Articles Tagged with history

Why teach errors?

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Outdated, still in use

We look for reasons to teach things that aren’t true.

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Divisable numbers

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How many whats in a which?

In actual use, the decimal system is not always the best.

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A village in space

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Interstellar genetics

A recent paper contemplates a very long voyage.

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How big is your village?

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History gets more distant

An unexpected genetic revolution started about 1850.

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The discard pile

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It didn’t work out

What is the use of scientific theories that aren’t right?

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Transistors, candles and light bulbs

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Simple or complicated

Which would you rather explain?

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Hawking radiation – I

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The fame of a physicist

Prof. Stephen Hawking, the famous physicist, died this month.  But why was he famous?

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Unfamiliar territory

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Out of one’s field

Our photographer looks at some paintings.

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How it’s done

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Telescopes and databases

Astronomy changes.  So do the kind of people who become astronomers.

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Knowing what you know

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Your own limits

Are you really almost there, or just starting out?

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