Construct · 2 fields · 2 citations

Where does ballistic collide?

One name. Different field. Different construct. One map.

● jingle · one word, two constructs Nearest construct by meaning·not indexed
ballistic2 CONSTRUCTSBallistic movementDESMEDT & GODAUX · 1977Ballistic transportDATTA · MESOSCOPIC

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1977Ballistic movement1997Ballistic transport
2026

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Motor control

A fast movement launched too quickly for feedback to steer

In motor control, a ballistic movement is a rapid action planned and launched in advance and executed too quickly for sensory feedback to correct it mid-flight, so it is driven by a brief preprogrammed burst of muscle activity much as a thrown projectile is committed once released. Desmedt and Godaux's 1977 Ballistic contractions in man showed that such contractions recruit motor units in a distinctive rapid pattern in the tibialis anterior. The referent is a feedforward, preprogrammed movement of the body, measured in reaction time and EMG burst timing, and it is a different construct from the physics of projectiles or the scatter-free flow of electrons, joined only by the image of being launched and committed.[1]

Unit
The speed and preprogrammed burst timing of the movement
Recovery means
Not applicable
Measured by
Studied by movement time, EMG burst structure, and motor-unit recruitment during rapid contractions

Condensed-matter physics

Charge carriers cross a conductor without scattering

In condensed-matter physics, ballistic transport is conduction in which charge carriers travel across a device shorter than their mean free path, so they move without scattering and the resistance is set by the contacts and the number of available conduction channels rather than by diffusive collisions inside the material. Datta's Electronic transport in mesoscopic systems develops the Landauer–Büttiker picture in which conductance is counted in quantum channels. The referent is scatter-free electron flow in a small conductor, measured in quantised conductance, a wholly separate construct from a limb's preprogrammed movement or a shell's trajectory despite the shared meaning of unobstructed flight.[2]

Unit
Conductance in units of the quantum of conductance, set by open channels
Recovery means
Not applicable
Measured by
Observed through quantised conductance plateaus and the absence of a length-dependent diffusive resistance

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Nearby collisions

action3 fields · 6 citationsjingle · one word, three constructsballistic coefficient1 fields · 1 citationsanchor · standalone constructbarrel1 fields · 1 citationsanchor · a standalone construct

References

  1. Desmedt, J. E., & Godaux, E. (1977). Ballistic contractions in man: Characteristic recruitment pattern of single motor units of the tibialis anterior muscle. The Journal of Physiology, 264(3), 673–693. https://doi.org/10.1113/jphysiol.1977.sp011689
  2. Datta, S. (1997). Electronic transport in mesoscopic systems. Cambridge University Press. ISBN 9780521599436

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