Smart earbuds could soon detect early signs of cognitive decline
Earbuds may soon do much more than play music or take phone calls.
According to a new international study, the same devices millions of people...
New device can hide your heartbeat from radar surveillance
Imagine sitting at your desk during a normal workday. You log into your computer, unaware that a built-in sensing system could be tracking your...
This hair-thin glass microphone can hear electrical sparks before power failures happen
Researchers have created a microphone so thin it looks like a human hair, yet tough enough to survive temperatures as high as 1,000°C.
Made entirely...
This computer uses light instead of electricity—and it solves problems faster than quantum machines
Researchers at Queen's University have built a new kind of computer that uses light instead of electricity—and it works at room temperature, stays stable...
Scientists achieve near-perfect light transmission on silicon chips
Optical fiber quietly powers much of the modern world.
It carries internet traffic across oceans and cities with astonishing efficiency, letting light travel kilometers with...
This 4D-printed smart skin can transform its shape and reveal hidden images
Most synthetic materials are made to do just one or two things. Once they are created, their properties rarely change.
A research team at Penn...
Your smartphones could become lifesaving radiation detectors in emergencies
After a nuclear or radiological accident, knowing who has been exposed to radiation—and how much—can save lives.
But traditional ways of measuring radiation dose usually...
A one-atom-thick fix could finally unlock diamond electronics
Diamonds are famous for their beauty, but their real superpower may lie in electronics.
Beyond sparkle, diamond is one of the toughest and most efficient...
Scientists print the world’s smallest infrared sensors—no silicon required
Engineers have created the smallest fully printed infrared light sensors ever made, opening a new path toward cheaper, smaller, and more flexible infrared technologies.
The...
Why cooling chips to −60°c makes etching up to five times faster
After more than ten years of development, engineers have unveiled a new semiconductor etching method that could significantly speed up chip manufacturing while reducing...