Nikola Tesla famously said, “If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.” The video above by the pseudonymous Belgian optical illusionist Brusspup (previously featured on Forbes.com here) has made the best documentation so far of the Chladni plate experiment, where grains of salt are vibrated on a square plate. At certain predictable audio frequencies, the randomly sprinkled sand organizes itself into predictable graphic patterns.