Yes, but how long did it take relativity and calculus, respectively, to gain traction? I've implemented a great idea myself in my spare time, but it won't chan

Yes, but how long did it take relativity and calculus, respectively, to gain traction? I've implemented a great idea myself in my spare time, but it won't change the world until it spreads. I'm not sure how successful I can be continuing it as a part-time project.