Vacuum Debates Foreshadow Chemtrail Politics

Seventeenth‑century fights over whether a 'vacuum' exists—sparked by Torricelli’s mercury‑tube experiment—show how clashes over invisible phenomena can become culturally and politically explosive. Today’s chemtrail claims repeat the script: distrust of instruments, projection onto unseen air, and pressure on officials to act against imagined threats. — Seeing chemtrail politics as a rerun of earlier 'invisible world' panics can help design communication and policy that anticipates backlash to real climate interventions like geoengineering.