Lossless compression relies on dictionaries. Dictionary is basically a patterns that are found within a given communication. If even a single bit changes under a modern encryption algorithm, for example, you can't reverse it back. We've got to wrap up this segment of Star Talk with government whistleblower Edward Snowden.
Neil deGrasse Tyson chats with whistleblower Edward Snowden via robotic telepresence from Moscow. In Part 1, they discuss Isaac Newton, knowledge and learning, the Periodic Table, encryption and privacy, and much more.
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