Ten dollar infrared goggles

A guide to make your own makeshift infrared goggles.

Needed:

  • Cheap welding goggles (w/round removable lenses)
  • Sheet of “Congo Blue” filter gel (Lee #181, or Rosco #382)
  • Sheet of “Primary Red” filter gel (Lee #106 or Rosco #27)
  • Link
    (via Boing Boing).

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