Physical Transformation AtlasPTA
Claim · claim:gravity-drives-droplet

Gravitational potential difference —drives→ Droplet contact electrification

The atlas records this claim as demonstrated: a gravitational potential difference drives droplet contact electrification under the conditions below.

demonstratedK4 · experimentally observedledger gravitational → electrical · loss to thermalno record-level review date

Exploreconditions · evidence · matrix context · uses · cite

1cited sources1enumerated routes using it1routes with composition evidence1recorded pathways

Conditions

  • falling droplets (rain) supplying the impact and spreading
regime: liquid

Evidence · 1

  1. [1]
    W. Xu, et al.. A droplet-based electricity generator with high instantaneous power density (2020)
    Nature 578, 392–396 · doi:10.1038/s41586-020-1985-6 · crossref ✓ 2026-09-19 · record

Matrix cells this relation feeds

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

D.19 × C.12 · Gravitational potential difference × Triboelectric · Demonstrated
family: Triboelectric

Uses of this claim

recorded pathways · 1

Cite this claim

Physical Transformation Atlas (2026). claim claim:gravity-drives-droplet: Gravitational potential difference —drives→ Droplet contact electrification. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/claim/gravity-drives-droplet

Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.