Admin Administrator Staff member Mar 18, 2008 18,288 2,548 23,560 Visit site Dec 3, 2021 #1 Giving aliens directions to Earth might be tricky, but scientists have some ideas for how to do it. How would we give aliens directions to Earth? : Read more
Giving aliens directions to Earth might be tricky, but scientists have some ideas for how to do it. How would we give aliens directions to Earth? : Read more