But does Einstein say anything about >> > c) Spaceship travels at speed = speed of light >> > >> > Is c) possible or impossible? >> > >> > Musatov >> >> Fermi lab got electrons up to 99.999999999 of c.At that speed it weighed 37,000 times its rest mass.I wonder how this effected its rate of spin? Bert > Bert, > > So what we are looking at theoretically is 99.9999999999 ever adding more 9's but never reaching 100% being possible? > > So say I have a golf ball and a pinball the same size spinning with the same force acted upon them... Is this a valid comparison? It isn't even coherent. -- Jim Pennino