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Index/People/Schmidt

Schmidt

Family name

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2 results
Feb 6, 2026

What scientific evidence explains why some contrails persist and spread into cirrus clouds?

Persistent contrails form when cold, moist upper-troposphere air mixes with hot, humid aircraft exhaust and the conditions meet a thermodynamic formation threshold; in regions that are ice‑supersatura...

Jan 3, 2026

What would unambiguous geological evidence of a pre‑human industrial civilization look like according to the Silurian hypothesis?

The Silurian hypothesis frames a scientific thought experiment about whether an industrial, pre‑human civilization could leave detectable traces in Earth’s deep geologic record; its authors stress the...