physics Archives - Mati News

Oct242026 by abcNo Comments

String Theory: The Universe Is Made of What? Tiny Strings? Seriously?

Education, উচ্চমাধ্যমিক পদার্থবিজ্ঞান, সাধারণ জ্ঞান

(If written) by Joey Tribbiani Okay, so, string theory. Right. I know what you're thinking. Strings? Like guitar strings? Like the strings on my hoodie? Or the string of bad dates I had before I figured out that the problem was, apparently, me? No, no, no. We're talking about something much bigger. We're talking about the universe. Space, time, matter, energy, and possibly why Ross keeps saying “We were on a break!” Okay, that last one is not in any physics textbook. Yet. But here's the deal: string theory is one of the most ambitious ideas in modern theoretical physics. It tries to answer a question that sounds simple but is actually ridiculously difficult: What if everything in the universe is made from tiny, vibrating strings? Yeah. Tiny strings. And people have spent de...

Jul282025 by abcNo Comments

The Universe, Woven in Strings

Education, Stories

by Dhrubo Neel People yearn to understand the universe's greatest mysteries. Here's the conundrum, though: mysteries don't exist in the cosmos itself. It doesn't want to come out as mysterious or dramatic. That's just the way things are: what exists, exists; what doesn't, doesn't. There is another (perhaps several) dimension between existence and non-existence that is closed off and uncharted. The gray door between light and darkness is now being peered at by modern science. The U.S. Department of Energy's Dark Energy Spectroscopic Instrument (DESI) may have recently found a key to that door. It made a novel observation in April: the first compelling observational evidence for string theory, which holds that the entire cosmos is composed of microscopic vibrating strings. However,...

Oct222023 by abcNo Comments

Basic Understanding of Quantum Mechanics

Education

Quantum mechanics is a fundamental theory in physics that explores the behavior of matter and energy at the tiniest scales, dealing with atoms and subatomic particles. While it's a complex field, gaining a grasp of some key concepts can provide a solid foundation for further exploration. Fundamental Concepts in Quantum Mechanics Quantum: In quantum mechanics, a "quantum" is a discrete amount that defines the presence or motion of a particle or wave. Weirdness Factor: Quantum mechanics is known for its peculiar features, with "Uncertainty Principle" being a prominent one. It implies that in the description of a particle, its position and momentum cannot both be precisely determined at the same time. Establishment of Duality Duality is a significant concept, suggesting that ...

Feb12023 by abcNo Comments

Describe Quantum Entanglement with Bell Theorem in Simple Terms

Education, উচ্চ মাধ্যমিক, উচ্চমাধ্যমিক পদার্থবিজ্ঞান

Quantum entanglement is a phenomenon where two or more particles can be connected in such a way that the state of one particle is instantly correlated with the state of the other, even if separated by a large distance. Bell's theorem is a result in quantum physics that shows the mathematical incompatibility between the predictions of quantum mechanics and the idea that physical properties have pre-existing values (known as "local realism"). The theorem was demonstrated experimentally, and the results showed that quantum entanglement can indeed lead to statistical correlations that cannot be explained by local realism. In simple terms, quantum entanglement and Bell's theorem show that particles can be connected in a mysterious way, such that the state of one particle is ...