A research team develops a real-time humidity sensing optical sensor. The response time of the new sensor is 10,000 times faster than the conventional sensors and can be mass-produced at low cost. The ...

The circuit shown in the figure measures relative humidity in air at the low temperatures found in applications like cold storage of food items and greenhouses. Instead of using electrical signal ...

A research team develops self-powering, color-changing humidity sensors. Applicable to various fields including smart windows, health care and safety management. Smart windows that automatically ...

Fig. 1. a, fabrication process of humidity-responsive CLCP films with geometric phase encoding. b, Photo of the films cured at 65℃. The scale bar is 1 mm. Credit: Shi-Long Li, Zhao-Yi Chen, Peng Chen, ...

The Hong Kong Polytechnic University (PolyU) has developed new side-hole polymer optical fiber sensors, which can be used in multiple medical treatments without the drawbacks of other optical fibers ...

New research published in the journal Advanced Optical Materials highlights an innovative technology that signals for windows to change colors depending on the amount of moisture in the air outside.

The Hercules beetle native to South America has a fascinating trait of changing its shell colors depending on the external humidity conditions. This is because the inside of the beetle’s shell ...