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Albert Einstein

! scientist · # tag · @ author
1879–1955 · Theoretical physics, Quantum mechanics, Cosmology
Theoretical physicist who forever changed our understanding of space, time and gravity. Creator of special and general relativity, explained the photoelectric effect, introduced the concept of the photon. His equation E=mc² became a symbol of a new era in physics. His contributions to quantum theory and statistical mechanics are also fundamental.

Biography

Born in Ulm, Germany. Studied at the Swiss Polytechnic School in Zurich. Worked at the patent office in Bern, then professor in Zurich, Prague, Berlin. In the summer of 1933 he emigrated to the USA, worked at the Institute for Advanced Study in Princeton. Winner of the Nobel Prize in Physics in 1921 for his explanation of the photoelectric effect.

Key discoveries

💡 As a child, Einstein started speaking so late that his parents feared he might be developmentally delayed. And later, he never learned to drive a car.
Quote: "“Imagination is more important than knowledge, for knowledge is limited.”"
Links in the knowledge graph 1
Related tags
Time dilationquantum entanglementwave-particle duality
Related laws
gravitational lensingprinciple of constancy of the speed of lightmass–energy equivalenceequivalence principlegeodesic equationfluctuation-dissipation theorem
Related scientists
Robert HookeAlain AspectErwin SchrödingerDavid DeutschLouis de BroglieJohn Stewart BellJohn Archibald WheelerArthur Compton

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Quantum Sensors Will Hear the Hum of Dark Matter

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Gravity vs. Superposition: Why the World Isn't Blurred

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Muonium: How Antimatter Falls in Gravity

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Quantum Camera Reveals Invisible Particle Bonds

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A Cosmic Wanderer Steps on the Scales for the First Time

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The Minimum Length and the Surprises of Quantum Physics

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A Black Hole Like a Bell: How a Light Pulse Gives Rise to Echoes

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Quantum Clocks Sense Gravitational Time Dilation

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Perfect Entanglement Defies Infinite Acceleration

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X-ray Thunder After Gamma-ray Lightning

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How to Cool Light to Quantum Order

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Gravity and Charge: Physics' Blind Spot

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Diffusion and Light Speed No Longer Quarrel

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How a Classical Pendulum Creates Quantum Entanglement

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Maxwell's Demon Prefers Indistinguishable Photons

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Black Hole Did Not Destroy Quantum Entanglement

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How Atoms Themselves Create a Mosaic That Never Repeats

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A black hole can turn into a wormhole

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Time in Reverse: Dark Energy Saves the Universe from Exploding

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Gravitational Waves Create Invisible Patterns in Space

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New Sensors Open Low Frequencies for Gravitational Waves

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Cosmic Rhythm: From Snowdrifts to Quantum Gas

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Quantum Telepathy: Agreement Without Communication or Delay

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All Atoms Fall Alike: A Cosmic Verdict

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Tuning Into the Hum of Spinning Stars

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Birth of Light from the Quantum Void

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Atomic Nuclei Measure Gravity

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The Quantum Fabric of Spacetime

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arXiv:2604.19418 · 2026-04-21

How Neutrinos Test the Constancy of the Laws of Physics

New neutrino detectors promise to be tens of times more sensitive than existing instruments. They will catch the slightest glitch in the constancy of the speed of light—a violation that would rewrite our understanding of space and time.
arXiv:2604.19880 · 2026-04-21

Quantum Gravity Trick: How Atom Clouds Harmonize Through Spacetime

Two ultra-cold atom clouds, known as Bose-Einstein condensates, become mysteriously linked when placed a hair's width apart. Their internal sound waves synchronize in a way only possible if gravity follows quantum rules, offering a powerful new path to glimpse the grainy fabric of spacetime.
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Gravitational Waves Reveal the Cosmic Missing Link

Merging black holes and neutron stars send out gravitational waves. A neural network trained on these signals can instantly tell if a gap object—the missing link between neutron stars and black holes—is involved. Quick classification directs telescopes to the fleeting light of kilonovae, where heavy
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Gravitational Duet: How Entangled Masses Listen to the Whisper of Other Dimensions

Extra dimensions have long evaded detection due to electromagnetic noise. The protocol of quantum-induced entanglement of masses turns two microscopic bodies in superposition into gravitational tuning forks, accumulating a phase shift exquisitely sensitive to deviations from Newton's law. Analysis o
arXiv:2605.00749v1 · 2026-05-01

Self-propelled Pair of Black Holes

When two black holes orbit each other, they act like a boat with oars: they fling away passing stars and push themselves. This not only brings them closer but also causes the pair to shift, spin, and tilt. This explains why supermassive black holes are sometimes found far from the centers of galaxie
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Cosmic Gong: How a Black Hole Rings a Wormhole

Scientists have calculated the gravitational radiation from a stellar-mass black hole radially falling into a thin-shell wormhole. The signal resembles rhythmic beats: a burst as the black hole approaches the throat from our side, and a deep silence as it plunges into another universe. Calculations
arXiv:2605.01216v1 · 2026-05-02

Gravitational memory as a defect in the fabric of spacetime

The gravitational memory effect is mathematically identical to defects in crystals. Ordinary memory is like an extra layer of atoms, while spin memory is like a spiral. This model, consistent with Einstein's theory, makes the search for the elusive deformation more tangible, and pulsars could become
arXiv:2605.02975v1 · 2026-05-03

The Black Hole's Spin Signature: Polarization Ripples on Its Shadow

New research reveals a subtle mechanism: polarization doesn't just illuminate a black hole's shadow — it deforms it. The effect, predicted for rotating holes, is vanishingly small but fundamental: polarimetry transforms from a passive spectator into an active probe of extreme gravity. In a static sc
arXiv:2605.02136v2 · 2026-05-04

How Particle Clouds Bend Light Rays

Light curves around massive bodies — that's gravity's rule. The new method also factors in hadron clouds: specks of matter that slow light down and deepen the bend. A simple formula tied to cloud density will give astronomers sharper shots of black holes.
arXiv:2605.02807v2 · 2026-05-04

Squeezed Gravitational Waves: How Quantum Optics Reveals the Voice of Black Holes

Black hole collisions transform the quantum whisper of spacetime into a roar that LIGO detectors can catch. Analysis shows that multi-particle graviton emission organizes into a generalized squeezed coherent state, exponentially amplifying fluctuations. Thanks to the double copy between QCD and grav
arXiv:2605.03038v1 · 2026-05-04

Cosmic Tuning Fork: Earth and Moon Resonate with Gravitational Waves

A novel laser ranging technique aims to fill the microhertz gap in gravitational-wave astronomy. By exploiting resonant enhancement at the second harmonic of the Moon’s orbit and phase measurements precise to 80 micrometers, a five-year campaign could reach a sensitivity of Ω_gw ≈ 5×10⁻⁹ — enough to
arXiv:2605.04110v1 · 2026-05-04

Warp Drive Unstable, But Cosmology Offers Hope

Researchers re-examined the Alcubierre warp drive model and found the bubble to be uncontrollable and unstable. By applying a more general mathematical approach and accounting for cosmic expansion, they saw that warp fields behave like cosmological flows. This paves the way for a stable superluminal
arXiv:2605.03653v1 · 2026-05-05

How to Peer into the Heart of a Black Hole

Astronomers are turning scattered radio dishes across Earth into a single instrument, which, after an upgrade, will film black holes like a big-budget blockbuster—with unprecedented detail. This will let us witness the birth of giant jets of matter and check whether the law of universal gravitation
arXiv:2605.04133v1 · 2026-05-05

Gravitational Shooting Gallery: Sighting in on Black Holes

For the first time, nonlinear simulations of black hole flybys in modified gravity have been performed — test shots on the cosmic range. Comparing the scattering angles with analytics hit nearly the bullseye: the difference stayed within one degree. This paves the way for rapid gravitational wave te
arXiv:2605.04224v1 · 2026-05-05

Cosmic Hourglass: The Flickering Shadow of a Wormhole

Numerical simulations revealed how plasma gets stuck in the throat of a rotating wormhole, painting a thin luminous rim on its shadow and making it flicker with a period set by mass and spin. These signatures, observable by the Event Horizon Telescope at 230 GHz, turn active galactic nuclei into nat
arXiv:2605.04631v1 · 2026-05-06

Gravitational Shadows: How Mass Splits Reality

Matter interferometry creates a Schrödinger's cat for macroscopic masses, opening the path to quantum gravity. A mass in superposition generates two clouds of coherent gravitons — gravitational shadows. Their contrast drops exponentially with increasing mass, signaling the growing entanglement betwe
arXiv:2605.05153v1 · 2026-05-06

Cosmic Magnifying Glasses Catch Gravitational Waves

When ripples in space from colliding black holes pass by a galaxy, it bends their path and makes the signal brighter — like a cosmic magnifying glass. This helps us hear the most distant cataclysms and weigh invisible dark matter.
arXiv:2605.06321v2 · 2026-05-07

Gravitational Memory: A Key to Testing Gravity

Black hole collisions leave a permanent mark on spacetime—gravitational memory. Calculated for the first time within an alternative theory of gravity, it reveals striking differences at the moment of merger. This offers a novel way to test whether our theory of gravity is correct.
arXiv:2605.07879v1 · 2026-05-08

The Funeral March of Negative Mass: Why LIGO Doesn't Hear Anti-Chirps

A new study proposes a simple observational test: any binary system with a negative-mass component must either produce an anomalous signal with a falling frequency or instantly fly apart. Not a single such 'note' has been found in the LIGO, Virgo, and KAGRA archives. The silence shuts down an entire
arXiv:2605.10976v1 · 2026-05-08

Symphony of Collapse: The Algebraic Key to Black Holes

At the heart of a dying star lies an algebraic cipher that translates the language of matter into the language of black hole geometry. Physicists have found a precise two-way map: given a density profile, you can recover the exterior metric—and vice versa—without solving complex differential equatio
arXiv:2605.08807v1 · 2026-05-09

Cosmic Instrument: Resonant Songs of Rotating Wormholes

By numerically investigating the scattering of scalar waves on a rotating traversable wormhole, scientists discovered Breit-Wigner resonances. They sharply intensify under fast rotation and for counter-rotating modes, creating a spectral fingerprint radically different from that of black holes—a sig
arXiv:2605.09426v1 · 2026-05-10

Cosmic Hydrogen Catches Gravitational Waves

Hydrogen in space acts as a network of natural antennas that pick up gravitational waves. By comparing the observed brightness of the glow with the theoretical value, scientists determine how much energy went into gravity. This makes it possible to create a gravitational map of the Universe.
arXiv:2605.11278v3 · 2026-05-11

AI Learns to Listen to Black Holes: A Simple Recipe for Gravitational Waves

Collisions between black holes shake spacetime itself, sending out gravitational waves. Decoding these signals used to require hours of computer simulations—until scientists built an AI agent. Like a chef reconstructing a recipe from taste, it finds a simple formula that nearly matches exact calcula
arXiv:2605.11280 · 2026-05-11

Cosmic Spinning Top: Gravity vs. Quantum Superpositions

Mass currents have now been introduced into the Diósi–Penrose wave function collapse model for the first time, adding post-Newtonian corrections from general relativity. It turns out that moving mass generates gravitomagnetic noise, causing angular momentum decoherence. The most dramatic effects app
arXiv:2605.12172v1 · 2026-05-12

The Silent String of Gravity: Hunting for κ

The weak equivalence principle has been tested with fantastic precision, but always with grounded samples — as if one string of the gravitational violin is deliberately muted. The κ parameter quantifies whether acceleration depends on electric charge: it is the ratio of the difference in acceleratio
arXiv:2605.12246v2 · 2026-05-12

The Angular Momentum Symphony: When Weak Gravity Is Strong

The diagnostic parameter \(\tilde{\alpha}\) reveals that in galaxies and clusters, the post-Newtonian approximation loses reliability due to accumulated nonlocal gravitational correlations. Its value skyrockets precisely where dark matter is traditionally invoked—and this finding could overturn our
arXiv:2605.13557v1 · 2026-05-13

Graviton Laser: Translating Gravity into the Language of Light

The main obstacle for a graviton laser is that gravitational waves cannot be reflected: they pass through any substance. The solution lies in the Gertsenshtein effect. Under a powerful magnetic field, gravity particles temporarily become photons, which are easily reflected by ordinary mirrors. The r
arXiv:2605.14050v1 · 2026-05-13

Long-Throat Wormholes: How Doppler Notes Give Them Away

New research shows: wormholes with a precisely tuned throat length can cast a shadow indistinguishable from that of a Schwarzschild black hole. But numerical simulations expose a critical flaw in the disguise—the wormhole's accretion disk emits far more energetic radiation thanks to Doppler boosting
arXiv:2605.16413v2 · 2026-05-13

River as a Mirror of the Universe

Researchers found that a lab-made river’s cross-section perfectly mirrors the form predicted by a cosmological equation for a negatively curved universe. Normally, this equation tracks how the Universe’s size evolves over time. Surprisingly, water sculpts its channel to maximize bottom friction, and
arXiv:2605.14670v1 · 2026-05-14

The Magic of Translation: From Black Holes to Electricity

The main formula for a black hole's thermal properties exactly matches the rule for how a charge creates an electric field. Translating from the language of gravity to the language of electricity brings us closer to a unified picture of the world.
arXiv:2605.14707v2 · 2026-05-14

How Brane Tension Changes Black Holes

Brane theory predicts that a hidden dimension weakens gravity. For light black holes in a dense particle cloud, this prevents horizon formation. Their shadow grows while the light ring shrinks — astronomers are hunting for these signs.
arXiv:2605.26124 · 2026-05-14

Black Hole Without a Dangerous Center

In the new model, the black hole lacks a deadly point: its center is a smooth, empty region. A key internal barrier makes the space dip gentle, avoiding infinities. This is a step toward a unified theory of gravity and quantum.
arXiv:2605.15576 · 2026-05-15

Ghost Black Holes: The Hunt That Comes Up Empty

An analysis of black hole mergers over the past year of observations reveals: almost all signals come from ordinary black holes of stellar origin. Primordial black holes, if they exist at all, make up only a tiny fraction of dark matter.
arXiv:2605.15749 · 2026-05-15

Dark Dialogue: Gravitational Lenses Reveal an Exchange of Matter and Energy

Scientists studied how dark matter and dark energy influence each other. Using gravitational lenses—massive galaxy clusters that bend light—they found that dark energy slowly transforms into dark matter. This explains why the universe's expansion began accelerating earlier than expected.
arXiv:2605.16155 · 2026-05-15

A Cosmic Net for Quantum Gravity

Einstein’s gravity is reliable for stars but fails at the atomic scale. Physicists added an invisible scaffold field that dampens disruptive quantum fluctuations. The result is a theory that respects quantum laws while keeping things unchanged for large objects.
arXiv:2605.17817 · 2026-05-18

Celestial Waves: Found in Just 16 Seconds

Collisions of neutron stars or black holes create ripples in spacetime—gravitational waves. Scientists need to know about such an event instantly to see its light. This is the story of GstLAL, a program that finds the signal in just 16 seconds and almost never shuts down. Thanks to it, out of 250 al
arXiv:2605.19153 · 2026-05-18

A Scout Probe Will Uncover the Mystery of the Nearest Black Hole

A journey to the nearest black hole will take a century, but for the first time it will test gravity's laws at their limits. The probe will set out on an automated voyage to understand: is it a bottomless pit in space or a super-dense star with a solid crust? The answer will rewrite textbooks.
arXiv:2605.19176 · 2026-05-18

Gravitons: A Double Twist in a Curved World

Gravitons — the quanta of gravity — split into two streams in curved spacetime depending on their spin. The effect, discovered by Michael Berry, causes particles with right- and left-handed spin to move in opposite directions, and for gravitons it is twice as strong as for light due to their double
arXiv:2605.19817 · 2026-05-19

Light Carousel Measures Earth's Rotation

Deep inside the Gran Sasso underground lab, a prototype called TRIO has come to life—a device built like a light carousel. Two beams race around a ring in opposite directions, and the slightest rotation alters their meeting point. A special design suppresses internal tremors and lets the ring be sca
arXiv:2606.02594 · 2026-05-22

Gravity creates a quantum dance of two mirrors

Physicists have figured out how the mutual attraction of two massive objects gives rise to quantum synchronization of their oscillations. Laser pulses write and read the state, and specially purified light amplifies the effect. However, thermal tremors set a hard limit: if they dominate, synchroniza
arXiv:2605.26240 · 2026-05-25

Time Can Still Be Tricked

Physicists examined two classic time machine designs within extended gravity featuring an extra field. The time loops didn’t collapse, and the chronology protection hypothesis failed. Even souped-up gravity doesn’t forbid time travel, which matters for testing modified theories.
arXiv:2605.26696 · 2026-05-26

Record Haul: 161 Black Hole Mergers in Gravitational Waves

The updated GWTC-5.0 catalog includes 161 recent gravitational-wave bursts from black hole collisions. Thanks to improved detector sensitivity, some signals are now record-breakingly clear, allowing for more precise measurements of black hole masses and stricter tests of relativity. The total number
arXiv:2605.27225 · 2026-05-26

Light Delay Near Black Holes Will Uncover the Mystery of Dark Matter

Astrophysicists have shown: dark matter around a black hole barely distorts images of distant galaxies, but it alters the delay between the distorted images. For giant holes like M87*, the difference in light arrival time can be measured—a path to solving the dark matter puzzle.
arXiv:2605.27242 · 2026-05-26

Gravitational Waves Leave an Eternal Imprint

Traveling through the cosmos, gravitational waves don’t just shake it—they leave an irreversible shift, a microscopic deformation in the fabric of reality. This memory effect, predicted by Einstein, has so far eluded measurement. Astrophysicists used a special method of stacking data from many obser
arXiv:2605.27500 · 2026-05-26

The Whisper Faded: A Quantum Trick Bypasses a Fundamental Limit

In the famous thought experiment between Einstein and Bohr, the atomic slit always trembles due to quantum noise. This noise, like an unceasing whisper, smears the wave pattern. Now, physicists have learned to squeeze this whisper: to hush the part that gives away the particle's path. Fringe contras
arXiv:2605.28038 · 2026-05-27

Shadow of a Shaggy Beast: How Scalar Hair Shatters a Black Hole’s Image

The stronger the scalar field around a black hole, the more distorted its shadow. New simulations reveal that at extreme values, the shadow fractures into crescent-shaped shards.
arXiv:2605.28376 · 2026-05-27

Invisible Waves Make a Plate Ring

Scientists described the vibrations of an elastic plate when a gravitational wave passes through it. If the plate’s material does not expand sideways when compressed (like cork), the calculations simplify. Exact formulas for displacements and absorbed energy were obtained. The main discovery: the vi
arXiv:2605.28932 · 2026-05-27

Dark Matter: Quantum Vortices Around Black Holes

A new study models dark matter as a superfluid near a black hole. Physicists found two types of stable structures: a dense core and a rotating vortex. It turns out the vortex is stable if dark matter particles attract each other weakly; strong attraction makes it collapse. This discovery suggests th
arXiv:2605.29069 · 2026-05-27

Gravitational Waves: Listening to Space without Templates

Pulsars are cosmic lighthouses beaming radio pulses with the precision of atomic clocks. A passing gravitational wave disrupts this rhythm. Instead of searching for familiar patterns, the new technique listens to all the noise and picks out any signal, decomposing it into frequencies and applying a
arXiv:2606.00577 · 2026-05-30

Rotating Wormhole Without Exotic Matter

Scientists considered a theory of gravity where matter curves space more strongly. In this model, rotation prevents the wormhole from collapsing, eliminating the need for exotic matter. Since almost all cosmic bodies rotate, such tunnels could form naturally. They would be betrayed by a double shado
arXiv:2606.01141 · 2026-05-31

Quantum Squeezing of Molecules Improves Sensor Accuracy Threefold

For the first time, a quantum-squeezed state has been created in molecules, suppressing noise and improving measurement accuracy threefold. This trick, akin to squeezing a balloon, shifts noise into a harmless form, making molecules ideal sensors for hunting dark matter and testing fundamental theor
arXiv:2606.02500 · 2026-06-01

Game or simulation: what’s the best way to learn the photoelectric effect?

The game 'Photon Jump' is like a cooking experiment, while the simulation is a tried-and-true recipe. Together they make the quantum effect understandable even to those far from gaming.
arXiv:2606.03622 · 2026-06-02

When a Quantum Particle Blurs Causality

If a particle has no precise position, as if smeared across space, then light cones—the boundaries of causality—also lose their sharpness. Because of this, events can both have and not have a causal connection, erasing the line between past and future.
arXiv:2606.03671 · 2026-06-02

Gravity Entangles Light and a Rotating Object

The exchange of gravitons between a photon and a rotating mirror gives rise to quantum entanglement. The strength of the link depends on the direction of rotation. This brings us closer to experimentally testing quantum gravity.
arXiv:2606.09991 · 2026-06-08

Dark Energy: From Brake to Engine

The Ph-ΛsCDM model describes the behavior of a special field that smoothly transitions from an attractive to a repulsive force. This resolves contradictions between different measurements of the expansion rate and predicts a stable future without the 'Big Rip'.
arXiv:2606.11062 · 2026-06-09

Gravitational memory makes wormholes more stable

Physicists added gravitational memory to models of wormholes supported by the Casimir effect. Memory, like a wave's footprint, changes the energy distribution: the wormhole becomes sturdier and outwardly resembles a black hole. Its shadow matches measurements of M87*, pointing the way to discovering
arXiv:2606.15552 · 2026-06-14

The Quantum Secret to Fast AI Training

When training neural networks on thousands of machines, data exchange slows down the process and creates a risk of leaks. Replacing ordinary signals with quantum communication allows transmitting twice as much information at once with full privacy: entangled particles prevent spying. The method work
arXiv:2606.20344 · 2026-06-18

Warp Drive: Turning Without Exotic Matter

Physicists have found a way to steer a warp drive without resorting to fantastical negative-energy matter. The ship ejects light or gravitational waves, like a rocket, and changes course. The price of the maneuver is a loss of some mass, but it all comes down to the energy budget, not unseen substan
arXiv:2606.22531 · 2026-06-21

Testing Gravity's Quantum Nature with Spin

Scientists have calculated how a massive rotating sphere can make a passing particle be in two places at once—a hallmark of quantum gravity. The effect, predicted by Einstein, is like a spoon dragging through honey. A tabletop experiment using this frame-dragging will show for the first time that gr
arXiv:2606.31678 · 2026-06-30

The Quantum Wave That Gives Birth to the Universe

A physicist found that interpreting a motionless quantum wave as a probability distribution for a particle’s internal clock naturally yields the math of an expanding universe. Gravity becomes unnecessary—spacetime bends purely from statistical chances. This offers a route to merging quantum physics
arXiv:2607.05020 · 2026-07-06

Music of the Spheres: How LISA Will Hear Dark Matter's Duet

Researchers assessed the capability of the space-based gravitational-wave observatory LISA (launch in 2035) to detect ultralight dark matter interacting with Standard Model fields via quadratic coupling—a common mechanism in axion and dilaton models. Through this interaction, the signal emerges on t
arXiv:2607.08248 · 2026-07-09