Consumer & Gadgets

Wearable device uses sonar to reconstruct facial expressions

Cornell researchers have developed a wearable earphone device—or "earable"—that bounces sound off the cheeks and transforms the echoes into an avatar of a person's entire moving face, utilizing acoustic technology to ...

Consumer & Gadgets

Amazon digital assistant Alexa gets new skill: amnesia

Amazon on Wednesday added the ability to tell its Alexa digital assistant to forget what it has heard in a move that could assuage concerns about Echo devices remembering conversations.

Robotics

Robat uses sound to navigate and map a novel environment

A fully autonomous bat-like terrestrial robot, named Robat, can use echolocation to move through a novel environment while mapping it solely based on sound, according to a study published in PLOS Computational Biology by ...

Security

Tencent Blade Team pair talk about smart speaker hack

Security researchers turned themselves into hackers this month to demo the way a smart speaker could be turned into a spy. The researchers took their story to DefCon 2018. They said they achieved remote eavesdropping. Both ...

Consumer & Gadgets

Custom Alexa voice commands enrich Echo's options

Amazon Echo is a wireless speaker and voice command device from Amazon. The device wakes up to the name "Alexa" which is Amazon's voice-controlled personal assistant. Alexa is the voice that delivers information and obeys ...

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