US$ 136.00
interference - within reach of an introductory wave-mechanics curriculum
adjustable from 0 to 45 degrees with an alignable pulley and included pan and roller
transparent housing revealing the hydropower conversion inside the casing
visualizing the relationship between local motion and seismic recording for geology lessons
Clear Acrylic Light Pipe, 24 x 0.5" Safety Supplies_Eye Protection interference - within reach ofTwo foot acrylic rod with one end coiled into a 9 inch loop, transmitting light end to end via total internal reflection to give a tabletop analogue of a fiber optic cable.
US$ 136.00
US$ 249.00
US$ 142.06
US$ 249.00
US$ 222.50
US$ 20.00
US$ 180.00