Piezo Buzzer in Vacuum Chamber Waves Demonstrate the spectrum of a

Demonstrate the spectrum of a gas discovered in the sun

A Built-In Calibration Source for Spectrometer Labs – Neon's many lines at published wavelengths make it a standard calibration reference in spectroscopy

Why Teachers Love the Pascal’s Vases

Fill your whole classroom with non-toxic fog for unforgettable laser demonstrations

end pulleys/brackets

Piezo Buzzer in Vacuum Chamber Waves Demonstrate the spectrum of aA modern replacement for the traditional Bell Jar and Ringer. An acrylic chamber houses a battery operated, high output piezo buzzer. When the end plates are attached and the unit connected to a vacuum pump no sound can be heard but the sound returns when the air is allowed back in.