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Communication without boundaries. “We’re moving sonar onto the body.”

Cornell University researchers have developed a new technology allowing silent communication through sonar glasses. The glasses use tiny microphones and speakers to read the words that are silently mouthed by the wearer, allowing them to perform various tasks without needing physical input. The technology was developed by Ruidong Zhang, a Ph.D. student at Cornell, and builds off of a similar project that used a wireless earbud and previous models that relied on cameras.

Highly-Accurate Design.

The glasses are designed to be unobtrusive and not require the user to face a camera or wear an earbud.


Artificial intelligence has become the world’s latest buzzword. And experts have been busy demonstrating its capabilities in virtually every field, including music. And it appears that AI did not fare well in the generation of music.

They recruited 50 participants for this study who have a strong understanding of music, particularly musical notes and other essential components.


Puhimec/iStock.

According to the University of York study, AI-generated music is “inferior to human-composed music.”

Presented by Madhumita Murgia and John Thornhill, produced by Josh Gabert-Doyon and Edwin Lane. Executive producer is Manuela Saragosa. Sound design by Breen Turner and Samantha Giovinco. Original music by Metaphor Music. The FT’s head of audio is Cheryl Brumley. Special thanks to The Hospital for Sick Children.

We’re keen to hear more from our listeners about this show and want to know what you’d like to hear more of, so we’re running a survey which you can find at ft.com/techtonicsurvey. It takes about 10 minutes to complete and you will be in with a chance to win a pair of Bose QuietComfort earbuds.

Read a transcript of this episode on FT.com.

Here’s a breakdown of how I used AI to make a video game.

Here’s the game: https://mreflow.com/jump-game/

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Progress is speeding up even as the world barrels toward one of innumerable disasters. What lies ahead, and what should we do when we get there? In the best-case scenario, we may still have control over our direction.

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Music credits:

This AI tool automatically animates, lights, and composes CG characters into a live-action scene. No complicated 3D software, no expensive production hardware—all you need is a camera.

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Neurosity’s headset uses electroencephalogram technology, or EEG, to measure brain activity by placing small metal electrodes on a person’s scalp. If the electrodes detect decreased electrical activity in the brain, the Crown plays music and sounds, or pulses vibrations, hoping those actions will help the user focus.

But some developers, it seems, have taken Neurosity’s tech a step further, turning the Crown into a more traditional brain computer interface that can allow users to control a computer using only their mind.

One owner of the gadget claimed they’ve used it to drive a Tesla, moving the electric car short distances by doing some mental math, which signals to the device that the person wearing it is exerting a lot of cognitive effort.


Grimes got a new brain gadget for her 35th birthday.