49K views · 1.4K reactions | The Principles of Aquaponics are very simple but the mastery requires some work. We're now into Week-2 of our 8-Week Online Course and students are now delving in the chemistry of maintaining a balanced aquaponics system with the right pH for excellent plant growth and fish health. | Aquaponics Design Course | Facebook

Ultrasonic Levitation and its Industrial Applications

1.9K views · 72 reactions | Acoustic levitation is a method for suspending matter in air against gravity using acoustic radiation pressure from high intensity sound waves. Evolvingknowledge.org | The Source Within | Facebook