Monthly Archives: June 2018

Heat, temperature and Clausius inequality in a model for active Brownian particles

Published: 21 April 2017 Umberto Marini Bettolo Marconi , Andrea Puglisi  & Claudio Maggi Scientific Reports volume7, Article number: 46496 (2017) | Download Citation An Erratum to this article was published on 08 June 2018 Updated online 08 June 2018 Abstract Methods of stochastic thermodynamics and hydrodynamics are applied to a recently introduced model of active particles. The model consists of an overdamped particle subject to […]

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Physical quantities,standards and units

LEARNING OBJECTIVES By the end of this section, you will be able to: Perform unit conversions both in the SI and English units. Explain the most common prefixes in the SI units and be able to write them in scientific notation. Figure 1. The distance from Earth to the Moon may seem immense, but it […]

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How is Earth’s Age Calculated?

y Jeanna Bryner, Live Science Managing Editor | November 29, 2012 11:10am ET Pic credits: NASAWhen asked for your age, it’s likely you won’t slip (with the exception of a recent birthday mistake). But for the sprawling sphere we call home, age is a much trickier matter. This week, Cherry Lewis of the University of Bristol presented a […]

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Why Can’t We Divide By Zero?

By Akash Peshin Veteran comedian Steven Wright once joked that black holes are where God divided by zero. Since mathematics arose several millennia ago, Man has disputed and reformed many conventions to keep his love affair with math alive. Centuries ago, the square root of negative numbers was believed to be non-existent until Gerolamo Cardano, in the […]

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The 10 Greatest Physicists in History

Anaximander Lived c. 610 BC – c. 546 BC. Anaximander is responsible for the idea that the earth needs nothing below it to support it. He said that the earth floats in the center of infinity, held in position because it is an equal distance from all the other parts of the universe. In doing so, […]

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