explanation

Too simple, or not simple enough

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Modeling stars

How do you know when you’ve included all the important things?

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Cyborg students

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Mechanical aids

When we test students today, what do we test?

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Microclimates

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Weather and learning

If you look closely, there is enormous diversity.  This can be a problem.

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What it looks like

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The craters of the Moon

It looks like something familiar. . .

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Tinkering

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Radio sets and Perl

Playing around can be unexpectedly useful.

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Prepositions and infinitives

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A difficult translation

English is a very unusual language.

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The Aspirational Bookcase

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Good intentions

It can take time to get around to things.

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Long reads

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An unfair advantage

How many people read a thousand-page book?

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Notice to Mariners

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Software updates

A system of correction and new information long predates digital computers.

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Misnaming things

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The astronomer’s dictionary

Misleading terms make learning Astronomy harder.

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