ASTONISHING! Hanford LIGO just announced the detection of the 4th black hole merger: https://www.ligo.caltech.edu/WA/news How can there be so many of these? John? spike -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20170927/34b80073/attachment.html>