CoilGUN
Hardware
LOTS of VAST capacitors (can be obtained from lots of CRTs degauss circuits)
Hi-voltage generators (photographic flashes, single-use cameras, degauss circuits)
Medium-size relays that are able to handle thousands of volts
Slotted optical switches (CZ: optické závory) for multi-staged coilgun
Wire
Barrel
Nails (and similar “ammo”)
Links
Inspiration