Circular Perspex Block for Refraction Science at Home_Earth Science Use for investigation of gas

Use for investigation of gas at constant volume By inserting the glass bulb into either warm or cold water the expansion and contraction to the air contained in the bulb can be seen as a pressure change on the gauge

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

Two pith balls suspended on unspun silk from a brass pillar

Designed for strong divergence demos

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

Circular Perspex Block for Refraction Science at Home_Earth Science Use for investigation of gasRound 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.