a notebook when never know when that ground breaking idea arrive to you.
the second way produce innovative inventions is to observe people and get what enjoy about certain products and what they do not like about certain products and then try to find one method or another around them not like about a machine. once you have an example you is now able to ask in cases where a solution like the one you have thought of would be of assistance if 8 or truly out of 10 believe it is a good idea then it may be worth putting longer into developing it in addition.
the third way to generate 