The Five Colors Blog – Page 3 – Five Colors Science & Technology

Still behind

Published on December 12, 2023December 11, 2023 by fivecolorssandt@icloud.com

A fragile system?

Teachers are still seeing the effects of the COVID lockdown. Why?

A testing time (II)

Published on December 5, 2023December 3, 2023 by fivecolorssandt@icloud.com

Different tests

What is a test supposed to do, anyway?

Blast from the past

Published on November 28, 2023November 26, 2023 by fivecolorssandt@icloud.com

History and pre-history

We ponder a very old story, and something that could have been an old story.

Push or pull?

Published on November 21, 2023November 20, 2023 by fivecolorssandt@icloud.com

Information flow

How do you know what you need to know?

Historical fictions

Published on November 14, 2023November 12, 2023 by fivecolorssandt@icloud.com

The history of history

Sometimes stories take on a history of their own.

Common sense

Published on November 7, 2023November 6, 2023 by fivecolorssandt@icloud.com

Everyone has it

We consider common sense as a philosophical principle.

Moonset, Moonrise

Published on October 31, 2023October 31, 2023 by fivecolorssandt@icloud.com

Signs in the sky

Was it a long day, or a long night?

The lateen rig

Published on October 24, 2023October 22, 2023 by fivecolorssandt@icloud.com

A misunderstood sail

We consider a number of mistakes connected with a particular piece of old technology.

People are different

Published on October 17, 2023October 16, 2023 by fivecolorssandt@icloud.com

Visual photometry

Human eyes are not the same as electronic detectors.