Update 'README.md'

README.md

@@ -38,6 +38,7 @@ ___
 - [Banach Tarski Paradox](https://en.wikipedia.org/wiki/Banach%E2%80%93Tarski_paradox)
 - [Courcelle's Theorem](https://en.wikipedia.org/wiki/Courcelle%27s_theorem)
 - [Quantum Cheshire Cat](https://en.wikipedia.org/wiki/Quantum_Cheshire_cat)
+- https://blog.cloudflare.com/pq-2025/
 
 
 ## [Mathematics and Theoretical Computer Science](mathematics.md)