Category Archives: Science

Are Black Holes Really Black?

The history of black holes is fraught with controversies and twists and turns. Black holes are supposed to be places where information is lost, where the known laws of physics will break down and cease to apply. Nobody can say with certainty what … Continue reading

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Black Holes Forever

I first heard of the expression "black hole" in the 1970’s. At that time, the only ideas I associated with this novel term was that somehow, energy would disappear into it and that whenever it occurs, we’d literally find a spot … Continue reading

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The M-Theory

The Superstring theory is a theory in process. It is now more than 30 years since it first began. Scientists have since learned a lot more about it, developed and worked out a lot of details about the various shapes of the … Continue reading

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What Makes the Superstring Super?

I have often wondered why some scientists call the strings in the string theory "superstrings". Now I think I know, thanks to Brian Greene. He explains that in chapter seven of his classic The Elegant Universe I mentioned in one … Continue reading

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The Problems with String Theory

One of the greatest problems faced by string theorists is how to measure the tension of a string.   We know that if a string is stiffer, it has more potential energy. Thus the modern piano has a much more … Continue reading

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The Black Hole in Physics

The twentieth centuries had two huge revolutions in physisc: the theory of relativity and quantum mechanics both of which had greatly extended our understanding of the extremely big and the extremely small: the galaxies of the one part and the atoms and particles … Continue reading

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A Strange Universe

I have forgotten who it was who said it. He said that not only is the universe strange but that it is stranger than we can imagine! The more I read about cosmology, the more this sense of strangeness grows … Continue reading

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