SciShow
How Do Chips Make Credit Cards More Secure?
If you live in the United States, you might have recently gotten a credit card with a microchip on it. But what does this chip do that makes it any different than the magnetic strip on the back of the card?
Curated Video
Cracking Monoalphabetic Ciphers
Quantum physicist Artur Ekert (Oxford and NUS) describes how so-called "monoalphabetic ciphers" can be cracked using statistical analysis.
Curated Video
Secure Communications
Quantum physicist Artur Ekert (Oxford and NUS) highlights the importance of a one-time pad to generate secure communication between two parties.