How are smoke rings formed? 💨 Natasha tests out some air cannons. | Royal Institution of Great Britain

96K views · 549 reactions | According to scientists, Mount Etna emits more vortex rings than any other volcano on Earth. | CNN International | Facebook

8.8K views · 147 reactions | The latest Yu-Gi-Oh! booster set Blazing Vortex is now available at your local OTS and everywhere else now! Check in with your local OTS for availability. ► OTS Locator: https://yugiohblog.konami.com/locator/​ ► Product Page: https://www.yugioh-card.com/en/products/bp-blvo.html | Official Yu-Gi-Oh! TRADING CARD GAME (TCG) | Facebook

Hold up the new AMG® UH-1® Gen II next to the Gen I and you’ll notice the Gen II is sleeker, with a bigger rear window, but go beneath the surface, and you’ll see the difference between the Gen I and the Gen II is as clear as day and night. | Vortex Optics