I have one idea I'm still incubating in the back of my head that's a 6. It's achievable technologically, but I'm not yet in the right place in my life to be the one to achieve it.
Edit: It's not a drug - but it will, imho, produce a change in the basic human condition, if/when implemented.
Edit: It's not a drug - but it will, imho, produce a change in the basic human condition, if/when implemented.