What kind of scientist? Published on August 9, 2022August 7, 2022 by fivecolorssandt@icloud.com Astronomers of different eras We note that different kinds of people have become astronomers, depending on when they worked. Read More
The limits of the eye Published on July 12, 2022July 11, 2022 by fivecolorssandt@icloud.com Ordering the planets There are some things that the naked eye just can’t do. Read More
One’s own sky Published on June 28, 2022June 28, 2022 by fivecolorssandt@icloud.com The kitchen as sundial We notice that calibrated instruments are not always necessary. Read More
Old-fashioned astronomers (I) Published on March 15, 2022March 14, 2022 by fivecolorssandt@icloud.com Arlo Landolt The importance of calibration. Read More
Distant cousins Published on March 1, 2022February 25, 2022 by fivecolorssandt@icloud.com The extended family We make a count of our relations. Read More
Reading the dial (II) Published on February 22, 2022February 20, 2022 by fivecolorssandt@icloud.com Graphs and indicators Digits can be deceiving. Read More
Reading the dial (I) Published on February 15, 2022February 14, 2022 by fivecolorssandt@icloud.com The graph and the digital clock How do you tell time? Read More
Knowing your limits Published on January 18, 2022January 14, 2022 by fivecolorssandt@icloud.com The art of the possible We consider being more realistic in education. Read More
A small tool Published on November 30, 2021November 30, 2021 by fivecolorssandt@icloud.com One step beyond the eyes We consider an anachronism. Read More
Attempting the impossible Published on November 2, 2021November 2, 2021 by fivecolorssandt@icloud.com Cubic equations Sometimes going beyond 2 is extremely difficult. Read More
