Up Next
Back to Show
PBS Space Time
How to Signal Aliens
Season 1
Episode 18
Everyone has their own opinion as to whether or not aliens exist. But let’s assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a few options, but which is the most effective and the cheapest? Find out in this week’s episode of PBS Space Time!
Support Provided By
12:14
Could we turn our solar system into a spaceship and drive the Sun around the galaxy?
16:00
If we want to see quantum weirdness with our eyes, we’ll need Bose-Einstein Condensates.
16:42
Could LIGO find alien spacecraft accelerating to near light speed?
15:51
How can we tell the difference between fermions & bosons? Statistical Mechanics!
13:25
Why has a newly discovered a black hole started pointing directly at us?
15:57
There’s a hard limit to humanity’s expansion in the universe. So, how big can we get?
16:49
Let’s figure out the absolute limit of our future view of the universe!
16:28
Physics is the business of figuring out the structure of the world. So are our brains.
14:28
Nuclei are held together by a quirk of nature, without which there’d be nothing.
16:29
Your motion through the universe is extremely complicated, so let’s figure it out!