Description

Designed for strong divergence demos

running battery-free for repeatable classroom and stockroom use

Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA

and raised molded graduations

sized to fit the PH0380A bar-breaking apparatus for repeated thermal-contraction fracture demonstrations

Circular Perspex Block for Refraction Science at Home_Earth Science Designed for strong divergence demosRound 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 Designed for strong divergence demos

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