> Make Solar Energy Economical That is already solved. > Develop Carbon Sequestration Methods That is not necessary, because 1 is solved. > Reverse engineer

> Make Solar Energy Economical That is already solved. > Develop Carbon Sequestration Methods That is not necessary, because 1 is solved. > Reverse engineer the brain What for? There was already the european human brain project, which didn't do anything useful. > Prevent nuclear terror Easy one: Every country stops developing nuclear weapons and destroys existing ones. It seems this list itself has many flaws. Maybe we need a bigger computer which figures out the questions we really need to ask.