What inspires an invention? They say necessity is the mother of all invention

Write down all those ideas you may come up with about useful gadgets, they can be useful in the near future and even an excellent way of living.
Worried about the money to develop your idea? Don't be,  there are always people ready to give financial support to smart ideas. 

 Adrian Solgaard  has developed a solar powered, lockable back pack which can keep all our gadgets working. Interesting, isn't it? If you are curious about it, go on reading

http://blogs.elpais.com/trans-iberian/2016/04/have-lifepack-will-travel.html