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Groundrules
Note
that this site is a service for "laymen", not a consulting service for
highly technical questions. There
are some ground rules. Please
- submit single, concise, well-focused questions;
- do not use "the Physicist" to do your homework;
- do not ask about technical details which could be related to bombs or other weapons;
- if you don't like my answer, don't try to pursue a debate with me—I do not wish to nor do I have the time to critique your personal theory of the universe!
- I no longer answer questions which are based on premises like: "...if we could travel faster than the speed of light..." or "...ignoring the fact that nothing can go faster than the speed of light...", etc.
- Please refrain from asking questions which include phrases like: "perfectly stiff", "infinite energy source", "perfectly reflective surface", etc. It is usually not possible to give good answers to questions based on unphysical assumptions.