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General Physics Jul 15, 2015

Fastest-ever flexible diode provides 'last missing piece' needed to realize bendable phones

(Phys.org)—While there are hints that Samsung and LG are developing flexible phones that can fold, roll up, and even be stretched into larger screens, there are still some obstacles to overcome before such bendable phones ...

Bio & Medicine Aug 30, 2021

Flexible carbon nanotube fibers woven into clothing gather accurate EKG, heart rate

There's no need to don uncomfortable smartwatches or chest straps to monitor your heart if your comfy shirt can do a better job. 

Optics & Photonics Feb 11, 2021

Capturing free-space optical light for high-speed Wi-Fi

Visible and infrared light can carry more data than radio waves, but has always been confined to a hard-wired, fiber-optic cable. Working with Facebook's Connectivity Lab, a Duke research team has now made a major advance ...

Analytical Chemistry Mar 26, 2020

A wearable, freestanding electrochemical sensing system

In a new study published on Science Advances, Yichao Zhao and a research team in integrated bioelectronics and materials and engineering in the U.S. engineered a disposable, free-standing electrochemical sensing system (FESS). ...

Nanomaterials Dec 27, 2019

Elastic kirigami patch for electromyographic analysis of the palm muscle during baseball pitching

Surface electromyography (sEMG) is widely used to investigate human motion including athletic performance. Baseball pitchers require very precise movements to pitch the ball to the strike zone, where the palm muscle plays ...

General Physics Aug 6, 2018

Ricocheting radio waves monitor the tiniest movements in a room

Relief may be on the horizon for anyone who has ever jumped around a room like a jack-in-the-box to get motion-sensing lights to turn back on, thanks to a new motion sensor based on metamaterials that is sensitive enough ...

Nanophysics Feb 9, 2017

Dual-function nanorod LEDs could make multifunctional displays

Cellphones and other devices could soon be controlled with touchless gestures and charge themselves using ambient light, thanks to new LED arrays that can both emit and detect light.

Optics & Photonics Jan 25, 2017

Engineers develop 'smart glasses' that automatically focus on what wearer sees

The days of wearing bifocals or constantly swapping out reading glasses might soon come to an end.

Nanomaterials Sep 8, 2016

Containing our 'electromagnetic pollution': MXene can protect mobile devices from electromagnetic interference

If you've ever heard your engine rev through your radio while listening to an AM station in your car, or had your television make a buzzing sound when your cell phone is near it, then you've experienced electromagnetic interference. ...

Telecom Feb 23, 2016

Engineers achieve Wi-Fi at 10,000 times lower power

The upside of Wi-Fi is that it's everywhere - invisibly connecting laptops to printers, allowing smartphones to make calls or stream movies without cell service, and letting online gamers battle it out.

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