explanation

A stone in the sidewalk (II)

Published on December 17, 2019December 17, 2019 by fivecolorssandt@icloud.com

Repurposed art

We muse on something outside of our area of expertise.

Read More

A stone in the sidewalk (I)

Published on December 10, 2019December 8, 2019 by fivecolorssandt@icloud.com

Round, grooved and underfoot

Why is this strange object in the Alexandria sidewalk?

Read More

Apples and oranges

Published on November 26, 2019November 26, 2019 by fivecolorssandt@icloud.com

Making the right comparison

The answer you get depends on the question you ask.

 

 

 

 

 

 

Read More

Working from a snapshot

Published on November 19, 2019November 18, 2019 by fivecolorssandt@icloud.com

Patient astronomers

People are rather ill-designed for astronomy.

Read More

Greek tragedy

Published on November 12, 2019November 10, 2019 by fivecolorssandt@icloud.com

Retained in translation

What comes across, and doesn’t, when we change languages.

Read More

Fixing old things

Published on November 5, 2019November 3, 2019 by fivecolorssandt@icloud.com

Repairable still

When do you stop paying for repairs?

Read More

How did you do that?

Published on October 29, 2019October 27, 2019 by fivecolorssandt@icloud.com

Doing and teaching

Watching yourself think takes effort and attention.

Read More

A study in saffron

Published on October 22, 2019October 21, 2019 by fivecolorssandt@icloud.com

Some supermarket economics

We contemplate making a fortune in the spice trade.

Read More

Old science fiction

Published on October 15, 2019October 15, 2019 by fivecolorssandt@icloud.com

The trouble with predictions

It didn’t happen that way, but we enjoy the stories in spite of that.

Read More

How much memory?

Published on October 8, 2019October 6, 2019 by fivecolorssandt@icloud.com

Knowing vs. looking it up

Memorization is not the same as learning.  Still, it has its uses.

Read More