Garage Physics Trigonometry Exploration Puzzle Kit Glassware_Crow Receivers deflecting visibly in the presence

deflecting visibly in the presence of a charged object to reveal both charge presence and polarity

Sliding-window gold-leaf electroscope with anodized aluminum walls and an internal scale

Plastic holder atop a 4

Colloidal ferrofluid of sub-10nm magnetic nanoparticles in a 50mL bottle that forms peaked spike patterns in a magnetic field

Garage Physics Trigonometry Exploration Puzzle Kit Glassware_Crow Receivers deflecting visibly in the presenceTrigonometry puzzle kit in wooden blocks demonstrating sine, cosine, tangent, cotangent, secant, cosecant, special triangles, and radians through tactile manipulation of each function.