Articles related to "Modern Physics"

Whereas in much of physics scientists tend to rely on differential equations to describe phenomena, certain physical theories find success by denying continuity.

Physics is a discipline of science that includes many interrelated and active branches.

Stephen W. Hawking has updated his profound classic with A Briefer History of Time and includes new data from observational astronomy and particle physics.

The Higgs boson, aka the god particle, which physicists hope to detect with the new LHC, is the holy grail of modern particle physics. What are bosons and fermions?

Protons and other types of hadrons interact via the strong nuclear force. Hadrons are further classified into mesons and baryons.

Leptons are a class of elementary subatomic particles, which includes electrons and neutrinos, that interact via the weak nuclear force.

Real physics is often weirder than science fiction. Thorne discusses black holes, wormholes, and time warps in a conversational and intriguing book.

Although some of his ideas have been proven wrong. During the Renaissance Leonardo da Vinci thought seriously about flying machines.

The connection between consciousness and quantum reality has been bubbling up in popular culture and it has become unavoidable for physicists to address the issue.

An enclosed metal shell acting as a Faraday cage can offer protection from lightning and other electrical effects.

Attending college can be expensive. Many online colleges offer free online distance learning (minus the degree) without breaking the bank.

Understanding how physics developed in the past helps us understand where it may be going in the future, but it also sheds insight on how we perceive the natural world.

Stephen Hawking followed up A Brief History of Time with a book that took on the other aspect of his work, space, bringing theoretical physics within reach of the layman.

Inside the event horizon or Schwarzschild radius of a static isolated black hole the mass of the collapsed star is compressed into a singularity point.

When white light passes through a prism it spreads out into all the colors of the rainbow. Physics tells us this results from refraction and dispersion.

J. J. Thomson and Ernest Rutherford pioneered studies of atomic structure, but their early models of the structure of the atom had serious flaws.

In physics power is the rate at which energy is used or work is done. The average power is the energy divided by the time.

Ernst Mach was an Austrian physicist and philosopher who established important principles of optics, mechanics, motion, wave dynamics and sensory experience.

Communications satellites often use geosynchronous orbits because they remain stationary above the same location on Earth.

Werner Heisenberg's uncertainty principle means that on a microscopic scale, we can know where something is or where it is going, but not both at the same time.

Nuclear magnetic resonance imaging provides safe nonintrusive medical diagnostic images of the interior of the human body. How does MRI work?

Maxwell's equations synthesized physicists' understanding of electrodynamics and predicted the existence of electromagnetic waves.

The "Scientific Method" is often summed up as a choice between two diametrically opposed, yet often coexisting modes of thought: Induction and Deduction

Is time travel possible? Scientists are thrashing out new theories that would make it so. Have they all gone crazy or is the universe stranger than anyone ever imagined?

Brief biography of Sir Isaac Newton, considered the greatest scientist of all time, famous for "Principia," discovery of gravity, laws of motion, mathematics of calculus.

A fun physics science lab for kids that uses magnets to illustrate Faraday's law and Lenz's law via a magnetic brake effect.

In 1910, physicist, Robert A. Millikan, first measured the charge on the electron, which is the fundamental electric charge, with his classic oil drop experiment.

According to Buddhist teachings, the eater of meat and the animal eaten are locked together in a vicious cycle of mutual resentment leading to rebirth and suffering.

Barack Obama's designated energy secretary shared the 1997 Nobel prize in physics. What is the science behind Chu's Nobel prize in physics?

During a class, Oersted noticed that a compass near a wire carrying electricity was affected by the current induced magnetic field.

Total internal reflection is the fundamental physics principle behind rainbows, the brilliance of diamonds, fiber optic cables, and other technologies.

When light is reflected the incident and reflected angles are equal. Specular reflection is from a smooth surface, and diffuse reflection from a rough surface.

In optics, Snell's law of refraction tells us that light is refracted, or bent, when it passes from one medium to another.

Mathematicians are often known for their creativity; their unique ability to make sense of any worldly phenomenon using numbers. Knot theory is a perfect example of this.

Having rejected the idea for years, some scientists are now saying "yes" to the theory of infinite parallel worlds.

In addition to his work on relativity in 1905, Einstein published an explanation for the photoelectric effect that earned him the 1921 Nobel Prize.

If you think that s-f is a silly boys' genre all about star-ships and robots battling in space, think again: and use this selection for the unconverted as a guide.

Ampere's Law allows physicists to determine the magnitude and direction of the magnetic field induced by an electric current.

A changing magnetic field will induce an electric current and corresponding electric potential difference according to Faraday's Law of electromagnetic induction.

The total electric field integrated over a surface enclosing a volume of space gives the total amount of electric charge in that region of space.

Kinetic energy is the energy of motion. The work energy theorem is a powerful problem solving tool. Heat or thermal energy is random kinetic energy.

Lenz's law, giving the direction of induced electromagnetic fields, is a consequence of the law of conservation of energy.

Nuclear magnetic resonance, a resonance of the nucleus of atoms in magnetic fields, is the fundamental physics behind Magnetic Resonance Imaging and NMR spectroscopy.

Pascal's principle, along with the relationship among pressure, force, and area, forms the basic foundation for all hydraulic engineering.

Potential energy is the energy of position resulting from any conservative force.

In physics pressure is the force per unit area. There are many applications of this concept.

A Faraday cage is an enclosed conducting shell that shields its interior from strong electric fields and electromagnetic waves.

In physics work has a very specific definition that is different from the everyday definition. A force must be applied over a distance.

Light and all types of subatomic elementary particle show properties of both waves and particles.

A calculation of the weight of Earth's atmosphere using the atmospheric pressure at sea level, Earth's radius, and an understanding of the physics of pressure.