Smoke rings

Smoke rings are one of the most common yet fascinating phenomena that occur in nature, oh yes; these toroidal, or donut-shaped vortices, are formed by blood flowing through the human heart, expelled as bubble rings by dolphin and other marine mammals for amusement, and even ejected from the craters of erupting volcanoes!! So how are they formed? It all breaks down to this fundamental principle … Continue reading Smoke rings

DIY: Build your own dancing ghost!

What just happened? How did the ghost dance? The answer: Electromagnetism All of this started about 200 years ago! There was this man called Hans Christian Oersted. He was a pharmacist, but was fascinated by Science. So he also became a Professor of Physics. His passion for Physics in fact led him to discover one of the most important principles of modern Physics, Electromagnetism! But how did he do … Continue reading DIY: Build your own dancing ghost!