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Unhackable metasurface holograms: Security technology can lock information with light color and distance

A research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a secure hologram platform that operates solely based on the wavelength of light and ...
Nature

OpenAI-backed firm to use ultrasound to read minds. Does the science stand up?

Spin-out Merge Labs aims to rival Elon Musk’s brain-chip company Neuralink. But researchers say the technology is still at an ...