Hand-Crank Van de Graaff Generator, 100,000V Biology Seventy-times enlarged skin cross section

Seventy-times enlarged skin cross section reveals epidermis

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

and wood for multi-material pendulum

ventricles

exposing the full urinary tract for combined anatomy and physiology teaching at 15 by 9 inches

Hand-Crank Van de Graaff Generator, 100,000V Biology Seventy-times enlarged skin cross sectionHand cranked to convert mechanical work into electrostatic energy, this Van de Graaff generator delivers spark producing high voltage demonstrations in the physics classroom.