explanation

A small tool

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One step beyond the eyes

We consider an anachronism.

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Beyond our expertise

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Biology

We confront a vast area of (our) ignorance.

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Non-programmers

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Asking the question

Are there some people who cannot learn computer programming?

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Attempting the impossible (II)

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Parallel lines

We continue to wonder what good can come of trying to do what can’t be done.

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Attempting the impossible

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Cubic equations

Sometimes going beyond 2 is extremely difficult.

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Spider bones

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Big is different

We drag Physics into Halloween.

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Fear of the dark

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What’s scary?

We ponder plastic skeletons and other seasonal paraphernalia.

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Know thyself

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Learning and testing

Constructing a useful test can be very difficult.

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In praise of mediocrity

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Home entertainment

When you can get world-class entertainment at the touch of a button, why would you do it yourself?

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Changing the world, or not

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Recording sight and sound

Some inventions change society; others don’t.  Why?

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