Browsing Archive: February, 2018

A New Test Of General Relativity

Posted by on Saturday, February 24, 2018, In : Astronomy 
One of the great unsolved problems in modern physics is the nature of gravity. Since Einstein first published the general theory of relativity over a century ago, it has proven to be a very accurate model of the solar system and the cosmos. Repeated experiments have confirmed its predictions in the form of planetary orbits, gravitational lensing, and high precision measurements of time and frequency on the Earth and in orbit. So far no deviations from the predictions of general relativity hav...
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Surreal Numbers

Posted by on Friday, February 23, 2018, In : Mathematics 
I am always amazed at how simple some of the most interesting ideas and research in modern mathematics truly is. There are problems in mathematics that can be explained to a small child and yet the greatest minds of the past centuries have been unable to solve. Mathematics is one of the few fields of study where anyone can understand topics that the leading experts are still trying to solve. One such topic is the surreal numbers.

Everyone remembers as a child learning the integers, or counting...
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Energy Localization

Posted by on Saturday, February 10, 2018,
After the memorial I posted earlier in the week, I have had a few readers ask me for more details about energy localization in the general theory of relativity. There are a few variations on this theory, and so I will try to focus on generic properties and as usual I will try to minimize formal equations in order to make this article accessible to a general audience.

The general theory of relativity was first published in 1915, and quickly confirmed by astrophysics experiments over the followi...
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In Memorium

Posted by on Wednesday, February 7, 2018,
There is some sad news to report this month, with the passing in January of one of my friends and mentors, Dr. Fred Cooperstock. Not only was he an accomplished physicists making significant contributions to the study of the general theory of relativity, but he was also a much loved and respected instructor to generations of physics students at the University of Victoria.

As a theoretical physicist he was best known for the Cooperstock Energy Localization Hypothesis, which argued that gravitat...
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About Me


Dr. Chris Bird I am a theoretical physicist & mathematician, with training in electronics, programming, robotics, and a number of other related fields.

   

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