Barton's pendulums experiment demonstrates the physical phenomenon of resonance.
Notes on verification
Confirmed by multiple independent physics education sources (Harvard, IOP, Schoolphysics) that consistently describe Barton's pendulums as a classic resonance demonstration. [tier=silver indep_score=0.833 clusters=3 claim_tier=everyday]
Sources
- Barton's pendulums (wikipedia)
- https://sciencedemonstrations.fas.harvard.edu/presentations/bartons-pendulum (corroboration)
- https://www.schoolphysics.co.uk/age16-19/Mechanics/Simple%20harmonic%20motion/text/Resonance_/index.html (corroboration)
- https://spark.iop.org/sites/default/files/media/documents/Episode%20307%20-%20Resonance.doc (corroboration)