Category Archives: Computing

Simple Arithmetic

There periodically appears on the Internet an arithmetic type of puzzle. Typically it will be a string of small natural numbers and a few arithmetic operations, such as “3 + 7 x 2 – 4” and the task is to … Continue reading

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Let’s be Rational – Realer Numbers

Leopold Kronecker said “God made the integers, all else is the work of man”. (“Die ganzen Zahlen hat der liebe Gott gemacht, alles andere ist Menschenwerk”). However man was supposedly made by God, so the distinction is logically irrelevant. I … Continue reading

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Rational versus real

(My last post was very late because I had taken part in a 10km walk on the Sunday and spent the week recovering.) There’s a fundamental dichotomy at the heart of our Universe which I believe throws some light on … Continue reading

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Numbers are fascinating

Numbers fascinate me. What the heck are they? They seem to have an intimate relationship with the “real world”, but are they part of it? If I heave a rock at you, I heave a physical object at you. If … Continue reading

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The Search for the Fundamental

When does it stop? This screen that I am looking at, the keyboard that I am typing on, the invisible air between my eyes and the screen, even my body, all are composed of atoms, I told and believe. Apart … Continue reading

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Mainframes were different

Mainframes were … different. Today we have devices that have orders of magnitude more processing power than the old mainframes. The old mainframes were big machines that performed business tasks for large organisations and that cost millions of dollars. The … Continue reading

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Thus it was written….

Have you ever noticed that a computer program never does exactly what you want? Oh, it will process your data for you, and produce results that you can use, or it will move those files from here to here, but … Continue reading

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