10 Breakthrough Technologies 2022 | MIT Technology Review


The end of passwords

For decades, we’ve needed passwords to do things online. New forms of authentication will finally let us get rid of them for good. Instead, we’ll use a link sent via email, a push notification, or a biometric scan. Not only are these methods easier — you don’t have to remember your face — but they tend to be more secure.

Why it matters

Covid variant tracking

The pandemic brought unprecedented investment in genomic sequencing and dramatically expanded the capacity for this type of monitoring around the world. Better surveillance has allowed scientists to track the spread of the covid virus and to quickly spot and warn about new variants.

Why it matters

A long-lasting grid battery

We’re using more renewable power than ever. But what happens when the sun sets or the wind stops? Grid operators need a way to store electricity for later. New iron-based batteries may be up to the task. They’re made using abundant materials and could be cheaper and more practical than other types of grid storage.

Why it matters



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