What is quantum gravity?

Описание: The two greatest theories of modern physics - quantum mechanics and general relativity - don't fit together. Various approaches to quantum gravity are being explored to bring about a reconciliation.

My other YouTube channels:
The Science Fiction Rock Experience ( the music show I produce):
   / @sciencefictionrockexperience  
Discover Maths (with Juan Medina):
   / @discovermaths  
Science World (with Emrah Polat):
   / @scienceworld1  

My website: https://www.daviddarling.info

My other videos on particle physics
Planck and the birth of quantum mechanics, 1    • Max Planck and the birth of quantum theory...  
What on Earth is the Higgs boson?    • The Higgs boson  
Beyond the Large Hadron Collider    • Beyond the Large Hadron Collider: What's n...  
String theory part 1    • String theory part 1  
String theory part 2    • String theory part 2  
String theory part 3    • String theory part 3: M-theory and beyond  
Strangelets    • Strangelets: Scary Physics part 1  
The Standard Model    • The Standard Model  
The Large Hadron Collider: Genesis Machine    • The Large Hadron Collider: Genesis Machine  
What’s next at the Large Hadron Collider?    • Large Hadron Collider: What's Next?  
Are we on the brink of new physics?    • Are We On the Brink of Physics Beyond the ...  
Has a fifth force been found?    • Has a fifth force been found? Breaking new...  
Breakthrough at the Large Hadron Collider?    • Breakthrough at the Large Hadron Collider  
Tachyons    • Tachyons: hypothetical faster-tha-light pa...  

Images: CERN, NASA, Fermilab
Music: https://www.purple-planet.com