"Opalescence is a type of dichroism seen in highly dispersed systems with little opacity. The material appears yellowish-red in transmitted light and blue in the scattered light perpendicular to the transmitted light. The phenomenon is named after the appearance of opals."

"When you use Omegle, we pick another user at random and let you have a one-on-one chat with each other. Chats are completely anonymous, although there is nothing to stop you from revealing personal details if you would like."