![]() So occasional exposure to a blacklight blue bulb is not expected to cause any health problems. ![]() UVA, which is closest to the visible light spectrum, is the safest of the three, and this is primarily the type of UV light emitted by a black light. Since ultraviolet or UV light is infamously associated with skin cancer and potentially other health problems, it's worth mentioning that there are three types of UV light: UVA, UVB, and UVC. And now you know that was really a blacklight blue light bulb. So if you remember seeing your shoe laces glowing from a black light, this is why. But they can cause items to fluoresce, or glow, and this is why we get a fluorescent effect from these bulbs, which are often used in night clubs or at parties especially during Halloween. The rest of what comes from the bulb is beyond violet, or what we call "ultraviolet" - wavelengths that are too short for us to see with our eyes. Let's explore those differences.Ī blacklight blue bulb is a light bulb that purposely blocks almost all visible light from leaving the bulb, so you're left with only a dim purple (or violet) glow coming from the bulb. There are differences between these and what the industry calls a true black light (BL). This is because certain objects "fluoresce" under ultraviolet (UV) light, which is what a black light emits.īut when we talk about black lights, many of us are actually referring to what the lighting industry calls a "blacklight blue" bulb (BLB). Most of us are familiar with the special effect of what we commonly call black lights - when everything else is dark, a black light makes certain objects glow in the dark.
0 Comments
Leave a Reply. |