So, we could build a laser that could send signals to extraterrestrial intelligence.
Not we as in the staff of Section 51. And that's probably beyond our skill set. But we as in humanity. A new paper published in November 2018 in The Astrophysical Journal has found that humanity could feasibly build an infrared laser hot and bright enough that — if we shined it directly at nearby exoplanets — alien astronomers should be able to detect it using sky-watching technology not too much more advanced than our own… Presuming they're out there, of course.
Watch the VIDEO HERE !