Blog Post Header Image Characterizing the 'arrow of time' in open quantum systems

Characterizing the 'arrow of time' in open quantum systems

Even in the strange world of open quantum systems, the arrow of time points steadily forward—most of the time. New experiments conducted at Washington University in St. Louis compare the forward and reverse trajectories of …

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Blog Post Header Image GRAVITATIONAL FIELD

GRAVITATIONAL FIELD

If now, as we find from experience, the acceleration is to be independent of the nature and the condition of the body and always the same for a given gravitational field, then the ratio of …

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Blog Post Header Image THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE)

THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE)

THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE) BY ALBERT EINSTEIN

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Blog Post Header Image SPACE AND TIME IN CLASSICAL MECHANICS

SPACE AND TIME IN CLASSICAL MECHANICS

SPACE AND TIME IN CLASSICAL MECHANICS BY ALBERT EINSTEIN

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Blog Post Header Image Quantum particles :: When photons spice up the energy levels of quantum particles

Quantum particles :: When photons spice up the energy levels of quantum particles

Quantum particles :: When photons spice up the energy levels of quantum particles

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Blog Post Header Image The Physics of Sound 1

The Physics of Sound 1

Sound lies at the very center of speech communication. A sound wave is both the end product of the speech production mechanism and the primary source of raw material used by the listener to recover …

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Blog Post Header Image THEOREM OF THE ADDITION OF VELOCITIES. THE EXPERIMENT OF FIZEAU

THEOREM OF THE ADDITION OF VELOCITIES. THE EXPERIMENT OF FIZEAU

On this point we are enlightened by a most important experiment which the brilliant physicist Fizeau performed more than half a century ago, and which has been repeated since then by some of the best …

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Hope is the bedrock of this nation. The belief that our destiny will not be written for us, but by us, by all those men and women who are not content to settle for the world as it is, who have the courage to remake the world as it should be.
---Barack Obama

Hope is the bedrock of this nation. The belief that our destiny will not be written for us, but by us, by all those men and women who are not content to settle for the world as it is, who have the courage to remake the world as it should be.
---Barack Obama