if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible?
it is impossible to travel anywhere without fuel. The only other option is to walk by foot.
I don't know the answer to the question, i'm stumped, please help:-)
2 answers
We don't know of a way to travel without fuel. There are some ideas that it may be possible without fuel. See the Wiki article.
I read the main points in there, and it doesn't really say much