10 SETI Technosignatures We May Not Want to See

An exploration of ten of the spookier technosignatures SETI might detect in the future.

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[jgr]

humans: "the WOW! signal can't be from an alien civilization, because it didn't repeat"
also humans: "let's send this one-off signal to the stars with the Arecibo antenna!"

[HakunaMatata-osog]

A review of our DNA reveals the message: "This DNA proprietary and copyright Ur-Quan Monsanto Terraforming Corporation, please return to head office on Betelgeuse Prime in the case of unintended dispersal or Panspermia event."

[Handsomeanthony]

Don’t get me wrong, I like Event Horizon, but I’ve missed these kinds of videos. Good to see it again.

[gdwnet]

The thought of the CMB as a memorial wall to previous universes and civilisations is both fascinating and terrifying.

[astronomybrainiac]

The worst message to receive would be one tightbeamed directly to us.

"BE QUIET. OR IT WILL FIND YOU."

[Grocel]

Aliens enriching plutonium into their star could be 2 things:
A) The Aliens are just flexing on us
B) The found an effective solution to their nuclear waste problem, AND they are flexing it on us

[Shachza]

John: "Odd nuclear materials in a star seems like a silly thing to do. It would take tons of effort and would seem to reap very little reward."
Alien 1: "I made the star burn neon black!"
Alien 2: "Pretty!"
Alien 1: "I know!"

[murphyboy]

Once again, John has awakened from his slumber to bless us with a small piece of his infinite knowledge to us, we are truly lucky to have a deity as benevolent as him.
God speed John!

[thehdgaming]

If the universe is a simulation, let's hope Bethesda isn't running it...

[drockjr]

It's such a tease being able to open our minds and take in the scope of the universe, but knowing I will never live long enough to experience any of it.

Thanks for the great video. Stargazing at night in an Iowan field, listening to John Michael Godier. What more could you ask for? Oh yeah, a blunt. This bowl is for you John. Cheers all.

[adamb]

Imagine if we finally find an alien radio signal, and after years of diligently capturing as much data as possible, analyzing it, somehow against all odds figuring out how it's meant to be decoded.... And it turns out to be an Alien version of Jackass, where we watch a crabman get kicked in the crabnuts while a bunch of other crabmen clack their claws gleefully.

[brianoconnell]

"We've received a message!", "What does it say? What does it say?", "Drink... More... Ovaltine...", "Dammit!"

[vrikey]

About time! Was afraid JMG was captured by aliens, wanting to silence him.

[sneakyking]

The real message we will get...RAID SHADOW LEGENDS from far across the universe.

[realzachfluke]

I love Event Horizon, but there’s something really special about these videos on John’s original channel. So glad he’s still making them from time to time. Thank you, JMG.

[RHLW]

Most terrifying "necrosignatire", I always thought, would be the discovery in some star system, of a planetary mass black hole.

[ManahManah]

Hidden message discovered in the cosmic radiation background:

The Holy Grail can be found in the castle

[commanderjavik]

"Here lies the noobnoob, a long forgotten race. They tried to blow shit up but it blew up in their face." -an epitaph on a galactic tombstone

[Alamandorious]

Message in the cosmic background radiation: We Apologize For The Inconvenience.

[andrewwidmer]

Thank you much for returning to the old ways! I love it! Keep these videos coming forever!