Dark matter — the invisible architect of the universe, holding galaxies from flying apart. Thanks to the pioneering work of Fritz Zwicky and Vera Rubin we know: ordinary matter in the cosmos is just a negligible impurity. But what lies behind this dark matter? One of the boldest hypotheses is heavy charged particles, or CHAMPs. They arise in exotic theories: supersymmetry, extra dimensions, hidden sectors. Unlike the popular WIMPs, CHAMPs are not afraid of electromagnetic interaction and carry electric charge — tiny clots of ancient plasma, capable of leaving a trace.

For billions of years, Earth, like a meticulous archivist, has been collecting particles from the galactic halo. Each newborn layer of water, ice, or rock became a page where rare cosmic guests settled. Today we propose reading this stone chronicle. Instead of building expensive underground detectors, we turn to ready-made natural reservoirs: controlled pools, ice cores, and ancient geological formations. CHAMPs, with masses from teraelectronvolts to unimaginable values, lose energy in matter and get stuck at certain depths — forming a sort of 'three-dimensional burial map'.

The main challenge is not to miss a needle in a haystack. Even in the most enriched samples, CHAMPs will be monstrously rare. Classical physics comes to the rescue: gravitational sedimentation and centrifugation. Heavy particles in a liquid obey the Boltzmann distribution — their concentration exponentially increases near the bottom, like yeast in a bottle of wine. Simply letting water settle for a month raises the odds of finding a relic by orders of magnitude. Then — mass spectrometry with induced charge measurement, which unerringly identifies a particle with an anomalous charge-to-mass ratio. Previous searches for CHAMPs in cosmic rays, meteorites, and lunar soil stumbled over the unknown history of the sample; our approach for the first time provides a reproducible, scalable protocol.

Simulation results are impressive. Light particles get stuck in the atmosphere and upper water layers. Superheavy ones, up to 10¹² TeV, penetrate hundreds of meters into the lithosphere — only the low-velocity tail of the galactic flow can stop them. The method's sensitivity covers the CHAMP fraction in dark matter from 10⁻²⁰ at low masses to ~10⁻¹⁰ at high masses — many orders of magnitude beyond existing limits from the stability of neutron stars, white dwarfs, and Big Bang nucleosynthesis data. Ten million cubic meters of water exposed for a year could capture one particle with $f_X$ ~ 10⁻¹⁸. And you don't need to dig into mines — an ordinary surface pool will do.

This approach turns the planet into an active detector that has been accumulating data long before the advent of science. In the future — hybrid enrichment schemes, underground laboratories for analyzing deep rocks, and quantum sensors capable of registering single flybys of charged giants. Already, the idea at the intersection of geology, glaciology, and particle physics promises to open a window into physics beyond the Standard Model. Consider: if CHAMPs are real, then in every glass of water there is less than one particle, but on a planetary scale that's trillions of invisible guests wandering right under our feet. Perhaps the answer to the dark matter puzzle has been lying in ordinary water and stone for decades.