A major challenge in self-powered wearable sensors for health care monitoring is distinguishing different signals when they ...

A major challenge in self-powered wearable sensors for health care monitoring is distinguishing different signals when they occur at the same time ...

Right now, such tattoos don’t exist, but the key technology is being worked on in labs around the world, including my lab at ...

A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.

In the COVID-19 pandemic era, at-home, portable tests were crucial for knowing when to wear a mask or isolate at home. Now, ...

In the COVID-19 pandemic era, at-home, portable tests were crucial for knowing when to wear a mask or isolate at home. Now, Penn State engineering ...

Inspired by the unique geometry of natural oxalis leaves, we here propose a novel approach that includes preetching, growth, and transfer process to fabricate laser-induced graphene (LIG) with a ...

If shaving is growing tiresome, consider laser hair removal: This method damages hair follicles to reduce growth over time, ultimately giving more long-term results than using a razor. After ...

In this case, the material was graphene—a so-called two-dimensional material composed of a single layer of carbon atoms. Instead of a stone, the scientists used laser pulses, focusing them on a ...