Alnico Bar Magnet Pair, 6" Rod Material_Steel varying length isolating density as

varying length isolating density as the single variable across materials

and d2sp3 atoms for hybridization-and-geometry visualization

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

letting students sweep through resonance and watch amplitude peak when drive matches natural pitch

Alnico Bar Magnet Pair, 6" Rod Material_Steel varying length isolating density asUsed to demonstrate broad pole separation effects, this 6 inch Alnico bar pair extends field lines visibly along the magnet body for full class iron filing demonstrations.