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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.

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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 views

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

1,278,402 views

Science, not Magic! A ferrofluid is placed on top of a magnet trapped in place above a superconductor. As a result, the fluid appears to hover in midair around the magnet, demonstrating both the Meissner effect and flux pinning.

Science, not Magic! A ferrofluid is placed on top of a magnet trapped in place above a superconductor. As a result, the fluid appears to hover in midair around the magnet, demonstrating both the Meissner effect and flux pinning.

659,711 views

Today’s scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. — Nikola Tesla

Today’s scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. — Nikola Tesla

404,582 views

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"

324,733 views

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

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

91,008 views

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.

80,173 views

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?

45,558 views

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)

37,886 views

Do you see emergence as something real in nature, or just a consequence of our limited ability to compute and know everything?

Do you see emergence as something real in nature, or just a consequence of our limited ability to compute and know everything?

22,990 views

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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
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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

The Scientific Lens

8,158,608 views • 1 month ago

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

The Scientific Lens

1,804,979 views • 2 months ago

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

The Scientific Lens

1,135,369 views • 2 months ago

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

The Scientific Lens

1,230,728 views • 2 months ago

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.
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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

938,669 views • 2 months ago

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.
0:54
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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

574,217 views • 2 months ago

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

The Scientific Lens

486,340 views • 2 months ago

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

The Scientific Lens

201,126 views • 1 month ago

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.
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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

143,297 views • 1 month ago

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.
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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 views • 2 months ago

Even though the three gravitational bodies move in chaotic and unstable ways, their center of gravity stays fixed in space. Credit: Matt Henderson
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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 views • 1 month ago

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
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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 views • 2 months ago

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.
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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 views • 2 months ago

What’s your take on the simulation hypothesis? If you lean one way or the other, I’d like to hear your reasoning.
0:24
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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

32,686 views • 2 months ago

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.
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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 views • 29 days ago

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
0:32
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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 views • 1 month ago

“Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke
1:31
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“Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke

The Scientific Lens

12,245 views • 1 month ago

When asked why are numbers beautiful? “It’s like asking why is Ludwig van Beethoven’s Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is.” — Paul Erdos
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When asked why are numbers beautiful? “It’s like asking why is Ludwig van Beethoven’s Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is.” — Paul Erdos

The Scientific Lens

15,982 views • 2 months ago

Quantum computers are doing math in other universes? Brian Cox explains how the "Many Worlds" interpretation might be the only way to explain how quantum computing actually works. “It's doing it in the multiple universes.”
0:41
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Quantum computers are doing math in other universes? Brian Cox explains how the "Many Worlds" interpretation might be the only way to explain how quantum computing actually works. “It's doing it in the multiple universes.”

The Scientific Lens

12,582 views • 2 months ago

Why do time slow down as you approach the speed of light? Because space and time are not separate things. They are woven together into spacetime, and the speed of light is built into its structure. Every object moves through spacetime at the same fundamental rate. When you are at rest, almost all of that motion is through time. As you move faster through space, some of that motion is redirected away from time. The total stays constant, so your clock must tick more slowly. This is not philosophy or metaphor. It has been measured with atomic clocks on airplanes and satellites. Move fast enough, and you do not just cross distances differently, you experience less time itself.
1:07
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Why do time slow down as you approach the speed of light? Because space and time are not separate things. They are woven together into spacetime, and the speed of light is built into its structure. Every object moves through spacetime at the same fundamental rate. When you are at rest, almost all of that motion is through time. As you move faster through space, some of that motion is redirected away from time. The total stays constant, so your clock must tick more slowly. This is not philosophy or metaphor. It has been measured with atomic clocks on airplanes and satellites. Move fast enough, and you do not just cross distances differently, you experience less time itself.

The Scientific Lens

12,149 views • 3 months ago

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