The Human Archives
Light Cone — garment design
Light Cone, 3 of 10 in CausalityIdea 1 of 3: The Speed Limit of Cause
Causality 008—003

Light Cone

1908 CE

From the archiveCausality10 artifacts
From the record · 01 / 03

The Speed Limit of Cause

The sunlight on your skin left the Sun a little over eight minutes ago. Light's finite speed turns every event into the point of an hourglass. Inside the Light Cone are events that could exchange cause and consequence with that point; outside are spacelike events that would require a signal faster than light. The diagram is not one prison built around the universe. Every event carries its own boundary of past influence and future reach.

Read more

The sunlight on your skin left the Sun a little over eight minutes ago. Light's finite speed turns every event into the point of an hourglass. Inside the are events that could exchange cause and consequence with that point; outside are spacelike events that would require a signal faster than light. The diagram is not one prison built around the universe. Every event carries its own boundary of past influence and future reach.