Selsyn not Selsun …the electric dominatrix …and a not-so-often acknowledged fact about the master-slave relationship.

This is not about “Selsun” Blue Shampoo, it is about “Selsyns.”  The electric kind.  So if you are looking for hair care and styling advice I am NOT your guy.  “Selsyn” is one of the names bestowed upon a group of motors that also include such terms as “Synchro”  …”servo”  …or “rotary transformer”  Selsyn is… Continue reading Selsyn not Selsun …the electric dominatrix …and a not-so-often acknowledged fact about the master-slave relationship.

A Mechanical Neon Oscilloscope

Yes, you read that title correctly.  …and no, I have not been in the sauce yet today.  A mechanical oscilloscope.  Just like spinning disk scanning television once existed, so too, did mechanized oscilloscopes. An oscilloscope is a truly amazing device.  Those who suspect they’ve never seen one probably have–in the form of a heart monitor… Continue reading A Mechanical Neon Oscilloscope