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Now we have employed it to broadcast hateful rhetoric and divisive ideologies. Now we have fine-tuned our machines to kill one another in ever larger numbers and with ever extra effectivity. It’s our know-how that took the carbon from out of the bottom and put it within the sky. Our know-how that poisoned the water and the air, that made deserts out of forests, and that wiped complete species off the planet. 

Know-how is an engine for issues, for fixing them and for creating solely new ones—after which we perversely flip to even newer applied sciences to attempt to resolve these. On this subject, we step again from this cycle. We discover large questions and exhausting issues and ask: What position can—and may—know-how play going ahead?

Our cowl is impressed by Douglas Fundamental’s terrifying story on plastics. There’s an adage that claims every bit of plastic ever made nonetheless exists. Whereas that isn’t solely true, as Fundamental vividly describes, it’s fairly darn shut. We’re not decreasing how a lot is made—exactly the alternative. Reuse is negligible. Recycling isn’t working. In the meantime, plastic is totally in every single place, and in completely every little thing, together with our personal our bodies. What are we going to do about it? 

AI epitomizes the typically fraught relationship we’ve got with know-how. It has the potential to massively profit society—and but it may trigger incalculable hurt if we get it unsuitable. As its growth races forward, Grace Huckins has written a strong, even poetic exploration of AI consciousness. What wouldn’t it take, and what wouldn’t it imply, for an AI to develop into acutely aware? How would we all know? What would we owe it? 

David W. Brown takes on the problem of spacecraft design and the battle to make smaller, cheaper missions that may nonetheless inform us significant new issues in regards to the photo voltaic system. If we’re going to take advantage of the assets we dedicate to house exploration, we’ll need to grapple with the exhausting limits of physics—and assume exhausting about what we will, and need to, do.

A few of our hardest issues come all the way down to human nature, and our capability and typically outright want for battle. Social media and on-line communications are awful with trolling, disinformation, harassment, and hate speech. Katie Notopoulos argues that the answer for a lot of that is to finish our fixation with free companies and transfer to smaller, distributed platforms that put extra energy in customers’ fingers. 

One exhausting downside most of us have possible confronted is the expertise of interacting with authorities companies on-line. A decade after the famously botched launch of Healthcare.gov, Tate Ryan-Mosley explores why it’s nonetheless so exhausting for the federal government to get tech proper. Her reporting takes us to New York Metropolis, which has had some method of success—partly by going with the bottom tech potential. 

And eventually, we requested a number of the smartest minds on the market what they think about the largest issues that aren’t getting sufficient consideration proper now. You’ll discover their responses, and plenty of extra on-line at techreview.com/hardproblems.