(say written in LaTeX/Math but rendered here) https://www.sciencealert.com/images/Screen_Shot_2016-08-03_at_3.20.12_pm.png So what could this mean? (He sort of leaves it hanging.) - pt -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.