Saturday, 11 November 2023

Candle optics


 One of the few advantages to late Autumn and winter time is the dark evenings when it is very easy to carry out Candle Optics. I like seeing the faces of the students seeing the candle upside down and then explaining what has happened.

No comments:

Post a Comment

Improving Filtration Rates with a Vacuum and a Büchner Funnel

  Improving Filtration Rates with a Vacuum and a Büchner Funnel Why we use vacuum filtration in lessons when time is limited Anyone who has...