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. Read More
The price of old things Published on March 9, 2021March 8, 2021 by fivecolorssandt@icloud.com Market research We ponder the economic future of the past. Read More
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. Read More
Morse code Published on January 5, 2021January 3, 2021 by fivecolorssandt@icloud.com High-speed digital communication The telegraph required a new way of writing messages. Read More
Color pictures Published on December 8, 2020December 7, 2020 by fivecolorssandt@icloud.com Filters or sensors ? We ponder a photographer’s desire for a monochrome camera. Read More
Upgrading Published on November 3, 2020November 3, 2020 by fivecolorssandt@icloud.com Out with the old We make a suggestion that’s out of step with the times. Read More
It used to be hard Published on September 15, 2020September 15, 2020 by fivecolorssandt@icloud.com Now it’s easy Are some things too easy to do nowadays? Read More
Mixing subjects Published on September 8, 2020September 7, 2020 by fivecolorssandt@icloud.com Crossing boundaries We put forward an idea for a college class that will probably never happen. Read More
Language technology Published on June 2, 2020June 2, 2020 by fivecolorssandt@icloud.com Materials for learning We notice that some things have gotten much easier with advances in technology. Read More
Inscribed by hand (II) Published on May 5, 2020May 4, 2020 by fivecolorssandt@icloud.com The technology of writing Sometimes everything changed, sometimes it didn’t. Read More