What is the M-theory?

M-theory is a leading, though still developing, quantum theory in physics, considered the best candidate for a "Theory of Everything" that unifies gravity with the other fundamental forces, proposing that the universe's basic constituents aren't point-like particles but tiny, vibrating "strings" and higher-dimensional membranes (branes) in 11 dimensions. It connects the five different versions of string theory and supergravity, suggesting they are different limits of one overarching framework, with its mysterious "M" potentially meaning "Magic," "Mystery," or "Membrane".

Is the M-theory still valid?

We still have no fundamental formulation of “M-theory” - the hypothetical theory of which 11-dimensional supergravity and the five string theories are all special limiting cases. Work on formulating the fundamental principles underlying M-theory has noticeably waned.

How did the M-theory explain the origin of the universe?

M-theory has been used to construct models of brane cosmology in which the observable universe is thought to exist on a brane in a higher dimensional ambient space. It has also spawned alternative theories of the early universe that do not rely on the theory of cosmic inflation.

How is the F theory different from the M-theory?

Unlike M-theory, where all the dimensions of space-time are treated on equal footing, two of the dimensions of F-theory are fundamentally different than the rest: They always have to be curled up. So now to get to three space dimensions, we have eight small dimensions instead of six!

What are the 17 quantum fields?

Particles are not discrete separate entities, they are quantised excitations in the 17 quantum fields. The fundamental quantum fields are six lepton fields, six quark fields, the photon field, the gluon field, the W and Z boson fields and the Higgs field.

M Theory | Towards a theory of everything?

Who came up with the M-theory?

M-Theory is the name for a unified version of string theory, proposed in 1995 by the physicist Edward Witten. At the time of the proposal, there were 5 variations of string theory, but Witten put forth the idea that each was a manifestation of a single underlying theory.

Is M-theory related to quantum gravity?

Each of these five string theories arises as a special limiting case of M-theory. This theory, like its string theory predecessors, is an example of a quantum theory of gravity. It describes a force just like the familiar gravitational force subject to the rules of quantum mechanics.

Why is 95% of the universe invisible?

About 95% of the universe is invisible because it's made of dark matter (around 27%) and dark energy (around 68%), which don't emit, reflect, or block light, unlike the ~5% of "normal" matter (stars, planets, us) that makes up everything we can see. We know these invisible components exist due to their gravitational effects, such as galaxies rotating too fast and the accelerating expansion of the universe, but their fundamental nature remains a mystery. 

Is Stephen Hawking's theory true?

By analyzing the frequencies of gravitational waves from a merger between two black holes, the team verified Stephen Hawking's 1971 black-hole area theorem, which states the total surface area of black holes cannot decrease.

Are we 100% sure that black holes exist?

We are extremely confident black holes exist, with overwhelming observational evidence like gravitational waves and star orbits around invisible massive objects, but in science, "100% proof" doesn't exist; rather, we have models (General Relativity) that perfectly predict phenomena that we observe, and there's no plausible alternative explanation, though theories about the singularity's interior remain speculative.
 

Why is 2025 a quantum year?

2025 is the International Year of Quantum Science and Technology (IYQST) because the United Nations proclaimed it to celebrate the centennial of modern quantum mechanics (developed around 1925-1927) and to raise global awareness about quantum science's huge impact, from enabling current tech like lasers and transistors to future innovations in computing, medicine, and sustainable energy, fostering collaboration, and bridging the "quantum divide".
 

What does the Bible say about gravity?

The Bible doesn't mention the scientific concept of gravity but uses the word "gravity" (Greek: semnotes) to mean dignity, seriousness, or honor, particularly in character and teaching (1 Timothy 3:4, Titus 2:7). Some biblical passages describe God's power sustaining the universe (Hebrews 1:3, Job 26:7), interpreted by some as God's control over forces like gravity, while Jesus walking on water (Matthew 14:22-33) demonstrates divine power over natural laws. 

Has the M-theory been proven?

There is no experimental evidence for string theory. The evidence, such as it is, is theoretical, and comes from the fact that string theory is a theory of quantum gravity. That is to say, it is a theory which is consistent with both the rules of quantum mechanics as well as general relativity in appropriate limits.

Is Edward Witten the smartest man alive?

Witten is still alive today and pretty much still considered the smartest theoretical physicist alive.

What is the hardest theory in physics?

Quantum gravity is one of the biggest unsolved and hardest physics problems in the world, exactly how gravity and the quantum will be made to coexist within the same theory. Quantum Gravity is required to make the whole of physics logically consistent.

Is space 100% empty?

No, space is not 100% empty; it's a near-perfect vacuum but contains the interstellar medium, radiation, magnetic fields, neutrinos, dark matter, dark energy, and fluctuating quantum fields with virtual particles, meaning it's filled with particles and energy, though at extremely low densities compared to Earth.
 

What does God say about the universe?

According to major religious texts, God is the deliberate creator of the universe, bringing it into existence from nothing (ex nihilo) through divine speech, establishing natural laws, and sustaining its order, with celestial bodies serving purposes like marking time and revealing His glory, while the vastness and expansion of the cosmos reflect His power and intricate design. Different faiths offer unique perspectives, but common themes include creation by command, purposeful order, and the universe as a testament to the Creator.
 

What state is 99.9% of the universe in?

About 99.9% of the visible or ordinary matter in the universe is in the state of plasma, the fourth state of matter, existing in stars, nebulae, and the vast intergalactic medium, making it the most abundant form of matter, though much of the universe's total mass/energy (dark matter/energy) is still a mystery. Plasma is like a superheated gas with ionized atoms, forming electrically charged particles that emit light, seen in phenomena like lightning, the Sun, and auroras. 

What does the Bible say about quantum theory?

1 John 4:17 (Quantum Entanglement): “Herein is our love made perfect, that we may have boldness in the day of judgment: because as he is, so are we in this world.” This verse speaks of a profound interconnectedness between believers and God, mirroring the entanglement of particles in quantum physics.

Who invented the M-theory?

In 1995 Edward Witten started what has been called the Second Superstring Revolution by introducing M-theory to the world. This theory combines the 5 different string theories (along with a previously abandoned attempt to unify General Relativity and Quantum Mechanics called 11D-Supergravity) into one theory.

What did Stephen Hawking say about quantum physics?

Stephen Hawking used quantum physics to argue that the past isn't definite, explained black hole evaporation (Hawking radiation), and sought to unify quantum mechanics with general relativity into a theory of quantum gravity, often discussing the philosophical implications of observation and reality, including supporting Many-Worlds Interpretation for its consistency with quantum laws. He famously stated the universe could arise from "nothing" via quantum fluctuations and grappled with the black hole information paradox, suggesting information might be encoded at the event horizon. 

What is the 9th dimension in physics?

9th Dimension is Time. In physics, time is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional space-time continuum.