Materials
1 set of 3D-printed double slit cards, laser mount, and tactile images
1 red laser
Optional: violet and green lasers
1 measurement grid print-off (provided in the handout)
A piece of tape
SAFETY: Do not shine the laser on any reflective surface. Do not shine the laser in a
manner that the beam enters an eye as severe damage could occur. Use the surface
provided or the ceiling to observe patterns discussed in this activity
Description
Students explore the nature of light using lasers.
Link to Introduction to Duality
Creators
Developed by UW-Madison’s Wonders of Quantum Physics Program
Funded by NSF QLCI HQAN
Reuse your materials
Other laser pointers may be substituted.
If you do not have the 3D printed materials, you can cover similar concepts in the following activities:
Particle or Wave
Measure the width of you hair