Radiation is the emission (sending out) of energy from any source. There are many types of radiation. Ultraviolet (UV) radiation is a form of electromagnetic radiation. The main source of UV radiation (rays) is the sun, although it can also come from man-made sources such as tanning beds and welding torches.Radiation exists across a spectrum from very high-energy (high-frequency) radiation â like x-rays and gamma rays â to very low-energy (low-frequency) radiation â like radio waves.he main source of UV radiation (rays) is the sun, although it can also come from man-made sources such as tanning beds and welding torches. Radiation exists across a spectrum from very high-energy (high-frequency) radiation â like x-rays and gamma rays â to very low-energy (low-frequency) radiation â like radio waves.
By Heidi, White is a simple, clean and crisp color with many different varieties: off-white, eggshell, bright white, ivory, cream, ecruâ¦wait, whatâs ecru? Ecru is the term often used by fine stationery printers to describe ivory or cream colored paper.
Colors also convey messages that go beyond ethnic, racial, or gender boundaries. According to a 1997 survey by Cooper Marketing Group, Oak Park, IL, power is represented by the color scarlet red for 25% of respondents, black for 17% and bright violet blue for 13%.More than 55% of those surveyed chose one of these three colors out of 100 colors.ccording to a 1997 survey by Cooper Marketing Group, Oak Park, IL, power is represented by the color scarlet red for 25% of respondents, black for 17% and bright violet blue for 13%. More than 55% of those surveyed chose one of these three colors out of 100 colors.