
The Scientific Lens
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Physics, Astronomy and beyond. A curated deep dive, from the subatomic to the supermassive.
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A method of drawing infinitely many touching circles Credit: Matt Henderson
The Scientific Lens486,699 görüntüleme • 3 ay önce

“Engineering is the closest thing to magic that exists in the world” — Elon Musk
The Scientific Lens201,356 görüntüleme • 3 ay önce

This is Earth, seen from the rings of Saturn. Captured by NASA’s Cassini spacecraft, this image shows our planet from nearly 1.5 billion kilometers away. Earth appears as a faint point of light. Every city, every history, every civilization exists within that single speck. Earth is almost lost in comparison. The scale is unforgiving.
The Scientific Lens143,460 görüntüleme • 3 ay önce

This is the anatomy of the Butterfly Effect The "fanning out" after a few bounces is an ensemble forecast. Tiny initial variations are amplified by the curved surface until near-identical deterministic paths spread into a hopeless cloud of possibilities
The Scientific Lens65,453 görüntüleme • 3 ay önce

This is Mars. A full 360° panorama of the rugged beauty, full of ancient craters, scattered boulders, endless rusty dunes, and a hazy sky under a thin atmosphere, captured by NASA’s Perseverance rover. This is how it is, just raw reality from 140 million miles away.
The Scientific Lens14,564 görüntüleme • 2 ay önce

Why does a spinning object speed up as it shrinks? This Hoberman sphere demonstration illustrates the law of conservation of angular momentum. Moment of inertia measures how mass is distributed relative to the axis of rotation. When the sphere collapses, its mass moves inward. This decrease in inertia forces the angular velocity to increase because the total momentum of the system must remain constant. This same principle allows figure skaters to accelerate their spins and causes collapsing stars to become rapidly rotating pulsars. It is a fundamental rule of physics. Geometry determines speed. Video Credit: Physics Demos
The Scientific Lens16,700 görüntüleme • 3 ay önce

“Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke
The Scientific Lens12,298 görüntüleme • 2 ay önce

