Path: csiph.com!au2pb.net!feeder.erje.net!1.eu.feeder.erje.net!news.roellig-ltd.de!open-news-network.org!weretis.net!feeder1.news.weretis.net!news.solani.org!.POSTED!not-for-mail From: Thomas 'PointedEars' Lahn Newsgroups: sci.physics Subject: Re: What is mass? Date: Tue, 29 Sep 2015 13:34:19 +0200 Organization: PointedEars Software (PES) Lines: 18 Message-ID: <5272410.TP7pekPsFf@PointedEars.de> References: <65ae5876-6ab0-4623-91f2-ccf2691e30e9@googlegroups.com> <4364991.q3IohZnLL8@PointedEars.de> <2238624.kMFp3VTdiP@PointedEars.de> Reply-To: Thomas 'PointedEars' Lahn Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8Bit X-Trace: solani.org 1443526461 23433 eJwFwYERADAEBLCVOP7VOEXtP0ITGJUdTtCx2K1CdwqDm8wzd9yirePq2ycirPKRYtpA5wMt1BGT (29 Sep 2015 11:34:21 GMT) X-Complaints-To: abuse@news.solani.org NNTP-Posting-Date: Tue, 29 Sep 2015 11:34:21 +0000 (UTC) User-Agent: KNode/4.14.2 X-User-ID: eJwNy8kBwDAIA7CVGg5DxwET9h+h1V+uOGAYHObrm9EWk/O8DObQNRZNtiqc93SJekE0O+bcCsg/7ixTptI+ZeUWLQ== Cancel-Lock: sha1:H9P1E6breBE6z+Rqlc2u05wrmX8= X-NNTP-Posting-Host: eJwFwYEBACAEBMCViH+MU8n+I3QHo/KGE3QMxjxCCo2mSoBy+5Sfeilr0nNxWNi1lGH99gf8xhAr Xref: csiph.com sci.physics:523715 Thomas 'PointedEars' Lahn wrote: > It is possible that […] photons have a small mass that is just very close > to zero. Then the range of the electromagnetic force would not be > infinite, but just very very great (up to including about 90 billion > light-years proper distance and increasing, as we can still see the CMB), > […] Correction: The CMB is currently about 46 billion (4.6 × 10¹⁰) light-years proper distance away. PointedEars -- Heisenberg is out for a drive when he's stopped by a traffic cop. The officer asks him "Do you know how fast you were going?" Heisenberg replies "No, but I know where I am." (from: WolframAlpha)