Experimenting with a Magnetohydrodynamic Drive demo

| April 13, 2021

You can take the boy out of school, but you can’t take school (and learning) out of the boy ( or older man at this point). Over the weekend, I was talking to Brenda about how I’ve been following the NASA feed (tweet below) and waiting for the helicopter to take flight on Mars. The […]

The ol’ Scared Pepper Experiment

| November 29, 2006

My son came home and demonstrated the “scared pepper” — surface tension of water experiment today. I’m not sure I fully understand the ‘science’ behind the dish washing soap and water, but from an offset printing background we depend on surface tension and even enhance it with isopropyl alcohol or a substitute to dampen aluminum […]

Desultory - des-uhl-tawr-ee, -tohr-ee

  1. lacking in consistency, constancy, or visible order, disconnected; fitful: desultory conversation.
  2. digressing from or unconnected with the main subject; random: a desultory remark.
My Desultory Blog