It is said the mother of invention is necessity. I've found that to be real over my Forty years approximately for being an inventor. Another way of putting it really is; find a need and grow it. So the best time to think about an invention might be that moment http://riverocqe47025.xzblogs.com/20073573/invention-ideas-for-students-and-ways-to-come-up-with-new-products