Signatures of alien technology could be how humanity first finds extraterrestrial life
Galaxy Concerns,
If an alien were to look at Earth, many human technologies – from cell towers to fluorescent light bulbs – could be a beacon…
If an alien were to look at Earth, many human technologies – from cell towers to fluorescent light bulbs – could be a beacon…
If an alien were to look at Earth, many human technologies – from cell towers to fluorescent light bulbs – could be a beacon…
Astronomers have been looking for radio waves sent by a distant civilization for more than 60 years.
If an alien were to look at Earth, many human technologies – from cell towers to fluorescent light bulbs – could be a beacon…