The Big Bang is the prevailing cosmological model that describes the observable universe’s origin and early expansion. It proposes that approximately 13.8 billion years ago, the entire cosmos existed as…

# Tag: string theory

## What is superstring theory?

Superstring theory is a theoretical framework in physics that extends the ideas of string theory by incorporating supersymmetry, a theoretical symmetry between particles with different spin quantum numbers. It represents…

## What is string theory?

String theory is a theoretical framework in physics that attempts to describe the fundamental building blocks of the universe as tiny, vibrating strings rather than point-like particles. It represents one…

## The enigmatic dimensions of string theory

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force carriers…

## Physics

Physics, often referred to as the fundamental science, is a branch of natural science that seeks to understand the fundamental principles governing the behavior of matter and energy in the…

## Einstein’s spacetime may not be quantum, new theory suggests

UCL physicists have unveiled a groundbreaking theory that harmonizes gravity and quantum mechanics while upholding Einstein’s classical spacetime concept. The clash between quantum theory, governing tiny particles, and Einstein’s general…

## How does quantum field theory contribute to our understanding of particles?

Quantum Field Theory (QFT) stands as one of the cornerstones of modern theoretical physics, providing a powerful framework for understanding the fundamental particles and forces that make up the universe.…

## Can quantum mechanics and general relativity be unified into a single theory?

The quest for the unification of quantum mechanics and general relativity stands as one of the most significant challenges in theoretical physics. These two pillars of modern physics, while incredibly…

## What is spacetime?

Spacetime is a captivating and fundamental concept in physics, combining the three dimensions of space with the fourth dimension of time into a unified framework. Introduced by Albert Einstein in…

## What is quantum gravity?

Quantum gravity is a theoretical framework that aims to reconcile the principles of quantum mechanics and general relativity, two foundational theories in physics that describe the behavior of matter and…

## The observable universe: Is it mostly all there is?

Douglas Adams famously quipped about the vastness of the universe, and indeed, our cosmos is incredibly expansive. The farthest light we can detect is the cosmic microwave background (CMB), which…

## New class of objects discovered that may challenge our understanding of spacetime

A group of theoretical physicists has stumbled upon a peculiar phenomenon within the fabric of space-time. This enigmatic structure bears an uncanny resemblance to a black hole when observed from…