Birefrigence – 6H35.00

Stress Lines on Plastic with Polarizing Filters – 6H35.50

  • Hold a piece of plexiglass between two crossed polarizing filters and squeeze it.
  • The stress lines of the plastic should become visible.
  • This demonstration can be done on an overhead projector to make it more visible.

Location: Jacobs B122 – Shelf 165