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Created 12/2/15. Updates available
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Simulations
Teaching Resources
Troubleshooting
FAQs
For Translators
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Research
Licensing
About PhET
Photons
Beer's Law Lab
Beer's Law Lab
Color Vision
Color Vision
Lasers
Models of the Hydrogen Atom
Molecules and Light
Molecules and Light
Neon Lights & Other Discharge Lamps
Photoelectric Effect
Quantum Wave Interference
