Japan's research team has developed a fire extinguisher that is optimized for use in space which puts out fires using a vacuum. They called their technique the Vacuum Extinguish Method (VEM). Instead of spraying CO2, the VEM sucks the fire source, the flames, as well as any combustion products into a vacuum chamber, thereby preventing or suppressing the spread of harmful combustion products such as fumes, particulate matter or toxic gases in an enclosed cabin.

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