In the strange world of quantum mechanics, objects can exist in several states at once. This concept, called superposition, ...

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

The slower growth of gravitational wells and the accelerating expansion might share the same underlying cause.” In so many ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

The idea of a particle that races faster than light has long fascinated physicists. Known as the tachyon, it was originally ...

All the latest science news on general relativity from Phys.org. Find the latest news, advancements, and breakthroughs.

Microwave sources based on backward-wave oscillators (BWOs) with relativistic electron beams are capable of producing high-power coherent radiation in the centimeter- and millimeter-wavelength regimes ...

In this paper, we discuss a time domain finite element method for the approximate solution of Maxwell's equations. A weak formulation is derived for the electric and magnetic fields with appropriate ...

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general relativity. One explains the tiny world of particles; the other describes ...

After a week off, the Formula 1 grid is back in action this week in North America. Here's what you need to know about the Canadian Grand Prix.