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🚨 SCIENTISTS EXPLAIN: Light doesn’t actually “slow down” in glass time does. And that’s exactly why rainbows exist. For centuries we were taught that light slows down when it enters glass or water, causing refraction. But the deeper reality is more beautiful: light still travels at c between atoms....

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TheNewPhysics

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89,146 görüntüleme • 23 gün önce •via X (Twitter)

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When a nuclear reactor is switched on for the first time, an intense, almost hypnotic blue glow appears in the water surrounding the reactor core. This light is neither fire nor heat; it is Cherenkov radiation, a physical phenomenon that occurs when charged particles, such as high-energy electrons produced during nuclear fission, travel through a transparent medium faster than light can propagate within that same medium. While nothing can exceed the speed of light in a vacuum, light travels more slowly in materials like water. When a charged particle surpasses this reduced speed, it emits a coherent shock-like electromagnetic wave, often described as an optical analogue of a sonic boom. This radiation produces the distinctive blue glow. The colour arises because Cherenkov radiation is strongest at shorter wavelengths, which are dominated by blue and ultraviolet light. The phenomenon was first observed experimentally in 1934 and later explained theoretically, work that led to the Nobel Prize in Physics in 1958. Its explanation confirmed how relativity and electromagnetism operate in material media. Today, this deep blue light is both a warning and a scientific tool. It signals the presence of intense ionising radiation, while also being exploited in particle detectors, nuclear reactors, and neutrino observatories. It provides a rare, visible manifestation of subatomic processes that are otherwise hidden from direct human perception. #GottaLovePhysics #Physics
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When a nuclear reactor is switched on for the first time, an intense, almost hypnotic blue glow appears in the water surrounding the reactor core. This light is neither fire nor heat; it is Cherenkov radiation, a physical phenomenon that occurs when charged particles, such as high-energy electrons produced during nuclear fission, travel through a transparent medium faster than light can propagate within that same medium. While nothing can exceed the speed of light in a vacuum, light travels more slowly in materials like water. When a charged particle surpasses this reduced speed, it emits a coherent shock-like electromagnetic wave, often described as an optical analogue of a sonic boom. This radiation produces the distinctive blue glow. The colour arises because Cherenkov radiation is strongest at shorter wavelengths, which are dominated by blue and ultraviolet light. The phenomenon was first observed experimentally in 1934 and later explained theoretically, work that led to the Nobel Prize in Physics in 1958. Its explanation confirmed how relativity and electromagnetism operate in material media. Today, this deep blue light is both a warning and a scientific tool. It signals the presence of intense ionising radiation, while also being exploited in particle detectors, nuclear reactors, and neutrino observatories. It provides a rare, visible manifestation of subatomic processes that are otherwise hidden from direct human perception. #GottaLovePhysics #Physics

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🚨 SCIENTISTS MAY HAVE FOUND A REAL “LOOPHOLE” FOR WARP DRIVES. And for the first time, the math may not completely break physics. For decades, warp drives were considered impossible because they seemed to require massive amounts of “exotic negative energy” that doesn’t exist in usable quantities. But new theoretical models suggest there may be ways to reshape spacetime using far less exotic energy or in some versions, almost none at all. Why this matters: • A warp drive doesn’t actually move the ship faster than light • It compresses spacetime in front of the craft and expands it behind • The ship stays inside a stable bubble while the universe itself moves around it • Einstein’s speed limit remains intact the ship never locally exceeds c The deeper implication is mind-bending: If spacetime can be engineered like this, distance itself becomes programmable. Interstellar travel would stop being an impossible energy problem… and turn into a geometry problem. The universe may not be blocking faster-than-light travel. We may simply be too primitive to shape spacetime correctly yet. What happens when humanity learns to engineer gravity itself? Follow for more frontier physics and reality-bending breakthroughs.
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🚨 SCIENTISTS MAY HAVE FOUND A REAL “LOOPHOLE” FOR WARP DRIVES. And for the first time, the math may not completely break physics. For decades, warp drives were considered impossible because they seemed to require massive amounts of “exotic negative energy” that doesn’t exist in usable quantities. But new theoretical models suggest there may be ways to reshape spacetime using far less exotic energy or in some versions, almost none at all. Why this matters: • A warp drive doesn’t actually move the ship faster than light • It compresses spacetime in front of the craft and expands it behind • The ship stays inside a stable bubble while the universe itself moves around it • Einstein’s speed limit remains intact the ship never locally exceeds c The deeper implication is mind-bending: If spacetime can be engineered like this, distance itself becomes programmable. Interstellar travel would stop being an impossible energy problem… and turn into a geometry problem. The universe may not be blocking faster-than-light travel. We may simply be too primitive to shape spacetime correctly yet. What happens when humanity learns to engineer gravity itself? Follow for more frontier physics and reality-bending breakthroughs.

TheNewPhysics

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We can see 46 billion light years in every direction. The universe is 13.8 billion years old. Light has not had enough time to travel that far. Something out there is moving away from us faster than light itself, and physics says that’s allowed. I still don’t fully understand why.
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We can see 46 billion light years in every direction. The universe is 13.8 billion years old. Light has not had enough time to travel that far. Something out there is moving away from us faster than light itself, and physics says that’s allowed. I still don’t fully understand why.

Kekius Maximus

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Electricity changes the thickness of titanium’s oxide layer, and that layer causes light interference, which is why we see different colours,
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Electricity changes the thickness of titanium’s oxide layer, and that layer causes light interference, which is why we see different colours,

Science girl

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Any time you have water or glass shaders 🥤, and light— you will benefit from realtime caustics. The scene will be more beautiful and dynamic with them. This is Unity URP, ~I've been using the same technique since the legacy pipeline. See 🧵 for references! #unity3d #gamedev
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Any time you have water or glass shaders 🥤, and light— you will benefit from realtime caustics. The scene will be more beautiful and dynamic with them. This is Unity URP, ~I've been using the same technique since the legacy pipeline. See 🧵 for references! #unity3d #gamedev

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"Allah is the Light of the heavens and the earth. The example of His light is like a niche within which is a lamp, the lamp is within glass..." Surat Al-Nur, verse 35 Alhassan W. M. Mattar 🇵🇸, You're the light. The light of my life.❤️❤️❤️
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"Allah is the Light of the heavens and the earth. The example of His light is like a niche within which is a lamp, the lamp is within glass..." Surat Al-Nur, verse 35 Alhassan W. M. Mattar 🇵🇸, You're the light. The light of my life.❤️❤️❤️

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The most beautiful thing in P5 imo is how the theme of light is always accompanied with its main themes and evolves with it. P5's beauty is comparable to the feelings you can have at sunset There's a light at the end of the bridge And there's one girl that's dedicated to it all
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The most beautiful thing in P5 imo is how the theme of light is always accompanied with its main themes and evolves with it. P5's beauty is comparable to the feelings you can have at sunset There's a light at the end of the bridge And there's one girl that's dedicated to it all

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This rock glows Most sodalite will fluoresce orange under UV light Electromagnetic radiation (light from the UV flashlight) is absorbed which then re-emits radiation at a longer wavelength – in this case, the yellow glow
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This rock glows Most sodalite will fluoresce orange under UV light Electromagnetic radiation (light from the UV flashlight) is absorbed which then re-emits radiation at a longer wavelength – in this case, the yellow glow

Science girl

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NATURE’S OPTICAL TRICK: RAINBOW FORMS BENEATH WATERFALL Wonder how a rainbow can appear at the bottom of a waterfall? It happens when sunlight hits millions of tiny droplets in the mist, bending and reflecting the light. At just the right angle (about 42°), the light splits into its full spectrum. The result? A vivid rainbow perfectly framed by nature. Source: Police Frequency
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NATURE’S OPTICAL TRICK: RAINBOW FORMS BENEATH WATERFALL Wonder how a rainbow can appear at the bottom of a waterfall? It happens when sunlight hits millions of tiny droplets in the mist, bending and reflecting the light. At just the right angle (about 42°), the light splits into its full spectrum. The result? A vivid rainbow perfectly framed by nature. Source: Police Frequency

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This is the problem no speed gap, no punishment for locks reaching at the wrong time cause speed boost is slow and you recover at the speed of light #PS5Share, #NBA2K24
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This is the problem no speed gap, no punishment for locks reaching at the wrong time cause speed boost is slow and you recover at the speed of light #PS5Share, #NBA2K24

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I tried to take a shower today, but I went to the bathroom and the water went out. There is no electricity to bring the water and no fuel to turn the generators. There is no light except this rechargeable by the sun led light.
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I tried to take a shower today, but I went to the bathroom and the water went out. There is no electricity to bring the water and no fuel to turn the generators. There is no light except this rechargeable by the sun led light.

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Why do so many ancient traditions describe enlightenment as becoming light? Why does the ore need to turn into gold for the alchemical process to be complete? Is the body of light the fourth state of matter—plasma? A body made of light? Moses, Jesus, Buddha, Krishna, and Zoroaster—their halos all signify a body made of light.
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Why do so many ancient traditions describe enlightenment as becoming light? Why does the ore need to turn into gold for the alchemical process to be complete? Is the body of light the fourth state of matter—plasma? A body made of light? Moses, Jesus, Buddha, Krishna, and Zoroaster—their halos all signify a body made of light.

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THIS is how you see the light and change your mind, on your own time (FOR YOU). Proud of you Jimmy 🙌
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THIS is how you see the light and change your mind, on your own time (FOR YOU). Proud of you Jimmy 🙌

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When a nuclear reactor powers on for the first time, the core fills with a deep blue glow that feels almost unreal as it rises through the water in a quiet surge of energy. The light is Cherenkov radiation, created when charged particles move through the water faster than light can travel in that medium, a discovery made in the 1930s that revealed a new way to see high energy reactions. Every appearance of this glow is a reminder of how powerful atomic reactions can be, showing a rare moment where raw physics becomes something visible and strangely beautiful.
0:13

When a nuclear reactor powers on for the first time, the core fills with a deep blue glow that feels almost unreal as it rises through the water in a quiet surge of energy. The light is Cherenkov radiation, created when charged particles move through the water faster than light can travel in that medium, a discovery made in the 1930s that revealed a new way to see high energy reactions. Every appearance of this glow is a reminder of how powerful atomic reactions can be, showing a rare moment where raw physics becomes something visible and strangely beautiful.

Today In History

383,691 görüntüleme • 1 ay önce

I love nature and being outdoors. I think there are a lot of really nice places to take good photos in the woods. I like the different backgrounds and I think the lighting is always better in natural light outside
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I love nature and being outdoors. I think there are a lot of really nice places to take good photos in the woods. I like the different backgrounds and I think the lighting is always better in natural light outside

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Every time I hear Bury The Light, this is what comes to mind... HD: PSDs:
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Every time I hear Bury The Light, this is what comes to mind... HD: PSDs:

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When the light illuminates Yosemite's waterfalls at the right angle, refraction creates remarkable rainbows [📹 jordan_decoster]
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When the light illuminates Yosemite's waterfalls at the right angle, refraction creates remarkable rainbows [📹 jordan_decoster]

Massimo

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Double-Slit Experiment ✍️ It shows that tiny things like electrons act like ripples in water instead of solid marbles. When a particle is fired at two slits, it doesn't just go through one or the other; it travels as a wave of probability that passes through both at the same time. These two waves then overlap and interfere with each other, creating a pattern of light and dark stripes on a back wall. This shows that at the quantum level, reality isn't "set" until we actually measure it. It behaves as a spread-out wave of possibilities until the moment it hits a target. Video 📸 : umtiquinhodefisica
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Double-Slit Experiment ✍️ It shows that tiny things like electrons act like ripples in water instead of solid marbles. When a particle is fired at two slits, it doesn't just go through one or the other; it travels as a wave of probability that passes through both at the same time. These two waves then overlap and interfere with each other, creating a pattern of light and dark stripes on a back wall. This shows that at the quantum level, reality isn't "set" until we actually measure it. It behaves as a spread-out wave of possibilities until the moment it hits a target. Video 📸 : umtiquinhodefisica

ScieVision

60,528 görüntüleme • 2 ay önce

Well, well, well. And after all the lies and smears you guys did against me, for this to happen a few weeks later. This is why truth matters, even when the mob dogpiles. The devil is liar. God always brings the truth to light.
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Well, well, well. And after all the lies and smears you guys did against me, for this to happen a few weeks later. This is why truth matters, even when the mob dogpiles. The devil is liar. God always brings the truth to light.

B L A K E L E Y™℠©® LLC

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The glass design in iOS 26 is not just transparency — it also simulates light refraction.
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The glass design in iOS 26 is not just transparency — it also simulates light refraction.

David Grudl

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