metasurface

Imagine being able to listen to music or other audio that no one else can hear, without having to wear headphones. Doing so is now possible via so-called "audible enclaves," which already exist in functional prototype form.

A tiny chip with a unique surface can accurately detect the blood biomarkers of a heart attack within minutes, a fraction of the time taken by current methods. The researchers behind the device see it being used as an at-home diagnostic tool.