Small perturbations Published on April 15, 2025April 14, 2025 by fivecolorssandt@icloud.com A big subject We describe how to do something that’s hard. Read More
Time is against us Published on March 18, 2025March 16, 2025 by fivecolorssandt@icloud.com Human scales The universe is often an obstacle to science fiction. Read More
April fool? Published on March 26, 2024March 26, 2024 by fivecolorssandt@icloud.com Camouflaged truth It’s not always easy to sort out fact from falsehood. Read More
Better but harder Published on October 18, 2022October 17, 2022 by fivecolorssandt@icloud.com Simple becomes difficult We ponder how the same scientific task gets harder with time. Read More
Old-fashioned astronomers (II) Published on March 22, 2022March 21, 2022 by fivecolorssandt@icloud.com Roger Griffin Know your data! Read More
On orbits Published on May 12, 2020May 10, 2020 by fivecolorssandt@icloud.com Curves in space Things are different out there. Read More
Archives and old software Published on April 14, 2020April 13, 2020 by fivecolorssandt@icloud.com Looking again We find ourselves agreeing with Antoine de Saint-Exupéry. Read More
