35 reactions | Not all jet boats are created equal, and Vortex closed loop cooling is an exclusive feature. It offers a consistent temperature with clean coolant that provides the ultimate in corrosion protection. Take the Vortex challenge today: www.vortexboats.com/Content.php?content=vortex_challenge | Vortex Boats | Facebook

Polar vortex brings dangerous cold

Polar vortex to blast 30 states with life-threatening cold: 'Be prepared'

Edu Fabrica on Instagram: "🌪️⚙️ Edufabrica — Daily Knowledge Booster Topic: Vortex Tubes — Cooling Without Electricity! ❄️🔥 Did you know? A Vortex Tube can instantly generate hot and cold air from compressed air alone, without any electricity or moving parts! This remarkable device uses the Ranque-Hilsch effect, where rapidly spinning air separates into two temperature streams — one icy cold and one hot. 🔍 Why It’s Impressive: Works without electricity Air cooling up to –40°C ❄️ Air heating u