Particle Poster Sized Chart 30 X 21 inch, inchcludinchg more about neutrinchos and a section on Unsolved Mysteries inchcludinchg dark matter and dark energy.
X-ray goniometer, document angles on X-ray negatives, 180 deg head has two opposing scales marked in 2 1/2 deg increments, Black anodized aluminum with easy-to-read white radiopaque markings, size: 8 in
Franck-Hertz Apparatus II, improved model of the well-known Franck-Hertz Apparatus (FHA001), featuring updated electronics with better stabilization and digital readouts for voltage and current (more robust, easier to read correctly)
Radiation Can Kit, Demonstrate how two identically sized cans absorb and radiate energy differently, contains a lamp assembly with reflector and stand(bulb not included), smooth metal can, one black metal can, and thermometer, Includes activity guide