The Science of Information: From Language to Black Holes

Course Overview

Explore 24 lectures on information theory with physicist Professor Benjamin Schumacher, covering cryptography to quantum computing and the fundamental role of information in the universe.

Video Lessons

Foundations of Information

1. What is Information? (33 min)
   Shannon’s revolutionary definition and the birth of bits
   3-4. Measuring Information (62 min)

• Entropy as a measure of surprise
• Average surprise concepts

Information Processing

2. Computation Logic (31 min)
   Shannon’s Boolean algebra breakthrough
   5-6. Data Compression (61 min)

• Prefix-free codes and Shannon’s first theorem
• MP3/JPEG encoding techniques
  7-8. Error Correction (63 min)
• Noise challenges and channel capacity
• Voyager spacecraft error-proofing

Cryptography

10-12. Secret Codes (91 min)

• Caesar cipher to modern encryption
• Enigma machine cryptanalysis
• Unbreakable one-time pads

Biological Information

13-14. Genetic Code (62 min)

• DNA as digital medium
• Origins of life computation theories

1. Neural Codes (31 min)
   Brain’s information capacity

Quantum Frontiers

21-22. Quantum Information (62 min)

• Qubits and quantum computing
• Entanglement-based cryptography

Theoretical Limits

19-20. Algorithmic Limits (62 min)

• Turing machines
• Uncomputable functions
  23-24. Cosmic Information (64 min)
• Black hole information paradox
• “It from bit” universe theory