Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
Chances are, we’re not alone in the universe. But if that’s true — why can’t we seem to find our neighbors?
This question is known as the Fermi paradox, and it continues to go unsolved. However, some theories could offer potential solutions.
Physicist Brian Cox explains the paradox and walks us through our best guesses as to the reason for our quasi-isolation.
0:00 Who is Enrico Fermi?
0:22 What is the Fermi Paradox?
1:29 Rare Earth Hypothesis
2:41 Extinguished Civilizations
3:51 Technological Singularity
4:34 Vast Distances
5:14 Cosmic Quarantine
7:31 The Great Filter
9:51 The Great Silence
----------------------------------------------------------------------------------
Go Deeper with Big Think:
►Become a Big Think Member
Get exclusive access to full interviews, early access to new releases, Big Think merch and more.
1 view
204
42
6 months ago 00:07:54 2
Olivia Dunne is The HOTTEST Gymnast in The World
6 months ago 00:17:46 0
Why Prefab Architecture Could Be the Future – But Probably Won’t Be | Architectural Digest
7 months ago 00:02:48 0
Slipknot - Wait And Bleed [OFFICIAL VIDEO] [HD]
8 months ago 00:00:32 0
…but the people are retarded
8 months ago 00:02:41 8
sinking in the deep || Viktor (Arcane)
8 months ago 00:04:14 1
The Hunter - Bloodborne (4K UHD 2024)
8 months ago 00:39:19 0
Historian Answers Witchcraft Questions | Tech Support | WIRED
8 months ago 00:02:40 0
Traffic warden in Lewisham threatened a man without knowing he was on camera #viral #Lewisham
8 months ago 00:07:50 0
Why Some Nations Aren’t Picking Sides
8 months ago 00:05:24 0
Is Elon Musk Becoming a Muslim? | Message to Muslims!
8 months ago 00:15:51 0
Which characters did you like in Toca Boca? #tocaboca #viralvideo #fyp #1million #tocacharacters
8 months ago 00:03:44 0
Icon For Hire - Ready For Combat (Official Video)
8 months ago 00:33:52 1
Return to the Unknown (Over the Garden Wall Fan Film - Live Action)
8 months ago 00:04:23 0
PrinceWhateverer - Mare in the Mirror [MLP MUSIC]
8 months ago 00:10:33 0
Invading Lebanon has been Israel’s BIGGEST BLUNDER!
8 months ago 00:11:29 1
🚨 Bill Gates INDICTED and Heading to Trial! The Charges That Could Change Everything.
8 months ago 00:22:24 2
Why didn’t I know this before! 12 Ingenious Tips & Hacks That Work Extremely Well
8 months ago 00:16:29 0
Why Are Prosecutors Choosing To Protect Criminals At The Expense Of Their Victims?
8 months ago 00:21:03 6
VIBRACIONES Radio Capital Mexico -21 minutos de clasicos- 197x-xx-xx