What’s Going on With Smart Rings?

Ultrahuman smart rings currently can’t be sold in the US. We caught up with the company’s chief business officer to discuss ...
Nature

A mysterious ancient fingerprint and a lemon-shaped planet — the stories you’ve missed

The discovery of exoplanet PSR J2322-2650b reveals how unusual other worlds can be. This exoplanet takes just 7.8 hours to ...
IEEE

Closed-Loop Spin Valve Current Sensor Based on Magnetic Shunt Effect for Range Extension

Abstract: To address the wide-range and high-precision requirements of current sensors, this article proposes a design method for a current sensor based on the combination of magnetic shunt structure ...
eLife

PKD2L1 channels segregated to the apical compartment are the exclusive dual-mode pH sensor in cerebrospinal fluid-contacting neurons

This is an important study on the sensory roles of Cerebrospinal fluid-contacting neurons (CBF-cn) in mammals. The authors identify PKD2L1 as the predominant pH-sensing channel CBF-cn and show how the ...
IEEE

A Dynamic Voltage-Based Current Estimation Technique for DC Motor Speed Control Applications

Abstract: Precise operation and control of electric drives in industrial applications, e.g., e-mobility, involve power electronic converters using feedback regulators connected to system state sensors ...