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

Measuring Reaction Rates with an Ohaus Balance and PASCO Capstone

  Measuring Reaction Rates with an Ohaus Balance and PASCO Capstone One of the most reliable ways to determine the rate of a chemical react...