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He was arrested on suspicion of child endangerment and being in possession of nitrous oxide.

Officers found four deflated balloons in his car along with a nitrous oxide canister.

Depending on the type of rocket fuel used, launches produce nitrogen oxides, chlorine, black carbon particles, water vapor, carbon monoxide and carbon dioxide — and no propellant avoids creating of some kind of emissions.

Nitrous oxide is a common product with medical, industrial and culinary uses, but it’s also used as a recreational drug when inhaled.

Other human remains found elsewhere in Herculaneum had iron oxide deposits in the skull, suggesting that the fluids in the skull were vaporized by the heat, leaving only traces of degraded heme proteins.