* Most UVA blacklights come in fluorescent form. A small amount of mercury added to the tube emits photons in the UV range, but a special coating makes it visible again. Enough light still gets ...
This year, many internationally recognized architects have entered collaborations with furniture and light design companies, exploring the intersection of design and architecture. Despite the ...
There is no such thing as “black light wavelength”—so why do black T-shirts, black crayons, and black marking pens look black? Investigate a variety of black ink markers, and find out why they look ...