365-uv

1 год назад

This video compares two UV flashlights, one with a 365nm wavelength and the other with a 395nm wavelength. The video demonstrates how the different wavelengths affect the curing of UV-reactive glue, the detection of stains, and the visibility of UV-reactive inks on currency. The video also tests the UV protection of glasses.

1 год назад

This video compares three different UV flashlights: 365nm, 385nm, and 395nm. The video explores how each wavelength interacts with various materials, including urine, counterfeit money, and glow-in-the-dark objects. The presenter demonstrates the strengths and weaknesses of each wavelength for different applications.