Eclipsed Nature – Dark Wonders of Earth on Instagram: "🌊 Top 3 Moments of Tsunami Warnings Caught on Camera ⚠️🌍 When the ocean sends its deadliest signals, seconds can mean life or death. These moments capture the raw power and warning signs of tsunamis like never before. 🚨 Moment 1 – Water Recedes Rapidly: The sea pulls back unnaturally, exposing the seabed — nature’s first and deadliest alert. 🌪️ Moment 2 – Sudden Wall of Water: A towering wave forms on the horizon, building fear and chaos

@explaining._science on Instagram: "A shockwave is a powerful, fast-moving disturbance that travels through a medium (air, water, or even solid materials) when something moves faster than the speed at which sound normally travels in that medium. Here’s the key idea: Normally, sound waves spread out smoothly in all directions. But if an object (like a jet, explosion, or even a bullet) moves faster than sound, the pressure waves “stack up” and combine into a single, very sharp and intense wavefron

History Photographed on Instagram: "This is the phenomenon of astronauts temporarily having difficulty readjusting to Earth's gravity after spending time in space.⁠ ⁠ This condition, which is called orthostatic intolerance, is a condition where the bodies struggle to adjust to Earth’s gravity in an upright position. ⁠ ⁠ In space, their bodies adapt to microgravity, which weakens leg muscles and causes cardiovascular changes. ⁠ ⁠ Back on Earth, standing up can lead to a sudden drop in blood press