C&EN

Flexible Strain-Sensitive Sensors Assembled from Mussel-inspired Hydrogel with Tunable Mechanical Properties and Wide Temperature Tolerance in Multiple Application Scenarios

School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, P. R. China ...

You can now upgrade a retro Casio watch with Bluetooth, step tracking, and games

For the first time since it launched 36 years ago, the iconic Casio F-91W digital watch is getting some smart upgrades — but ...
IEEE

Dual-FBG and F-P Cavity Compound Optical Fiber Sensor for Simultaneous Measurement of Bending, Temperature and Strain

Abstract: A dual-FBG and F-P cavity compound optical fiber sensor based on a multi-core fiber (MCF) is proposed. A hollow core fiber (HCF) was fused between a single-mode fiber (SMF) and a MCF to form ...
IEEE

Active Temperature Compensation for MEMS Capacitive Sensor

Abstract: Temperature variations are one of the most crucial factors that need to be compensated for in MEMS sensors. Many traditional methodologies require an additional circuit to compensate for ...
Hackaday

Heart Rate Measurement Via WiFi, The DIY Way

A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...