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Did you know that a charged particle can actually outrun light? Not light in a vacuum of course. That limit still stands. But inside a dielectric, light travels more slowly. If an electron moves through that material faster than the local phase velocity, something incredible happens... the EM field... show more

Mathelirium

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Electrons faster than light? Yes, sort of. The Cherenkov Effect occurs when a charged particle travels through a medium faster than the speed of light in that medium. Particles can't travel faster than light in a vacuum, but they can exceed it in a specific medium.

Electrons faster than light? Yes, sort of. The Cherenkov Effect occurs when a charged particle travels through a medium faster than the speed of light in that medium. Particles can't travel faster than light in a vacuum, but they can exceed it in a specific medium.

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What's that beautiful blue glow around a nuclear reactor core? Cherenkov radiation, charged particles from fission racing faster than light through water, creating an electromagnetic "sonic boom" of light. Fun fact: It's the same effect that makes spent fuel pools glow blue and was key to discovering neutrinos. Writer: Lucas

What's that beautiful blue glow around a nuclear reactor core? Cherenkov radiation, charged particles from fission racing faster than light through water, creating an electromagnetic "sonic boom" of light. Fun fact: It's the same effect that makes spent fuel pools glow blue and was key to discovering neutrinos. Writer: Lucas

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Faster Than Light Without Moving Faster Than Light In 1994, Miguel Alcubierre discovered a solution to Einstein’s Field Equations where a region of Spacetime can effectively travel faster than light without anything locally breaking Relativity. The object inside the bubble never outruns light in its own local frame. Instead, Spacetime contracts ahead of the bubble, expands behind it, and carries the interior forward. The motion comes from geometry itself.

Faster Than Light Without Moving Faster Than Light In 1994, Miguel Alcubierre discovered a solution to Einstein’s Field Equations where a region of Spacetime can effectively travel faster than light without anything locally breaking Relativity. The object inside the bubble never outruns light in its own local frame. Instead, Spacetime contracts ahead of the bubble, expands behind it, and carries the interior forward. The motion comes from geometry itself.

Mathelirium

17,688 views • 3 months ago

Can particles move faster than light? Nobel Prize employee Olof is here to explain more about how that's possible in Cherenkov radiation – the discovery that received the 1958 physics prize. Learn more about this effect: Reactor Video Credits: Sandia National Laboratories; IAEA Office of Public Information and Communication

Can particles move faster than light? Nobel Prize employee Olof is here to explain more about how that's possible in Cherenkov radiation – the discovery that received the 1958 physics prize. Learn more about this effect: Reactor Video Credits: Sandia National Laboratories; IAEA Office of Public Information and Communication

The Nobel Prize

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What Happens When a Black Hole Does More Than Fall? In General Relativity, a rotating Black Hole is described by the Kerr Metric. Its spin does something strange to spacetime... it drags the geometry around with it. The horizon sits at r₊ = M + √(M² - a²) but outside it there is another surface, the Ergosphere, r_E(θ) = M + √(M² - a²cos²θ) Inside that region, Spacetime is being swept around so strongly that remaining still is no longer possible. Every particle, every light thread, every local observer is forced to rotate with the geometry. For this scene, the C-metric acceleration remains alive in the background and the Black Hole still moves through the fabric, pulled along an axial defect. But the main event is Kerr frame dragging. The fabric twists. The Ergosphere breathes. Light paths shear into spirals. Particles that try to cross the region get carried around before falling inward. #GeneralRelativity #BlackHole #KerrMetric #FrameDragging #Ergosphere #Spacetime #EinsteinEquations #Astrophysics #Physics

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Mathelirium

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Can Spacetime Move Faster Than Light? In 1994, Miguel Alcubierre proposed a strange solution to Einstein’s field equations: A Spacetime geometry where a compact region could be transported without the object inside locally breaking the speed of light. The idea is not that a ship accelerates through space faster than light. The local interior remains comparatively calm. The violent part is the surrounding geometry. Space contracts in front of the bubble, expands behind it, and forms a moving transport shell that carries the interior region forward. A simplified form of the Alcubierre metric is ds² = −dt² + [dx − vₛ f(rₛ)dt]² + dy² + dz² where f(rₛ) shapes the warp bubble and vₛ describes the motion of its centre. The physics is still highly speculative, especially because the original construction requires exotic stress-energy, but the mathematical idea is powerful. #GeneralRelativity #AlcubierreDrive #WarpDrive #Spacetime #EinsteinEquations #Relativity #Physics #Astrophysics #Cosmology

Can Spacetime Move Faster Than Light? In 1994, Miguel Alcubierre proposed a strange solution to Einstein’s field equations: A Spacetime geometry where a compact region could be transported without the object inside locally breaking the speed of light. The idea is not that a ship accelerates through space faster than light. The local interior remains comparatively calm. The violent part is the surrounding geometry. Space contracts in front of the bubble, expands behind it, and forms a moving transport shell that carries the interior region forward. A simplified form of the Alcubierre metric is ds² = −dt² + [dx − vₛ f(rₛ)dt]² + dy² + dz² where f(rₛ) shapes the warp bubble and vₛ describes the motion of its centre. The physics is still highly speculative, especially because the original construction requires exotic stress-energy, but the mathematical idea is powerful. #GeneralRelativity #AlcubierreDrive #WarpDrive #Spacetime #EinsteinEquations #Relativity #Physics #Astrophysics #Cosmology

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When Light Becomes Heavy Enough to Trap Itself Can light collapse into a black hole? In General Relativity, light is not weightless in the geometric sense. It has energy, it carries momentum, and energy curves Spacetime. A Vaidya-type collapse describes a mass that grows because radiation is falling inward. The mathematics is the same brutal idea behind Einstein’s equation Gᵤᵥ = 8πTᵤᵥ If the stress-energy Tᵤᵥ is made from radiation, then light itself becomes a source of curvature. As more radiation falls inward, the mass aspect grows, the Spacetime fabric tightens, and a clean black horizon appears where escaping paths begin to fail. #GeneralRelativity #EinsteinEquations #BlackHole #Spacetime #Astrophysics #TheoreticalPhysics #Light #Mathematics #Science

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Richard Feynman, the Nobel physicist who explained what light actually is: "you can spend any number you like. light still travels at one speed, and no amount of money moves that ceiling. the race was always to get closest to a limit nobody can break." this free 1979 lecture holds the entire "$300 million cable" Wall Street is still paying for, explained by the man who won a Nobel for how light works. the cable did not beat physics. it drilled a straighter line so light in glass had less distance to cross. 3 milliseconds saved. that is the whole $300M trade. Feynman's point: light is a hard wall, not a feature you can buy. everyone racing to zero is paying more and more to get a hair closer to a ceiling that never moves. that is why speed stopped being an edge. once every fund owns the straight cable and the microwave tower, the 3ms belongs to all of them, and the advantage is back to zero. the edge left the wire. it moved to the machine deciding what to do inside those 3 milliseconds. that part is not physics. that part is intelligence, and it is the only race still open. Wall Street spent $300 million to reach the speed of light. the next $300 million is going to whatever thinks at the other end of the cable.

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A sharp 90-degree turn is a brutal request for an Electromagnetic wave. Yet inside a Photonic Crystal, something remarkable can happen. The repeating dielectric structure creates ranges of frequency for which propagation through the bulk crystal is strongly suppressed. Remove a line of that crystal and suddenly the defect becomes an allowed route the EM field.

A sharp 90-degree turn is a brutal request for an Electromagnetic wave. Yet inside a Photonic Crystal, something remarkable can happen. The repeating dielectric structure creates ranges of frequency for which propagation through the bulk crystal is strongly suppressed. Remove a line of that crystal and suddenly the defect becomes an allowed route the EM field.

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This is a simulation of a Hydrogen electron described by a superposition of several highly excited Rydberg states. The superposition forms a localized quantum wavepacket that moves around the atom, spreads, splits, and later reforms as the different energy components return to phase.

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Mathelirium

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Quantum field theory predicts that light can scatter off light, an effect beyond classical electrodynamics. Maxwells equations are linear such that two photons never interact with each other However, in reality, if you cross two light beams photons will scatter if they're energetic enough. Even in vacuum, the photons interact with the ever-present quantum fields of charged particles, like electrons, even when no actual charged particles are present But you need very high energies to see this. Thankfully we built a machine specifically to probe nature at very high energies. At the LHC, this rare process of light-by-light scattering has been observed Hidden among millions of photons lighting up the detector, physicists were able to identify 26 distinct light-by-light scattering events This CMS graphic shows how they found them:

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Physicist Avi Loeb just told me that futuristic technology could enable humanity to travel “faster than the speed of light.” But we would have to move beyond the three dimensions we are familiar with. And he speculated that advanced alien civilizations could already have access to these dimensions. You need to hear his fascinating theory: “Think about living on the surface of a balloon.” “That is two dimensional.” “You might not be aware that there is a third dimension because you are just living on the surface of that balloon.” “If there is another being that is capable of taking advantage of the third dimension, then that being will cross the distance between two points on the surface of the balloon faster than you can imagine.” “Because the travel between the two points can go through the third dimension that connects the two points—not necessarily on the curved surface of the balloon.” “So there are, in principle, possibilities of navigating in more than the dimensions that we are familiar with.” “We are familiar with three spatial dimensions plus time.” “If there are more than three and there is a technological way of taking advantage of those … objects will appear and disappear in ways that we cannot understand.” “Einstein’s theory of relativity states that no material object can move faster than light.” “However, if there are extra dimensions, you might actually travel faster than light in the three dimensions, even though you’re traveling less than the speed of light in the extra dimensions.”

Physicist Avi Loeb just told me that futuristic technology could enable humanity to travel “faster than the speed of light.” But we would have to move beyond the three dimensions we are familiar with. And he speculated that advanced alien civilizations could already have access to these dimensions. You need to hear his fascinating theory: “Think about living on the surface of a balloon.” “That is two dimensional.” “You might not be aware that there is a third dimension because you are just living on the surface of that balloon.” “If there is another being that is capable of taking advantage of the third dimension, then that being will cross the distance between two points on the surface of the balloon faster than you can imagine.” “Because the travel between the two points can go through the third dimension that connects the two points—not necessarily on the curved surface of the balloon.” “So there are, in principle, possibilities of navigating in more than the dimensions that we are familiar with.” “We are familiar with three spatial dimensions plus time.” “If there are more than three and there is a technological way of taking advantage of those … objects will appear and disappear in ways that we cannot understand.” “Einstein’s theory of relativity states that no material object can move faster than light.” “However, if there are extra dimensions, you might actually travel faster than light in the three dimensions, even though you’re traveling less than the speed of light in the extra dimensions.”

Jan Jekielek

31,984 views • 5 months ago

In 1887, Heinrich Hertz noticed that some light made it easier for electrons to escape a metal surface, but the pattern made no sense under Classical Physics. The surprise was that very bright red light could fail, while dim blue or ultraviolet light worked immediately. Einstein explained this in 1905 by proposing that light comes in energy packets, and only packets with enough energy can knock electrons free. That was the Photoelectric Effect, and it helped earn him the 1921 Nobel Prize in Physics.

In 1887, Heinrich Hertz noticed that some light made it easier for electrons to escape a metal surface, but the pattern made no sense under Classical Physics. The surprise was that very bright red light could fail, while dim blue or ultraviolet light worked immediately. Einstein explained this in 1905 by proposing that light comes in energy packets, and only packets with enough energy can knock electrons free. That was the Photoelectric Effect, and it helped earn him the 1921 Nobel Prize in Physics.

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Dr. Eric Haseltine, former NSA Director: “NASA has funded warp drive propulsion research.” 🛸 "This is why the study of UFO's is so important" He told Jesse Michels - “We know that space time can move at faster than the speed of light. Imagine a surfer who’s on a wave, and is stationary with respect to the wave. But the wave is moving.” If you’re in a bubble of space time that’s moving faster than the speed of light, “You’re not gonna experience any acceleration or deceleration because you’re not moving in that frame.” This is the Alcubierre drive - positive energy in front, negative energy behind, creating a spacetime wave. What do you think? Is faster-than-light travel closer than we realize? Would you sign up for a warp drive mission to the stars?

Dr. Eric Haseltine, former NSA Director: “NASA has funded warp drive propulsion research.” 🛸 "This is why the study of UFO's is so important" He told Jesse Michels - “We know that space time can move at faster than the speed of light. Imagine a surfer who’s on a wave, and is stationary with respect to the wave. But the wave is moving.” If you’re in a bubble of space time that’s moving faster than the speed of light, “You’re not gonna experience any acceleration or deceleration because you’re not moving in that frame.” This is the Alcubierre drive - positive energy in front, negative energy behind, creating a spacetime wave. What do you think? Is faster-than-light travel closer than we realize? Would you sign up for a warp drive mission to the stars?

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Message from #AKATU ~ Touching The Light "With Intention, You May Choose Light In This Moment And A Frequency Has Just Changed Your Energy Field. Any Entities Or Attachments Will Dissolve In The Presence Of True Light." "This Means That False Light That Many Project As Real Has No Power To Change Anything. Look Around Your World And See Those Speaking Of A Light They Do Not Know."

Message from #AKATU ~ Touching The Light "With Intention, You May Choose Light In This Moment And A Frequency Has Just Changed Your Energy Field. Any Entities Or Attachments Will Dissolve In The Presence Of True Light." "This Means That False Light That Many Project As Real Has No Power To Change Anything. Look Around Your World And See Those Speaking Of A Light They Do Not Know."

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Engravings from the 19th century depicting the so-called 'phenomena' of BALL LIGHTNING... Some have claimed the video here is 'fake'... Yet many have observed these erratically moving glowing ORBS during severe thunderstorms, and there are many 'theories'... Russian scientist Vladimir Torchigin contends the phenomenon isn't lightning but a BUBBLE OF LIGHT that becomes trapped inside a 'sphere of air.' Particles can be absorbed and emit electromagnetic radiation during a storm. He theorised that this LIGHT in a pressurised sphere was a 'billion times' more potent than light moving in a straight line... Another explanation it's claimed is that these spheres of FIERY LIGHT are formed from the 'electrical charge' a LIGHTNING STRIKE generates. SILICON in the soil combines with CARBON and OXYGEN. The oxygen and carbon form SILICON VAPOUR that cools and creates a cloud of 'fine dust'. Could this be PLASMA DUST? What do you know of it?...

Engravings from the 19th century depicting the so-called 'phenomena' of BALL LIGHTNING... Some have claimed the video here is 'fake'... Yet many have observed these erratically moving glowing ORBS during severe thunderstorms, and there are many 'theories'... Russian scientist Vladimir Torchigin contends the phenomenon isn't lightning but a BUBBLE OF LIGHT that becomes trapped inside a 'sphere of air.' Particles can be absorbed and emit electromagnetic radiation during a storm. He theorised that this LIGHT in a pressurised sphere was a 'billion times' more potent than light moving in a straight line... Another explanation it's claimed is that these spheres of FIERY LIGHT are formed from the 'electrical charge' a LIGHTNING STRIKE generates. SILICON in the soil combines with CARBON and OXYGEN. The oxygen and carbon form SILICON VAPOUR that cools and creates a cloud of 'fine dust'. Could this be PLASMA DUST? What do you know of it?...

WhatdoIknow

22,873 views • 2 years ago

“Science is often like that: we live in a world where we’re told something can be a wave and a particle … A lot of people have got used to believing things that are obviously nonsense, but they’re actually true.” Except it’s not true, in the case of wave and particle!

“Science is often like that: we live in a world where we’re told something can be a wave and a particle … A lot of people have got used to believing things that are obviously nonsense, but they’re actually true.” Except it’s not true, in the case of wave and particle!

Lulie

104,167 views • 9 months ago

Astrophysicist Neil deGrasse Tyson explains, the faster you move through space, the slower you move through time. As you approach the speed of light, time stretches and slows down until it reaches the ultimate cosmic speed limit, where time completely stops. This means that for a photon of light created at the Big Bang 13.8 billion years ago, the exact moment it was born is the exact same instant it strikes your eye; a mind-bending reality proving that for light, the entire history of the universe happens in a single, frozen moment.

Astrophysicist Neil deGrasse Tyson explains, the faster you move through space, the slower you move through time. As you approach the speed of light, time stretches and slows down until it reaches the ultimate cosmic speed limit, where time completely stops. This means that for a photon of light created at the Big Bang 13.8 billion years ago, the exact moment it was born is the exact same instant it strikes your eye; a mind-bending reality proving that for light, the entire history of the universe happens in a single, frozen moment.

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88,054 views • 4 months ago