Readings

Juodosios skylės ir įvykių horizontai

Black holes and event horizons

The boundary beyond which information cannot escape, and phenomena like Hawking radiation What is a black hole A black hole is a region of spacetime where gravity is so intense...

Black holes and event horizons

The boundary beyond which information cannot escape, and phenomena like Hawking radiation What is a black hole A black hole is a region of spacetime where gravity is so intense...

Kvantinė laukų teorija ir Standartinis modelis

Quantum field theory and the Standard Model

The modern theory describing subatomic particles and their characteristic interactions From particles to fields Early quantum mechanics (1920s) treated particles as wave functions in potential wells, excellently explaining atomic structure...

Quantum field theory and the Standard Model

The modern theory describing subatomic particles and their characteristic interactions From particles to fields Early quantum mechanics (1920s) treated particles as wave functions in potential wells, excellently explaining atomic structure...

Kvantinė mechanika: bangų ir dalelių dualizmas

Quantum mechanics: wave and particle duality

Fundamental principles: Heisenberg uncertainty principle and discrete energy states Revolution in physics At the beginning of the 20th century, classical physics (Newtonian mechanics, Maxwell's electromagnetism) excellently explained macroscopic phenomena, but...

Quantum mechanics: wave and particle duality

Fundamental principles: Heisenberg uncertainty principle and discrete energy states Revolution in physics At the beginning of the 20th century, classical physics (Newtonian mechanics, Maxwell's electromagnetism) excellently explained macroscopic phenomena, but...

Bendrasis reliatyvumas: gravitacija kaip išlenktas erdvėlaikis

General relativity: gravity as curved spacetime

How massive objects curve spacetime, explaining orbits, gravitational lensing, and black hole geometry From Newtonian gravity to spacetime geometry For centuries, Newton's law of universal gravitation was the main explanation...

General relativity: gravity as curved spacetime

How massive objects curve spacetime, explaining orbits, gravitational lensing, and black hole geometry From Newtonian gravity to spacetime geometry For centuries, Newton's law of universal gravitation was the main explanation...

Specialusis reliatyvumas: laiko tįsa ir ilgio susitraukimas

Special relativity: time dilation and length co...

Einstein's system for fast motion and how speed affects measurements of time and space Historical context: from Maxwell to Einstein At the end of the 19th century, James Clerk Maxwell...

Special relativity: time dilation and length co...

Einstein's system for fast motion and how speed affects measurements of time and space Historical context: from Maxwell to Einstein At the end of the 19th century, James Clerk Maxwell...

Įvadas į erdvės ir laiko prigimtį

Introduction to the nature of space and time

Our Universe concept essentially depends on how we perceive space and time. Since the beginning of the 20th century, cornerstone discoveries—Einstein's theory of relativity, quantum mechanics, and others—have transformed these...

Introduction to the nature of space and time

Our Universe concept essentially depends on how we perceive space and time. Since the beginning of the 20th century, cornerstone discoveries—Einstein's theory of relativity, quantum mechanics, and others—have transformed these...