Description

Two pith balls suspended on unspun silk from a brass pillar

and small diffraction objects in the optical-bench beam path for repeatable interference and diffraction work

a 12V/21W lamp house

Designed for strong divergence demos

running battery-free for repeatable classroom and stockroom use

Circular Perspex Block for Refraction Science at Home_Earth Science Two pith balls suspended onRound perspex refraction block, the curved face geometry letting beams enter along any radius for clean Snell's law angle work in ray box and refraction setups.

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Circular Perspex Block for Refraction Science at Home_Earth Science Two pith balls suspended on

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