NewScientist wrote a short article on an idea Shawn and I have been discussing:

Mounting mirrors on the Moon and using them to signal across space could let ET know we Earthlings are here.

Ever since radio broadcasts began we’ve been trumpeting our presence to nearby parts of the galaxy, so far without reply. To improve the chances of being found, Shawn Domagal-Goldman and Jacob Haqq-Misra of Pennsylvania State University in State College reckon we should cover half of the Moon with mirrors.

Read the full article at NewScientistSpace.