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The Scientific Lens

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Physics, Astronomy and beyond. A curated deep dive, from the subatomic to the supermassive.

Shorts

Everything we call real is made of things that cannot be regarded as real. If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet. — Niels Bohr

Everything we call real is made of things that cannot be regarded as real. If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet. — Niels Bohr

539,843 次观看

When an object passes the focal point of a concave mirror, its image inverts

When an object passes the focal point of a concave mirror, its image inverts

1,397,732 次观看

Two balls rolling down two slopes. While the indirect path proves faster at first, the direct path wins in the end. Credit: Matt Henderson

Two balls rolling down two slopes. While the indirect path proves faster at first, the direct path wins in the end. Credit: Matt Henderson

1,278,858 次观看

Harmonic oscillation in a levitated water drop Ultrasonic standing waves levitate a water droplet and flatten it into a disk. Modulating the sound at its resonance frequency excites harmonic shape modes creating rotating "star drops"

Harmonic oscillation in a levitated water drop Ultrasonic standing waves levitate a water droplet and flatten it into a disk. Modulating the sound at its resonance frequency excites harmonic shape modes creating rotating "star drops"

325,444 次观看

Any sufficiently advanced technology is indistinguishable from magic. — Arthur C. Clarke

Any sufficiently advanced technology is indistinguishable from magic. — Arthur C. Clarke

91,284 次观看

This is Chaos Theory in a nutshell. What looks like a simple circle is actually a complex engine of divergence. We are all just results of the first few bounces.

This is Chaos Theory in a nutshell. What looks like a simple circle is actually a complex engine of divergence. We are all just results of the first few bounces.

80,382 次观看

What percentage of the universe do you think is permanently trapped outside our observable bubble?

What percentage of the universe do you think is permanently trapped outside our observable bubble?

46,109 次观看

If you collapse an underwater bubble with a sound wave, light is produced. Do you know why? (ANSWER IN THE REPLIES)

If you collapse an underwater bubble with a sound wave, light is produced. Do you know why? (ANSWER IN THE REPLIES)

39,481 次观看

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“While spacewalking I realized something, I used to think I was scared of heights but now I know I was just scared of gravity.” ― Artemis II Astronaut Reid Wiseman

“While spacewalking I realized something, I used to think I was scared of heights but now I know I was just scared of gravity.” ― Artemis II Astronaut Reid Wiseman

The Scientific Lens

8,171,750 次观看 • 3 个月前

Despite being just one cell, Lacrymaria olor is a formidable predator that hunts and consumes other microorganisms. 📽: James Weiss

Despite being just one cell, Lacrymaria olor is a formidable predator that hunts and consumes other microorganisms. 📽: James Weiss

The Scientific Lens

1,806,271 次观看 • 3 个月前

Turbulent air flow around the landing gear of a Boeing 777X [This took over 1 million processor hours to simulate]

Turbulent air flow around the landing gear of a Boeing 777X [This took over 1 million processor hours to simulate]

The Scientific Lens

1,135,564 次观看 • 3 个月前

Why do humans find symmetry so appealing? Is it biological, evolutionary, or a product of our collective consciousness?

Why do humans find symmetry so appealing? Is it biological, evolutionary, or a product of our collective consciousness?

The Scientific Lens

1,231,166 次观看 • 4 个月前

You can model a lightning strike by letting it solve a maze. If there is no connection, nothing happens. The air simply resists. If there is a connection, that path becomes the easiest route, so the discharge snaps through it.

You can model a lightning strike by letting it solve a maze. If there is no connection, nothing happens. The air simply resists. If there is a connection, that path becomes the easiest route, so the discharge snaps through it.

The Scientific Lens

939,578 次观看 • 3 个月前

The universe is predictable, until it isn't. This wheel isn't broken; it’s caught in a tug-of-war between gravity and momentum. Even though the water falls at a constant rate, the wheel’s direction is hypersensitive to the tiniest change.

The universe is predictable, until it isn't. This wheel isn't broken; it’s caught in a tug-of-war between gravity and momentum. Even though the water falls at a constant rate, the wheel’s direction is hypersensitive to the tiniest change.

The Scientific Lens

574,483 次观看 • 4 个月前

A method of drawing infinitely many touching circles Credit: Matt Henderson

A method of drawing infinitely many touching circles Credit: Matt Henderson

The Scientific Lens

486,699 次观看 • 3 个月前

“Engineering is the closest thing to magic that exists in the world” — Elon Musk

“Engineering is the closest thing to magic that exists in the world” — Elon Musk

The Scientific Lens

201,356 次观看 • 3 个月前

“There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.” ― Albert Einstein

“There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.” ― Albert Einstein

The Scientific Lens

62,783 次观看 • 27 天前

$What if gravity wasn’t exactly inverse square? Left: F ∝ 1/r² → Perfect, usual closed elliptical orbit Right: F ∝ 1/r^{2.01} → Just 0.5% different… and the orbit no longer closes. It slowly precesses, painting this hypnotic rosette pattern$

What if gravity wasn’t exactly inverse square? Left: F ∝ 1/r² → Perfect, usual closed elliptical orbit Right: F ∝ 1/r^{2.01} → Just 0.5% different… and the orbit no longer closes. It slowly precesses, painting this hypnotic rosette pattern

The Scientific Lens

38,613 次观看 • 19 天前

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.

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 Lens

143,460 次观看 • 3 个月前

This simulation shows the intricate geometric patterns formed by Mercury, Earth and Jupiter orbiting the Sun over time. A beautiful demonstration of orbital mechanics driven by gravitational laws.

This simulation shows the intricate geometric patterns formed by Mercury, Earth and Jupiter orbiting the Sun over time. A beautiful demonstration of orbital mechanics driven by gravitational laws.

The Scientific Lens

26,061 次观看 • 18 天前

Can random chaos solve a problem without using logic? Instead of "thinking," this simulation fills the maze with "smoke." Thousands of particles bounce around randomly until one hits the exit. It’s far from efficient, but it gets the job done.

Can random chaos solve a problem without using logic? Instead of "thinking," this simulation fills the maze with "smoke." Thousands of particles bounce around randomly until one hits the exit. It’s far from efficient, but it gets the job done.

The Scientific Lens

107,232 次观看 • 3 个月前

Even though the three gravitational bodies move in chaotic and unstable ways, their center of gravity stays fixed in space. Credit: Matt Henderson

Even though the three gravitational bodies move in chaotic and unstable ways, their center of gravity stays fixed in space. Credit: Matt Henderson

The Scientific Lens

74,804 次观看 • 3 个月前

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

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 Lens

65,453 次观看 • 3 个月前

Guess what? Every triangle is equilateral if you view it from the right angle. It turns out "irregulars" are often just perfect ones seen from the wrong perspective.

Guess what? Every triangle is equilateral if you view it from the right angle. It turns out "irregulars" are often just perfect ones seen from the wrong perspective.

The Scientific Lens

40,938 次观看 • 3 个月前

What’s your take on the simulation hypothesis? If you lean one way or the other, I’d like to hear your reasoning.

What’s your take on the simulation hypothesis? If you lean one way or the other, I’d like to hear your reasoning.

The Scientific Lens

32,736 次观看 • 4 个月前

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.

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 Lens

14,564 次观看 • 2 个月前

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

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 Lens

16,700 次观看 • 3 个月前

“Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke

“Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke

The Scientific Lens

12,298 次观看 • 2 个月前