explanation

The library

Published on May 4, 2021May 3, 2021 by fivecolorssandt@icloud.com

and the librarian

We ponder the relationship between books and readers.

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Many books

Published on April 27, 2021April 26, 2021 by fivecolorssandt@icloud.com

Too many?

How big should your library be?

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Textbook writing

Published on April 20, 2021April 19, 2021 by fivecolorssandt@icloud.com

Induction or deduction

We compare two approaches to teaching mathematics.

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Not quite constant

Published on April 13, 2021April 12, 2021 by fivecolorssandt@icloud.com

Dealing with precession

We note some of the difficulties in writing historical fiction (among other things).

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Flower pictures

Published on April 6, 2021April 5, 2021 by fivecolorssandt@icloud.com

Seasonal photography

A sign of spring raises a very basic question.

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Twelve quarters

Published on March 30, 2021March 28, 2021 by fivecolorssandt@icloud.com

Where the wind blows

A poetic phrase has an unexpected scientific source.

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Colors of the stars

Published on March 23, 2021March 22, 2021 by fivecolorssandt@icloud.com

Poetic and precise

How do you describe a color?

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The long hours

Published on March 16, 2021March 15, 2021 by fivecolorssandt@icloud.com

Time of the season

Some hours used to be longer than others.  Really.

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Alphabetical order

Published on March 2, 2021March 1, 2021 by fivecolorssandt@icloud.com

An historical mistake

We highlight an instance in which not knowing one’s history led to mistakes in astrophysics.

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The last hurrah of the silver plate

Published on February 23, 2021February 22, 2021 by fivecolorssandt@icloud.com

Hunting oxymorons

We recall an example of cutting-edge research using obsolete means.

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