I don't think that enough Relativity remains, that the "light cone" for example, is a meaningful concept anymore.<br><br>The "cathegorical aparatus" od SR may be invalid and there is no point to maintain it. IFF indeed neutrinos go faster then light. <br>
<br>I have no answers, though. I only see troubles for Einsteinian worldwiev, but no alternative. Much less Einsteinenan alternative.<br><br>Looks like to me, that a lot of people are searching just that. Mending the General Relativity to remain inside said paradigm.<br>
<br><br><br><br><div class="gmail_quote">On Tue, Sep 27, 2011 at 10:06 AM, Anders Sandberg <span dir="ltr"><<a href="mailto:anders@aleph.se">anders@aleph.se</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im">Tomaz Kristan wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
> End of relativity, end of causality, ability to signal backwards in time.<br>
<br>
<br>
IF some assumptions of relativity are correct, only then FTL particles would mean ability to signal backward in time. Only then.<br>
<br>
But if the Relativity is even more wrong, then no signaling backward in time. That the transluminal speed means travelling back in time is a solely relativistic concept.<br>
</blockquote>
<br></div>
How do you patch together the symmetry group of space if you want to keep causality for the hypervolume outside the lightcone while keeping the familiar (and empirically tested) Poincare group inside?<div class="im"><br>
<br>
-- <br>
Anders Sandberg,<br>
Future of Humanity Institute James Martin 21st Century School Philosophy Faculty Oxford University <br>
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