Description
demonstrating conservation of momentum and energy through ball-to-ball collisions
Simultaneous AC and DC output on this low-voltage power supply
diffraction
an Erlenmeyer flask
Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels
Working Steam Engine Model with Piston and Slide Valve Stock Type_Stocked demonstrating conservation of momentum andCutaway working steam engine model with piston, slide valve, and link motion reversing mechanism, the flywheel light enough to drive by breath for hands on reciprocating engine study.
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