A person is a being, typically a human. The exact definition varies depending upon context, for instance characters in fictional novels.

Being Gay Used to Be Illegal


Being Gay used to Be Illegal

“Being gay” (same-sex activity and partnership) used to be illegal in the U.S. and the U.K., and being gay is still illegal in many parts of the world. The details are complex.

Conway’s Game of Life Models Evolution


The Game of Life - a cellular automaton

Conway’s Game of Life is a simple rule-set that models the evolution of systems. It’s a “zero-player” computer program that demonstrates “cellular automata”.

Edison Never Invented Anything


Did Thomas Edison Invent Anything?

Thomas Edison was a businessman, ideas-man, inventor, and more. He invented things, but more-so he collected patents, headed a team of developers, and created companies.

The Sensorama Was the First VR Device


The Sensorama (1962) can be considered the first Virtual Reality device, it was a head-mounted display that played 3D film accompanied by sound, moving air, and aromas to create a virtual sensory environment.

E=mc^2 (Mass and Energy are Equivalent)


Einstein’s mass-energy equivalence equation (E=mc2) shows that mass and energy are equivalent (but not “exactly the same”) properties of a physical system.