What are some " needly and essential" inventions we need which have not been invented yet?

I know like we should have flying cars. We should having robots working for each of us while we stay home or go out and travel. We should have computers which we can hook up into our minds and allow all the information from the computer to go into our minds. We should have printers which can print whatever we want just by us telling it to instead of clicking on print on microsoft word. We should have ways to become doctors and lawyers and scientists without having to go to school so long. We should be able to rid world hunger like by regenerating healthy food in labs which eventually feed everyone. We should find machines which we put people in and it will take out every virus.

What inventions do we need you feel have not been invented yet?

* Thanks for your input* Please be serious, I might literally be thinking about giving future thought and support to one of your ideas if it is good and helpful. Thank you.

Answer:
if you support my idea, will I get at least half of the riches made on the patent?
after audiovisual machines i would like flavour and smell in them
i think it's too difficult for most people to think of future.
Cordless electricity!! Definitely the best thing I could have right now. The current solution for this is actually going towards developing more efficient batteries that could run a laptop for days with a single charge...but I would love to see all my power cables dissapear!

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