Category Archives: Science

Getting the Wind Up

Embed from Getty Images A plant disease called “myrtle rust” has appeared in New Zealand, apparently after the spores have been blown across the Tasman sea from Australia. That’s over four thousand miles. The prevailing winds are from Australia to … Continue reading

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A Sum of All the Parts

Consciousness is fascinating and I keep coming back to it. It is personally verifiable in that a person knows that he or she is conscious, but it is difficult if not impossible to tell if a person is conscious from … Continue reading

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Heaven and Hell

Embed from Getty Images What if there is an afterlife? Personally I don’t believe in one, but still. What would it be like? The Christian version is that you get judged on your behaviour in this life then go to … Continue reading

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The Space Between the Stars

Space is big. The Voyager spacecraft (Voyager I and II) were launched in 1977 and are, forty years later, only just entering interstellar space. Though the exact point at which space becomes “interstellar” is debatable. The Voyagers will take 40,000 … 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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