Q&A 51: Could We See Ourselves in the Past? And more..
0
0
4,077 צפיות·
10/20/23
In this week s QA, I wonder if we could use the speed of light to see ourselves in the past, how the Mars rovers clean their solar panels, and if aliens would infect us with their bacteria...
להראות יותר
0 הערות
sort מיין לפי
