contact · physical
When two things are at the same place in space during time and their boundaries touch.
Examples
- The International Space Station's solar arrays physically contact debris at orbital speeds, causing micrometeorite pits visible on returned panels. engineering
- Two billiard balls touch momentarily after a break shot on a pool table at the 2023 World Nine-ball Championship. everyday life
- Neurons in a mouse hippocampus physically contact each other at synapses, verified via electron microscopy in a 2017 Max Planck study. biology
Emergence
through: Two distinct entities with boundaries occupy the same region in space and time, causing their boundaries to touch, enabling mutual influence.
- coincidence in space and time
- boundary adjacency
- potential for mutual change
Chain to foundations
as tree
Neighborhood
Concepts that depend on this one above; what it is built from below.
Used by (5)
Relations
| enables | interaction.process | contact enables interaction |