Make a map

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Charts, surveys and catalogs

We notice the importance of what and where.

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The prepared mind

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Learning from an observation

What we see depends on what we’re looking for.

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Learning from the Great Conjunction

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A crucial experiment

We investigate a possible event in ancient science.

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On your own

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Adult learning

Our tutoring consultant offers some comments based on his experience as a teacher and as a learner.

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Relativity and the telegraph

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Help and hindrance

We consider how new technology can make it harder to understand new science.

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Morse code

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High-speed digital communication

The telegraph required a new way of writing messages.

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Starting from scratch

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New habits

One of our consultants describes the inefficiency of moving.

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Well-engineered

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The optimum

We apply criteria from neighboring disciplines to a change of apartments.

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A question of characters

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Computer language change

We notice some limitations of books, as well as their usefulness.

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Color pictures

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Filters or sensors ?

We ponder a photographer’s desire for a monochrome camera.

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