11 February 2025

Showing refraction in water


 A quick demo for the students on the refraction of a laser when the beam hits the water's surface. The dye shows up the path of the laser, so it is very easy to see what happens.

No comments:

Post a Comment

Seeing the Invisible – Electrons in a Cathode Ray Tube

Seeing the Invisible – Electrons in a Cathode Ray Tube Electrons… tiny, negatively charged particles that you can’t see, touch, or smell. Y...