<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_extra"><div class="gmail_quote">On Tue, May 24, 2016 at 1:02 PM, Anders Sandberg <span dir="ltr"><<a href="mailto:anders@aleph.se" target="_blank">anders@aleph.se</a>></span> wrote:</div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"><span class=""><blockquote type="cite"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">
<div><font size="4">
<div style="font-family:arial,helvetica,sans-serif;display:inline"></div>
<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">>></div> The present
<div style="font-family:arial,helvetica,sans-serif;display:inline"> </div>
lithium
<div style="font-family:arial,helvetica,sans-serif;display:inline">and
Helium </div>
abundance
<div style="font-family:arial,helvetica,sans-serif;display:inline">
</div>
gives a tight constraint on the amount of normal
baryonic matter (matter made from electrons neutrons and
protons) that
<div style="font-family:arial,helvetica,sans-serif;display:inline">could
have </div>
existed at the time of nucleosynthesis
<div style="font-family:arial,helvetica,sans-serif;display:inline">,
and there is not nearly enough of it to account for </div>
<div style="font-family:arial,helvetica,sans-serif;display:inline">Dark
Matter. So whatever Dark Matter is it can not be
normal </div>
baryonic matter
<div style="font-family:arial,helvetica,sans-serif;display:inline">,</div>
<div style="font-family:arial,helvetica,sans-serif;display:inline">
and it can't be made of Stellar Black Holes</div></font></div></div></div></div></blockquote></span>
<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">> </div>So how does this rule out WIMPs?</div></blockquote><div><br></div><div><font size="4"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">It doesn't. Maybe WIMPs exist, but if LIGO starts finding lots of Black holes soon after it comes back</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">online in September then WIMPS would be unnecessary to explain Dark Matter. </div></font></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"><font size="4"><br></font></div></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"><font size="4"> John K Clark</font></div></div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br></blockquote></div><br></div></div>