Optical Emission

Famous quotes containing the words optical and/or emission:

“There is an optical illusion about every person we meet.”
—Ralph Waldo Emerson (1803–1882)

“Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let’s not go overboard in setting and enforcing tough emission standards from man-made sources.”
—Ronald Reagan (b. 1911)