Polarizing Filter Stress Demonstration Apparatus Gifts Jumbo three-dimensional frog dissection model

Jumbo three-dimensional frog dissection model with keycard demonstrates amphibian anatomy and organ systems for detailed vertebrate teaching

75-inch analog-to-digital converter samples and quantizes a continuous input into a binary digital output for student visualization

internal structures

Plated spring arm with press knob and a single contact stud

green) and three secondaries (cyan

Polarizing Filter Stress Demonstration Apparatus Gifts Jumbo three-dimensional frog dissection modelBuilt to reveal stress fringes in transparent solids, this apparatus pairs two 8 inch polarizing filters in a wooden frame with four acrylic shapes that show photoelastic patterns when squeezed.