There are many different types of objects, liquids and substances that glow when exposed to black light. Generally, these liquids have molecules with rigid structures and delocalized electrons because these properties usually lend themselves to the reaction of glowing under a black light. Some examples of liquids that glow under a black light are petroleum jelly, tonic water, water with vitamins in it, antifreeze and even some bodily fluids.Continue Reading
When fluorescent substances are exposed to a black light, they glow. This is because they absorb the ultraviolet light that emits from the black light device and re-emit it. A slight modification in energy occurs, however, which makes the emitted light visible to the human eye. Because of this effect, certain substances appear to glow. Some animals even glow under a black light.
Other types of liquids that glow under a black light include chlorophyll, laundry detergent and some types of cleaners. Tooth whiteners also often glow under a black light. Because these materials are composed of different things, but have a similar effect on the energy they absorb from the black light, they do not all glow in precisely the same way. In fact, many substances glow in different colors from one another when exposed to a black light.Learn more about Lighting
Black lights can detect leaks in automobiles, authenticate art works, identify counterfeit money and detect evidence at crime scenes. A portable black light used in the home is useful for finding pet stains and sources of pesky odors. It can help to check in tight and hard-to-reach spaces for anything that would normally be missed during routine cleaning.Full Answer >
To make a black light ladybug trap, add some water to a bottle and place it near a black light in a darkened room. It is best to use an old wine bottle or plastic soda bottle, as the sweet scent will attract more ladybugs.Full Answer >
Create black light paint by adding a small amount of brightening agent to regular paint. Brightening agents are often sold as fabric brighteners or whiteners. Brightening detergents can also be used as a substitute for brightening agents.Full Answer >
There are a variety of artificial lights, including LEDs, incandescents and gaseous discharge. Artificial light is that which people have created in order to provide illumination for buildings.Full Answer >