This is a replica of an 18th century Grand Orrery. It shows all of the planets and moons that were known at the time, and they orbit around the sun at the correct relative speeds.
A set of cannons that fire projectiles using electrostatic force built up on the metal balls.
19th century oscillograph. It displayed electrical waveforms.
I had no idea they needed a special tool for that.
Why are electronic calculators not this cute?
This is why you should never buy school supplies at the dollar store.
Electrodes for a 1936 cyclotron. The particles were inserted in the gap between them to be accelerated.
Kerri looking through camera microscope.
3D glass models of fungi. The one on the left is the grey, furry mold you get on fruits like strawberries. The one on the right makes your lettuce leaves go yellow and eventually turn soft.
Kerri looking through a very old telescope
Kerri is too short to reach a very, very old telescope.
