A spectroscope is a device which measures the spectrum of light. Early spectroscopes were simply a prism with graduations marking wavelengths. Modern spectroscopes generally use a diffraction grating, a movable slit and some kind of photodetector[?], all automated and controlled by a computer.
... 0.02% Pacific Islander, 0.96% from other races, and 0.78% from two or more races. 3.89% of the population are Hispanic or Latino of any race.
There are 4,578 households ...