Author | Lightnews

SoloBSD @solobsd.org · 1d

Philip Ball dives into the challenges in developing quantum computing, and building up investments and users for the tech
The post Quantum computing on the verge: correcting errors, developing algorithms and building up the user base appeared first on Physics World.

Quantum computing on the verge: correcting errors, developing algorithms and building up the user base

Philip Ball dives into the challenges in developing quantum computing, and building up investments and users for the tech The post Quantum computing on the verge: correcting errors, developing algorithms and building up the user base appeared first on Physics World.

physicsworld.com

SoloBSD @solobsd.org · 5d

⚡ Tachyons: hypothetical particles that move faster than light.
They’d have imaginary mass, reverse cause and effect, and break relativity itself.
In string theory, tachyons aren’t real — they’re warnings that the vacuum is unstable.
A glitch in the math, not the Matrix. #Physics

2

SoloBSD @solobsd.org · 10d

10/ 🕳️✨ The black hole information paradox is more than a mystery — it’s a cosmic invitation to rethink reality itself. #Physics #Cosmology

SoloBSD @solobsd.org · 10d

9/ ⚫ Whether info leaks, bounces, burns, or tunnels out, the answer will reshape our understanding of space, time, and what it means for something to exist.

1

SoloBSD @solobsd.org · 10d

8/ 🧠 The paradox isn’t just about black holes — it’s about the foundations of reality.
To solve it, we’ll likely need a full theory of quantum gravity, uniting Einstein’s spacetime with quantum mechanics once and for all.

1

SoloBSD @solobsd.org · 10d

7/ 🌀 Solution #5: Wormholes and entanglement (ER=EPR).
Maldacena & Susskind proposed that entangled particles might be connected by tiny wormholes.
If true, information could travel out of a black hole through quantum entanglement itself.

1

SoloBSD @solobsd.org · 10d

6/ 🔥 Solution #4: The firewall hypothesis.
Some physicists argue the event horizon isn’t smooth — instead, a searing “firewall” burns away infalling info, preserving quantum rules but violating general relativity’s predictions of a calm crossing.

1

SoloBSD @solobsd.org · 10d

5/ 🌌 Solution #3: The holographic principle.
Pioneered by ’t Hooft and Susskind — everything inside a region (even a black hole) could be encoded on its surface.
Holography, and especially the AdS/CFT correspondence, suggests no info is ever lost — it’s just rewritten on the boundary of spacetime.

1

SoloBSD @solobsd.org · 10d

4/ 💾 Solution #2: Black hole remnants.
Maybe evaporation halts at the Planck scale, leaving tiny stable remnants packed with the original information.
But this raises its own issues — an infinite number of possible remnants would break known physics.

1

SoloBSD @solobsd.org · 10d

3/ 🔍 Solution #1: Information escapes in the radiation.
Quantum effects might subtly encode data in the Hawking radiation’s correlations — invisible to classical physics but preserving unitarity.
This is the view favored by many modern theorists.

1

SoloBSD @solobsd.org · 10d

2/ 🌡️ Hawking showed that black holes radiate energy — Hawking radiation.
But that radiation is purely thermal — it carries no clues about what fell in.
If the hole disappears completely, quantum info seems lost — breaking the laws of quantum mechanics.

1

SoloBSD @solobsd.org · 10d

1/ 🕳️ When matter falls into a black hole, Einstein says it’s gone forever.
But quantum physics insists information can never be destroyed.
So when black holes evaporate via Hawking radiation… where does the info go?
That’s the paradox. ⚖️

1

SoloBSD @solobsd.org · 10d

🕳️ The black hole information paradox:
If black holes evaporate via Hawking radiation, where does the information go?
Einstein says it’s lost. Quantum mechanics says it can’t be.
Somewhere between them lies the key to quantum gravity. ⚖️ #Physics #Cosmology

1 1

SoloBSD @solobsd.org · 11d

💡 Albrecht & Magueijo’s Variable Speed of Light cosmology flips Einstein’s script — what if light was faster in the early universe? It could explain cosmic uniformity without inflation. A radical rethink of what “constant” really means. ⚡ #Cosmology #Physics

SoloBSD @solobsd.org · 11d

🔥 The ekpyrotic universe: Steinhart & Turok’s bold idea that the Big Bang wasn’t the beginning — just the latest “bounce.” Our universe may be one of infinite cycles, born from cosmic branes colliding in higher dimensions. #Cosmology #Physics

SoloBSD @solobsd.org · 24d

Ultraviolet catastrophe? 😱 Classical physics predicted infinite energy from hot objects—oops! Planck’s quanta saved the day, birthing quantum mechanics! 🌟 #Physics #Quantum #MindBlown

SoloBSD @solobsd.org · 24d

Kaluza-Klein theory: gravity + electromagnetism in 5D! 🌌 A tiny curled-up dimension unifies forces like a cosmic trick! 🪄 Inspires string theory! #KaluzaKlein #Physics #MindBlown

1

SoloBSD @solobsd.org · 27d

Nordström’s gravity theory: a wild scalar ride! 🌌 Tried to beat Einstein with a single field, nailed redshift, but flopped on light bending. A cosmic “almost”! #NordstromGravity #Physics #Relativity

SoloBSD @solobsd.org · 27d

Universal rulebook alert! 📖 Einstein’s Principle of Covariance says physics works the same everywhere—Earth, rockets, or black holes! 🌌 Spacetime bends, but the laws hold tight! #Covariance #Relativity #Physics

SoloBSD @solobsd.org · 27d

Gravity = acceleration? 🤯 Einstein’s equivalence principle says you can’t tell them apart! It’s why objects fall the same & spacetime bends. From black holes to GPS, it’s cosmic magic! 🌌 #EquivalencePrinciple #Einstein #Physics

SoloBSD @solobsd.org · 29d

Spacetime alert! 🕰️🌌 Hermann Minkowski’s 4D brainchild fused space & time, powering Einstein’s relativity revolution! Time dilation, anyone? 🤯 #Spacetime #Physics #MindBlown

SoloBSD @solobsd.org · 29d

Stringo and the Secrets of the Universe 4 #Physics #Relativity #Spacetime

SoloBSD @solobsd.org · Sep 26

Stringo and the Secrets of the Universe 3

SoloBSD @solobsd.org · Sep 20

No way
#Shohei

SoloBSD @solobsd.org · Sep 18

In string theory, even a single point can be everything! 🤯
A 0-dimensional brane is a point-like object, a "pinpoint" in spacetime where strings can end.
They're like fundamental particles that help us model everything from M-theory to the quantum secrets of black holes.
#StringTheory #Physics