radium-clock

3 года назад

This video tests the radioactivity of vintage watches using a Geiger counter. The host tests watches with radium, tritium, and promethium lume, comparing their readings to background radiation. The video highlights the importance of understanding the health implications of radioactive watches and encourages viewers to learn more about the topic.

1 год назад

This video demonstrates a simple test using a cheap UV flashlight to distinguish between radium and tritium watch dials. The presenter shows how the two types of luminescent materials react differently to UV light, highlighting the distinct glow patterns. The video encourages viewers to try the test on their own watches and share their results.