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Dental therapy: restoring smiles, one tooth at a time.

Dental therapy: restoring smiles, one tooth at a time.

7,764,210 views

Age and Sex Drive in Men Vs Women

Age and Sex Drive in Men Vs Women

500,205 views

Could this be the secret to continuous motion..

Could this be the secret to continuous motion..

8,532,275 views

You'll never look at construction sites the same way again 👀

You'll never look at construction sites the same way again 👀

395,102 views

Medical saw can cut through a cast, but not the skin.

Medical saw can cut through a cast, but not the skin.

1,405,844 views

How your car always knows how much fuel is left 🤯

How your car always knows how much fuel is left 🤯

284,357 views

Rib removal surgery.

Rib removal surgery.

1,874,473 views

Japan’s leap into the deep blue has birthed a technological titan: the world’s first megawatt-scale underwater turbine designed to anchor within the relentless Kuroshio Current. Unlike solar or wind energy, which are beholden to the whims of the weather, this subaquatic marvel taps into ocean streams that flow with permanent, unshakable consistency. Because water is roughly 800 times denser than air, even a slow-moving current carries a kinetic punch far more powerful than a howling gale, allowing these massive "sea-planes" to generate a steady, "always-on" stream of green electricity that could theoretically power the nation 24/7. ​The sheer scale of this ambition is staggering, as researchers estimate that the energy pulsing through Japan’s coastal waters could reach a capacity of 205 gigawatts—nearly enough to match the country’s entire current power generation. These turbines operate like inverted satellites, hovering in the water column and using sophisticated sensors to maintain stability against the crushing pressure of the depths. By transforming the silent, eternal movement of the Pacific into a high-tech power plant, Japan isn't just building a gadget; it is effectively turning the ocean into the planet’s largest, most reliable natural battery.

Japan’s leap into the deep blue has birthed a technological titan: the world’s first megawatt-scale underwater turbine designed to anchor within the relentless Kuroshio Current. Unlike solar or wind energy, which are beholden to the whims of the weather, this subaquatic marvel taps into ocean streams that flow with permanent, unshakable consistency. Because water is roughly 800 times denser than air, even a slow-moving current carries a kinetic punch far more powerful than a howling gale, allowing these massive "sea-planes" to generate a steady, "always-on" stream of green electricity that could theoretically power the nation 24/7. ​The sheer scale of this ambition is staggering, as researchers estimate that the energy pulsing through Japan’s coastal waters could reach a capacity of 205 gigawatts—nearly enough to match the country’s entire current power generation. These turbines operate like inverted satellites, hovering in the water column and using sophisticated sensors to maintain stability against the crushing pressure of the depths. By transforming the silent, eternal movement of the Pacific into a high-tech power plant, Japan isn't just building a gadget; it is effectively turning the ocean into the planet’s largest, most reliable natural battery.

765,882 views

An inventor who knows what true parenting is.😍💯

An inventor who knows what true parenting is.😍💯

955,536 views

This tiny jack can lift several tons... here's how 😳

This tiny jack can lift several tons... here's how 😳

153,149 views

Here's another excellent display of scientific applications.

Here's another excellent display of scientific applications.

919,817 views

Most conventional Doctors won't tell you this.

Most conventional Doctors won't tell you this.

281,465 views

Fundamental Mechanical Engineering Formulas. Credit: Maths and Physics Formula.

Fundamental Mechanical Engineering Formulas. Credit: Maths and Physics Formula.

142,031 views

Why do dentists sometimes cut the tooth before removing it? 👀

Why do dentists sometimes cut the tooth before removing it? 👀

40,480 views

The genius engineering hidden inside every car seatbelt ⚙️

The genius engineering hidden inside every car seatbelt ⚙️

40,562 views

The human eye contains no mechanism for detecting color. Photoreceptor cells detect electromagnetic wavelengths and convert them into electrical signals. The visual cortex then constructs the experience of color from those colorless frequency inputs. Every color perceived by any human being in history was built inside the brain. The external world contains no color. Only wavelength. Hubel, D.H. & Wiesel, T.N. Nobel Prize in Physiology or Medicine. 1981.

The human eye contains no mechanism for detecting color. Photoreceptor cells detect electromagnetic wavelengths and convert them into electrical signals. The visual cortex then constructs the experience of color from those colorless frequency inputs. Every color perceived by any human being in history was built inside the brain. The external world contains no color. Only wavelength. Hubel, D.H. & Wiesel, T.N. Nobel Prize in Physiology or Medicine. 1981.

56,189 views

Artemis II splash down well executed! After its lunar mission, Orion fires its engine to drop out of orbit, jettisons the service module, and hits Earth’s atmosphere at 25,000 mph, using a heat shield to survive 5,000°F temps and a “skip” maneuver to control g-loads. At 7km altitude it deploys 2 drogue chutes to stabilize, then 3 main parachutes at 3km to slow to 20 mph before splashing down in the Pacific Ocean. Navy teams on a recovery ship then move in, secure the capsule with a stabilization collar, and extract the crew.

Artemis II splash down well executed! After its lunar mission, Orion fires its engine to drop out of orbit, jettisons the service module, and hits Earth’s atmosphere at 25,000 mph, using a heat shield to survive 5,000°F temps and a “skip” maneuver to control g-loads. At 7km altitude it deploys 2 drogue chutes to stabilize, then 3 main parachutes at 3km to slow to 20 mph before splashing down in the Pacific Ocean. Navy teams on a recovery ship then move in, secure the capsule with a stabilization collar, and extract the crew.

92,226 views

Types of mechanical joints.

Types of mechanical joints.

67,505 views

Imagine holding your newborn baby... and seeing a tooth already staring back at you. These rare 'natal teeth' can appear before a baby even leaves the delivery room

Imagine holding your newborn baby... and seeing a tooth already staring back at you. These rare 'natal teeth' can appear before a baby even leaves the delivery room

40,860 views

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Before blaming your sinuses, check your teeth! 🦷⚠️
0:20
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Before blaming your sinuses, check your teeth! 🦷⚠️

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1,529,566 views • 1 day ago

This is what surgeons actually replace during a knee replacement 👀
0:20
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This is what surgeons actually replace during a knee replacement 👀

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1,696,634 views • 29 days ago

Watch how doctors clear a blocked sinus without traditional surgery 😳
1:01
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Watch how doctors clear a blocked sinus without traditional surgery 😳

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57,060 views • 1 day ago

This common dental problem could be harming your gums 🦷⚠️
2:48
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This common dental problem could be harming your gums 🦷⚠️

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2,765,761 views • 2 months ago

Jaw correction surgery.
1:03
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Jaw correction surgery.

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4,931,290 views • 5 months ago

This tiny mistake can cost you your ears!
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This tiny mistake can cost you your ears!

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6,150,457 views • 11 months ago

Vaginal Birth is no child's play. Sending a ❤️ to all mothers
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Vaginal Birth is no child's play. Sending a ❤️ to all mothers

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4,116,455 views • 8 months ago

There's a micro laboratory in your car that's more expensive than Gold.
1:21
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There's a micro laboratory in your car that's more expensive than Gold.

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998,219 views • 2 months ago

There's a micro laboratory in your car that's more expensive than Gold.
1:21
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There's a micro laboratory in your car that's more expensive than Gold.

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1,315,280 views • 3 months ago

Watch surgeons rebuild a broken ankle with precision 😳🦴
0:37
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Watch surgeons rebuild a broken ankle with precision 😳🦴

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578,442 views • 1 month ago

This is why women release only one egg each month.
0:31
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This is why women release only one egg each month.

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3,040,274 views • 8 months ago

The process of circumcision surgery.
1:10

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The process of circumcision surgery.

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2,460,615 views • 6 months ago

This giant steel machine turns wood into charcoal without burning it 😳
0:22
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This giant steel machine turns wood into charcoal without burning it 😳

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354,955 views • 1 month ago

Evolution of wheels 1935BC to 2081
0:59
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Evolution of wheels 1935BC to 2081

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2,678,922 views • 11 months ago

There's a micro laboratory in your car that's more expensive than Gold.
1:21
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There's a micro laboratory in your car that's more expensive than Gold.

Science Postcard

168,534 views • 25 days ago

How important is the Lower Esophageal Sphincter?
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How important is the Lower Esophageal Sphincter?

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1,381,364 views • 6 months ago

Sometimes the Solution is simple!
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Sometimes the Solution is simple!

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2,948,256 views • 1 year ago

How does a plane stop after landing?
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How does a plane stop after landing?

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2,727,006 views • 1 year ago

This is how we ended up with wisdom teeths.
0:32
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This is how we ended up with wisdom teeths.

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1,461,021 views • 7 months ago

Carrying an assault rifle while strolling through the streets. Welcome to a country where everyone is a soldier.
1:08
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Carrying an assault rifle while strolling through the streets. Welcome to a country where everyone is a soldier.

Science Postcard

1,336,482 views • 6 months ago