Celestial navigation Published on August 21, 2018August 21, 2018 by fivecolorssandt@icloud.com Knowing where you are You can get turn-by-turn directions. What more do you need? Read More
Making mistakes Published on July 31, 2018July 31, 2018 by fivecolorssandt@icloud.com Is punishing mistakes a mistake? Read More
A village in space Published on July 10, 2018July 10, 2018 by fivecolorssandt@icloud.com Interstellar genetics A recent paper contemplates a very long voyage. Read More
How big is your village? Published on July 3, 2018July 3, 2018 by fivecolorssandt@icloud.com History gets more distant An unexpected genetic revolution started about 1850. Read More
Thermodynamics is unfair Published on June 26, 2018June 24, 2018 by fivecolorssandt@icloud.com Cooling is hard Why did air conditioning appear so long after fire? Read More
Photography: the hard part Published on June 19, 2018June 15, 2018 by fivecolorssandt@icloud.com Keeping track It’s still the same task, digital or film. And it is still not done well, sometimes at all, by most photographers. Read More
Consider construction Published on May 15, 2018May 14, 2018 by fivecolorssandt@icloud.com The persistence of the mundane We ponder some unexciting work. Read More
Transistors, candles and light bulbs Published on May 1, 2018May 1, 2018 by fivecolorssandt@icloud.com Simple or complicated Which would you rather explain? Read More
The navigator’s watch Published on April 10, 2018April 10, 2018 by fivecolorssandt@icloud.com Combining instruments Doing some things the old-fashioned way is getting difficult. Read More
The pot, the photograph and the on-line video Published on March 13, 2018March 12, 2018 by fivecolorssandt@icloud.com Following directions Old cast iron and new social media. Read More