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Dark lattice modes used to create laser light

A plasmonic nanolaser that operates at visible light frequencies and uses dark lattice modes has been made by researchers at Aalto University, Finland. The results are said to open new prospects for on chip coherent light sources.

The laser is based on silver nanoparticles arranged in a periodic array. In contrast to conventional lasers, where the feedback of the lasing signal is provided by ordinary mirrors, the nanolaser uses radiative coupling between silver ...

Scientists create self-healing material

A transparent, self-healing, stretchable, conductive material has been developed by scientists at the University of California, Riverside and the University of Colorado, Boulder. The material can be activated electrically to power artificial muscles and could be used to improve batteries, electronic devices and robots.

‘Safe & Sound’ wearables design challenge

Sponsored by Texas Instruments (TI), element14 invites electronic engineers, designers and makers to participate in the ‘Safe & Sound’ design challenge. To win the challenge, makers need to design a safety-oriented wearable device or solution that protects a person from personal and environmental risks, monitors personal health or protects personal property from theft.

Optical fibre sensor enables real time detection

Optical fibre sensing shows promise for monitoring the condition of structures. By embedding long optical fibres into a structure, strain and temperature distributions along the fibres can be detected. Until now, however, time of distributed measurement took from several tens of seconds to several minutes.

Fluorescent dye could fuel liquid-based batteries

Scientists at the University at Buffalo have identified a fluorescent dye called BODIPY as a suitable material for stocking energy in rechargeable, liquid-based batteries that could one day power small and large scale devices, including cars and homes.

Reactions to record breaking EDS 2016

The Engineering Design Show series of events, achieved record visitor numbers for the fifth year in a row. Running from 19-20 October at the Ericsson Exhibition Halls, Coventry, the shows brought together more than 4200 design engineering professionals to the showcase of British innovation.

A smartwatch prototype uses wrist as a joystick

A Dartmouth-led team has developed WristWhirl – a smartwatch prototype that uses the wrist wearing the watch as a joystick to perform common touch screen gestures with one-handed continuous input – useful when the other hand is encumbered.

MagniV MCUs to speed and simplify motor control systems

NXP has announced the expansion of its family of automotive motor control MCUs and has introduced a portfolio of hardware, software and integrated motor control solutions designed to speed time to market, simplify system development and shorten design cycles. These additions are said to enable a fully functioning motor system to be up and running in 10 minutes.

Visible light communication now possible in the dark

A Dartmouth project called ‘DarkLight’ is said to have demonstrated for the first time how visible light can be used to transmit data even when the light appears dark or off. DarkLight is claimed to provide a new communication primitive similar to infrared communication but it exploits the LED lights already installed rather than needing additional infrared emitters.

Liquid metals for elastic electronics

Self-propelling liquid metals, developed by researchers at RMIT University in Melbourne, are said to be a critical step towards flexible and reconfigurable soft circuit systems, such as 3D electronic displays and components. Potential applications range from smart engineering to biomedicine.

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