"tube coolers"

How Does Mass Affect Transverse Waves?

This aluminum tuning fork has sliding weights on each tine.

Even frequencies make harmonic relationships clear and calculations easier.

Designed for Physics and Physical Science experimentation.

Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

These Physical Pitch Sets are highly accurate.

Long, pure sounding aluminum tuning forks.

Demonstrate the optical principles of lenses and mirrors.

High precision, quantitative atomic spectra experiment.

This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.