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Asked by 429pmrc37y to Anne, Arthur, Rose, Ruhina, Thomas on 19 Jun 2015. This question was also asked by sophie.
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Ruhina Miller answered on 19 Jun 2015:
I think there will always be new problems and challenges humanity will face – you can’t eliminate everything. Currently though, I think a way to lower CO2 levels in a reasonable way such as converting it into something else, without burning non-renewable fuels to do this (i.e. for the electricity) would be something beneficial.
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Thomas Farrugia answered on 21 Jun 2015:
This is a bit of a tricky one and highly dependent on what you think all of humanity needs. Probably a really good power source, or really efficient way of transporting electricity – so something like artificial photosynthesis (also great for making chemicals) and room temperature superconductivity (apparently a lot of electricity gets lost as heat just due to the high resistance of wires).
I really used to enjoy the idea of space elevators because of the idea that we could start building things in space and going on space adventures. Carbon nanotubes could make this possible – worth reading Arthur C Clarke’s “Fountains of Paradise” if you’ve got the time!
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Arthur Wilkinson answered on 22 Jun 2015:
The problems facing a fast increasing human population are the supply of clean (and cheap) energy, food and water. So I’d say any invention that helps a lot in one these areas, plus new and effective antibacterial drugs as drug-resistant bacteria are going to become a very serious problem.
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Rose Simnett answered on 25 Jun 2015:
I think that the most important thing is the environment because without it, all of nature as we know it could die. So I think that the most important discovery would be for a clean affordable renewable energy source.
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