Sunday, 20 March 2022

Black Light

 

Using a UV light to show up the invisible parts of bank notes enthused the students some claiming they hadn't seen a £50 note before and seeing that it was genuine. I was glad all the notes we looked at were genuine.

No comments:

Post a Comment

Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...