explanation

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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Knobology

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

Not intuitive

Some arbitrary details can be very important.

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Make a map

Published on February 9, 2021February 7, 2021 by fivecolorssandt@icloud.com

Charts, surveys and catalogs

We notice the importance of what and where.

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The prepared mind

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

Learning from an observation

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

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Learning from the Great Conjunction

Published on January 26, 2021January 25, 2021 by fivecolorssandt@icloud.com

A crucial experiment

We investigate a possible event in ancient science.

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On your own

Published on January 19, 2021January 19, 2021 by fivecolorssandt@icloud.com

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

Published on January 12, 2021January 8, 2021 by fivecolorssandt@icloud.com

Help and hindrance

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

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