Is there anything cooler than things that glow in the dark? It’s great fun experimenting with things that glow in the dark and black lights are the perfect tool to do so. These are the lights that you find in use in quite a few places: haunted houses, rock and mineral displays, some parties, some art displays, at crime scenes, and in banks. But why are they in so many places and how do they work?
Rating 40 Downloads 473 Views Updated: Friday, July 15, 2016 - 1:33pm