uv-light

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.

2 года назад

This video explores the uses of a UV flashlight, a tool that emits ultraviolet light. The host demonstrates how the flashlight can reveal hidden details on IDs, detect cleanliness in an Airbnb, and even illuminate certain creatures in the wilderness. The video also highlights the flashlight's ability to charge glow-in-the-dark items.

4 года назад

This video explains how UV light germicidal bulbs work to sterilize and disinfect various environments, including medical facilities, laboratories, and wastewater treatment plants. The video also discusses the different shapes and sizes of these bulbs, as well as the safety precautions that must be taken when using them.