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  1. Calculating of the heat dissipation of a LED - Physics Forums

  2. How many LED's are in a typical LED monitor? - Physics Forums

  3. Condenser lens retrofit for a lighting application - Physics Forums

  4. Why is a current produced when shining light into LED - Physics …

  5. Collimating incoherent light emitted by a LED - Physics Forums

  6. How to calculate slit separation? - Physics Forums

  7. Invisible Ink that you can see through an IR lens - Physics Forums

  8. Can a magnifying mirror or prism be used somehow as a low-tech …

  9. Optics Forum | Physics Forums

  10. Incandescent Lamp: Red & Green Light Filter Color - Physics Forums