Cryogenic Vial, Can Store Samples At Temperatures As Low As -196 Deg C (Approximately -321 Deg F) And Have Leak-Proof Silicone-Lined Caps, And White Labeling Areas.These Vials Have A Capacity Of 5Ml And Are 56.9Mm (2.24 In) Tall And 20Mm (0.79 In) Diameter
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
Racing Rings consists of three rods one each of copper, aluminum and PVC, Ring magnet is dropped down the PVC rod, it falls unobstructed, Two metal rods create an induced magnetic field to that adds resistance to the rings travel, metals are different, they fall at different rates
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