Spectrum discharge tubes contain gases that, when ignited, emit different waves of light (or the gas’s spectral lines). This is how scientists are able to determine the gaseous make-up of planets in our solar system. This oxygen spectrum discharge tube is approximately 10.25 inches long with electrodes sealed at both ends that are connected to lead wires protected by metal caps. It needs an induction coil spark of approximately 5cm or a suitable power supply for use. Recommended for use by adults only, this is excellent for use in classroom demonstrations or college-level science projects.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
See the constellations visible in the Northern Hemisphere on this watch!
Great tarantula specimen for the science classroom!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This kit allows to build up to 3 different robots!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.