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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
Light
Beer's Law Lab
Beer's Law Lab
Bending Light
Blackbody Spectrum
Color Vision
Color Vision
Geometric Optics
The Greenhouse Effect
Lasers
Models of the Hydrogen Atom
Molecules and Light
Molecules and Light
Neon Lights & Other Discharge Lamps
Optical Quantum Control
Photoelectric Effect
Quantum Wave Interference
Wave Interference
