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.
... (458.2/mi²). The racial makeup of the town is 89.82% White, 1.47% African American, 0.20% Native American, 1.45% Asian, 0.02% Pacific Islander, 3.86% from ...