No one knows because smoke doesn't have to be visible to exist. Smoke and heat is a combination of hot air and the smoke depends on the material being burned, some burn light and others dark black smoke. Does burning gas from a lighter have no smoke?well, it still burns and heats the air around it and it climbs fast vertically and blurs the air.. That is invisible smoke or hot air from a clean burning fuel. That brings us to one conclusion, smokeless fire is a fire that gives no heat and that is not something of this realm. however, the Muslims have a description of demons in the Qur'an as been created from "smokeless fire" and humans from clay.
NO
There are no calories in smokeless tobacco.
Do not attempt to do load with smokeless powder.
There are approximately 15,432 grains in a gram of smokeless powder.
Approximately 7,000 grains of smokeless powder are in 1 pound.
The Smokeless Stove - 1908 was released on: USA: May 1908
no smoke
Industries are the production of services within an economic structure, most of these services produce solid goods which create pollution or smoke. Tourism is referred to as a smokeless industry because as a service industry it is not making or manufacturing an actual product.
no
snuff
NO!
Thomas Paine did not invent the smokeless candle. He was a political activist and author who played a significant role in the American Revolution. The smokeless candle was actually invented by Michael Faraday in the early 19th century.