If you’ve managed to break your boxy old computer monitor by sticking a magnet on it, you have a lot to learn about the 20th century technology of cathode ray tubes.

This video is answering the question of when were colour TVs invented.

In this recording of a live panel at the Johnson Space Center, experts discuss the historic Apollo 10 mission and how the lessons learned from that time will help us achieve our goal of returning to the Moon in 2024. HWHAP Episode 92.