Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy 5 inch diameter unit produces

5 inch diameter unit produces a +/-3mm controlled vibration on a string or ripple-tank dipper when driven by an external square-wave generator

and triple bonds

Regulated 12V output at 2A capacity supports experiments drawing higher current

and numbered anatomical details for comprehensive teaching

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy 5 inch diameter unit producesSolid wooden resonance box mounts four steel forks tuned to C 256Hz, E 320Hz, G 384Hz, and C' 512Hz a major chord array struck with the included hammer to amplify intervals and harmony.