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.
Report Abuse. Earthy colors are those that resemble the colors of the outdoors. Some people mistakenly think that only browns, golds, rusts and oranges are earthy colors.But, some greens are also consider earth colors.In the traditional sense of the word, however, if someone says paint a picture using earthtones or earthy colors...they're typically looking for you to be using the brown, gold, rust and orange tones.ome people mistakenly think that only browns, golds, rusts and oranges are earthy colors.