Black hand-held prism Spectroscope.
Grating Gem Spectroscope.
Everywhere we look we see rainbows, using our spiffy Spectroscopes.
Modern Spectroscopes generally use a diffraction grating,
a movable slit, and some kind of photodetector, all automated and controlled by a computer.
Upon their arrival at the laboratory, the laser Spectroscope malfunctions when it is activated,
raising the possibility of something else being transported to Earth.
Late in life(1862), Faraday used a Spectroscope to search for a different alteration of light,
the change of spectral lines by an applied magnetic field.
He then destroys the laser Spectroscope, preventing more Dark Overlords from arriving on Earth,
but also ruining Howard's only chance of returning to his planet.
Later on in his life, in 1862, Faraday used a Spectroscope to search for a different alteration of light,
the change of spectral lines by an applied magnetic field.
Mendeleev further predicted that
eka-aluminium would be discovered by means of the Spectroscope, and that metallic eka-aluminium would dissolve slowly in both acids
and alkalis and would not react with air.
A small personal model of advanced Spectroscopes can easily be made by anyone using a
box made of cardboard that has a very narrow window used to channel light into the Spectroscope.