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Researchers Explain Why Pickles Glow When Electrified
Original: Pickles Glow When You Run Electricity Through Them, and Researchers Finally Figured Out Why
Researchers say they have worked out why a pickle glows when electricity is passed through it, a classic physics demonstration in which a pickle lights up like a lamp when wired to a power source. The glow comes from sodium ions in the brine being excited as current heats and vaporises moisture inside the pickle, producing a bright yellow-orange sodium emission. The finding explains a long-running classroom curiosity and is drawing attention as an accessible example of atomic emission spectra.
Why now: A new study resolving a familiar science-demo mystery is being widely shared as fun, accessible physics news.
picklessodium ionsZME Sciencephysics researchers
Evidence
- Pickles Glow When You Run Electricity Through Them, and Researchers Finally Figured Out Why · ZME Science
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