(AP) – Ted Kaczynski, the convict known as the Unabomber,
was found dead in his prison cell Saturday morning. He was
81 years old.

Kaczynski was found dead around 8 a.m. at a federal prison
in North Carolina, a Bureau of Prisons spokesperson told
The Associated Press. A cause of death is uncertain.

He had been moved to the federal prison medical facility in
North Carolina in December 2021 after spending two decades
in a federal Supermax prison in Colorado for a series of
bombings that targeted scientists.

Kaczynski was serving life without the possibility of parole
following his 1996 arrest at the primitive cabin (below) 
where he was living in western Montana.

On this day in history, June 10, 1752, Benjamin Franklin is
reported to have flown a kite during a thunderstorm, with
a goal of collecting ambient electrical charge in a Leyden
jar — a container that could store an electrical charge for
later use.

This potentially would enable him to demonstrate the
connection between lightning and electricity.

Franklin showed an interest in the subject of electricity in
the mid-1740s when much was still unknown on the topic.

For almost a decade he conducted electrical experiments.
(History.com.)

A Leyden jar was the original form of the capacitor
(also called a condenser).      

Leyden jars are still used by teachers today to
demonstrate the principles of electrostatics.