radar research wireless privacy eavesdropping speech recognition generative ai

Radar captures subtle cellphone vibrations to eavesdrop on calls from several feet away

Something to look forward to: Researchers at Penn State University have demonstrated a new method of remote surveillance that enables the reconstruction of phone conversations using the subtle vibrations generated by a cellphone's earpiece. This technique, known as wireless tapping, uses millimeter wave radar sensors to detect and interpret these minute vibrations from distances of up to ten feet.
china nvidia h20 nvidia chip exports h20

China urges domestic tech companies to avoid Nvidia H20 chips

Nvidia has responded
In a nutshell: Just days after Nvidia stuck a deal with the US government allowing it to export AI chips to China, Beijing is urging local tech companies to avoid using Team Green's H20 GPU. Regulators want firms to justify their orders of these chips and explain why they are preferable over domestic alternatives.
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