VERY important article !
....makes me think of what I often thought about to prevent space suits in direct sunlight in a vacuum from overheating, as a person worked in space, or on the Moon, etc.
In principle, a simple beach umbrella, which in space would be weightless, and nearly so on the Moon.
A high tech, ultralight version with a transparent canopy to break up the velocity of the exhalation droplets?
Home Depot sells an 18volt battery powered Ryobi electric fan, that can