About this video
This video shows how credit cards work and some of the secret technology inside them. It also talks about a hidden listening device used by the Soviets! Learn about the history of credit cards and how they keep your money safe.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What did the Soviet bug use to send signals?
Answer: Radio waves
Q2 What year was the first credit card invented?
Answer: 1950
Q3 What dissolves a credit card?
Answer: Acetone
Comments (0)
No comments yet — be the first!