A black light is commonly used by dermatologists to detect skin disorders, by "bug zapper" insect traps. They can also be used for decorative purposes as well as the arts.
Ultraviolet light.
lights by grasscut
yellow and black
I think they were used as the LED lights for the opening ceremonies.
I'm not sure about black lights but in-fared lights are good for night time lighting and heating
They are sometimes called "black lights".
black lights are lights. so they are not flourescent, however they can light up flourescent objects (like highlighter ink or paper)
You can Rent Black Lights almost everywhere even at some Party Stores.
cat pee and scorpions glow under black lights, but i dont know what you can see with black lights.hope i helped=]
Yes, they are both the same.
Yes, they are both the same.
The black boxes were lights that were used during the opening ceremonies. They flashed and linked along with the music, and were also an interactive element for the audience. During the ceremony, there were "Mechanicals,"who demonstrated how and when to use the lights.