Battle Log
Battle 2 — Mechanics — mechanics - pull
Submitted: 2026-10-04T07:15:56.105Z
Events
t0
human ties one end of a long piece of string to a rubber ball.
Artifacts: cotton string, human, rubber ball
t1
human drapes the ball-string over a table with the free end hanging over one side of the table and the ball end hanging over the opposite side of the table.
Artifacts: human, table, ball-string
t2
human pulls the free end of the ball-string down.
Artifacts: human, ball-string
t3
the free end lowers to the ground. the ball end rises to the table.
Artifacts: human, ball-string, ball-string: pull
Battle Artifacts
ball-string
Type: cord + ball
a long piece of string attached at one end to a rubber ball
Creation event ID: 4
Dependencies: cotton string, rubber ball
ball-string: pull
Type: mechanical interaction
the ball is pulled up by the string.
Creation event ID: 6
Dependencies: ball-string
Battle 1 — Aerodynamics — aerodynamics - Vortex
Submitted: 2026-10-04T06:04:31.507Z
Events
t0
human places a box fan on a table and turns it on.
Artifacts: 20-in 3-speed box fan, human, table
t0
human ties a piece of string around a rubber ball.
Artifacts: cotton string, human, rubber ball
t1
human holds the free end of the ball-string and dangles the spherical ball in the airflow.
Artifacts: human, airflow, ball-string
Battle Artifacts
airflow
Type: airflow
moving air created by turning on a fan
Creation event ID: 1
Dependencies: 20-in 3-speed box fan
ball-string
Type: cord + sphere
a long piece of string attached at one end to a spherical ball.
Creation event ID: 2
Dependencies: cotton string, rubber ball
vortex
Type: airflow phenomenon
air curls around the ball creating a vortex.
Creation event ID: 3
Dependencies: airflow, ball-string