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French Prime Minister Édouard Philippe shaking hands with a robot. Photo: Alain Jocard/AFP/Getty

As intelligent machines begin muscling into daily life, a big issue remaining is how deeply people will trust them to take over critical tasks like driving, elder or child care, and even military operations.

Why it matters: Calibrating a human's trust to a machine's capability is crucial, as we've reported: Things go wrong if a person places too much or too little trust in a machine. Now, researchers are searching for ways of monitoring trust in real time so they can immediately alter a robot's behavior to match it.

The trouble is that trust is inexact. You can't measure it like a heart rate. Instead, most researchers examine people's behaviors for evidence of confidence.

  • But an ongoing project at Purdue University found more accurate indicators by peeking under the hood at people's brain activity and skin response.
  • In an experiment whose results were published in November, the Purdue team used sensors to measure how participants' bodies changed when they were confronted with a virtual self-driving car with faulty sensors.

Understanding a person's attitude toward a bot — a car, factory robot or virtual assistant — is key to improving cooperation between human and machine. It allows a machine to "self-correct" if it's out of sync with the person using it, Neera Jain, a Purdue engineering professor involved with the research, tells Axios.

Some examples of course-correcting robots:

  • An autonomous vehicle that would give a particularly skeptical driver more time to take control before reaching an obstacle that it can't navigate on its own.
  • An industrial robot that reveals its reasoning to boost confidence in a worker who might otherwise engage a manual override and potentially act less safely.
  • A military reconnaissance robot that gives a trusting soldier extra information about the uncertainty in a report to prevent harm.

Go deeper:

Go deeper

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Facebook: Metaverse won't "move fast and break things"

Illustration: Aïda Amer/Axios

Facebook on Monday said it will invest $50 million over two years in global research and program partners to ensure its metaverse products "are developed responsibly."

Why it matters: "It's almost the opposite of that now long-abandoned slogan of 'move fast and break things,'" Facebook's VP of global affairs Nick Clegg told Axios in an interview at The Atlantic Festival Monday.

Ina Fried, author of Login
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Facebook presses "pause" on Instagram Kids

Illustration: Annelise Capossela/Axios

Facebook's announcement Monday that it was "pausing development" on Instagram Kids did little to slow a wave of criticism of the project ahead of a Senate hearing Thursday.

Yes, but: There's an argument to be made for building kids' versions of popular apps, even if their adult versions are causing real-world harms.

Ford's big plans to turbocharge the electric car industry in the U.S.

Illustration: Annelise Capossela/Axios

Ford Motor Company’s new $11 billion manufacturing plan, the biggest component of which will sit just outside Memphis, is part of a much bigger effort to put the U.S. at the center of the electric vehicle revolution, executive chairman Bill Ford says.

The big picture: Ford’s plans — for enormous facilities in both Tennessee and Kentucky, employing a combined 11,000 workers — are ambitious manufacturing efforts designed to minimize their environmental impact.