The video explains the quantum measurement problem: quantum theory uses the Schrödinger equation and the wavefunction (ψ) to ...

"Teacher, hot coffee cools down if you leave it alone, right?"The girl said. "It does." "Then, what about cold coffee ...

CHAPTERS: 0:00 - Deterministic to probabilistic universe 1:55 - Why must we quantize gravity? 6:22 - What is the central conflict with gravity and quantum mechanics? 9:09 - Why is quantizing gravity ...

Physicists have confirmed the two foundational postulates of Richard Feynman’s path-integral approach to quantum mechanics in ...

Quantum mechanics is both the most powerful theory physicists have ever devised and the most baffling. On the one hand, countless experiments have confirmed its predictions; the theory undergirds ...

A 'special property' that particles are born withParticles like electrons and photons are not 'tiny spinning spheres' as we might imagine. Even so, particles inherently possess an amount equivalent to ...

Albert Einstein’s theory of gravity, general relativity, is famously incomplete. As proven by physics Nobel laureate Roger Penrose, when matter collapses under its own gravitational pull, the result ...

The notion that our universe may be just one in a series of endless parallel universes—some very similar, some wildly different—has captivated the hearts and minds of many science fiction fans. A ...

Quantum mechanics is the study of the dynamics of particles at its most fundamental level. The state of a particle, such as its position or momentum, is described by a statistical distribution given ...

Over the past few years, researchers have developed various quantum technologies, alternatives to classical devices that operate by leveraging the principles of quantum mechanics. These technologies ...

A deep-underground experiment in Italy has challenged a decades-old theory that gravity may destroy quantum superpositions. After 62 days of measurements at Gran Sasso, researchers found no trace of ...

Xufeng Zhang is using magnets to make computers more power efficient at the quantum level. The Northeastern professor of ...