You have to just think of an invention that somebody has already made. You can also get ideas, by looking at things around you.
inventors invent things everywhere home, office, or a lab.
you can invent if you really want you can invent by things that are not expensive..right?
selfish people prefer to invent things which doesn't hurt them.
Many many things people can invent.
:(
Firstly empires are not people and therefore they do not invent things. Secondly inventing things is what people do, whether Roman or not.
They design things to be invented, but do not invent their own thing.
me
invent things
ME!!!!!!!!!!
With science!
nope