Talk:Vacuum Airships (Terra Futura)/@comment-81.249.251.203-20140427223329

This is ridiculous, sorry from the violence of my words, but this extention of the subject on airships makes no sense...

Vacuum airships aren't possible because a vacuum is not lighter than air for the simple reason that vacuum is composed of NOTHING, therefore it has no mass and cannot be LIGHTER than air if it has NO MASS. Hydrogene (H) and Helium (He) are used in airships because they are the smallest atoms (1 proton and 1 electron for H) we know of and therefore are the lighest.

Creating a vacuum inside a container (an airship in the present case) doesn't make it lighter than the surrounding air it simply. "deletes" the mass of the air that would have been contained in the container. I know this is all about hypothetical technology but at least have the decency of using something else than your obvious lack of knowledge on the subject in order to justify an invention