Hackaday7y
A Flame Diode Pilot Light Sensor For A Burning Man Installation
The sensor allows the pilot light to be automatically re-ignited if ... with a PNP transistor being turned on by the flame diode being placed in its base circuit. This allows the intensity of ...
EurekAlert!9d
From lab to lunchbox: violet LED light stops apple browning in its tracks
A recent study has revealed that violet Light-Emitting-Diode (LED) light can significantly reduce browning in fresh-cut ...
Boosting the response speed of quantum LEDs via an excitation memory effect
Light-emitting diodes (LEDs) are widely used electroluminescent devices that emit light in response to an applied electric ...
Hosted on MSN12d
At-Home Light-Emitting Diode Devices Safe, Effective for Acne Treatment
THURSDAY, March 6, 2025 (HealthDay News) -- At-home light-emitting diode (LED) devices are effective for treating acne, ...
EurekAlert!14d
Eco-friendly quantum-dot light-emitting diode display technologies: prospects and challenges
A new publication from Opto-Electronic Sciences; DOI   10.29026/oes.2025.240028 , discusses eco-friendly quantum-dot ...
clinicaladvisor.com12d
At-Home Light-Emitting Diode Devices Safe, Effective for Acne Treatment
HealthDay News — At-home light-emitting diode (LED) devices are effective for treating acne, according to a research letter published online in JAMA Dermatology. The LED light is thought to ...