Identify chemicals with radio frequencies - Nuclear Quadrupole Resonance (MRI without magnets)

How to build and test an NQR spectrometer, which is similar to MRI, but uses no magnets. NQR frequencies are unique among all tested compounds, so detecting a resonance indicates a near certainty that a specific chemical is present. Tektronix 2-series oscilloscope: Video capture was done via VNC client Zeeman effect shifting optical spectral lines: Atomic clock calibration using Zeeman effect: W2AEW's RF tutorial on quarter wave transmission lines: Water deflected by electric field: Litz wire only helpful between 50KHz and - Support Applied Science on Patreon: Q/A Why use vacuum variable capacitors? The parallel LC circuit develops well over 1000 volts d