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 helium 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.
Use this laser pointer for any professional presentation!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This SUPER Erector Construction set is one of the best you'll find anywhere!
Explore the wonders of wind power with this amazing kit!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This kit focuses on teaching children about electricity and how electronic devices work!