18 Gon Sum Interior Angles Of A Pentagon

After the invention of the Fabry–Perot interferometer, in 1899, the mechanisms of thin-film interference could be demonstrated on a larger scale. In much of the early work, scientists tried to explain iridescence, in animals like peacocks and scarab beetles, as some form of surface color, such as a dye or pigment that might alter the light when reflected from different angles. The Pentagon Inspector General audit of the Individual Carbine competition continued despite the program’s termination. [Read More]