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Light speckle fluctuations, a noninvasive proxy for cerebral blood flow index (CBFi), are quantified by diffuse correlation spectroscopy. However, this conventional technique provides marginal brain ...

If you are wondering whether Yangtze Optical Fibre And Cable Limited is still attractively priced after its recent run, this article will walk through what the current share price could mean for value ...

Researchers have developed a new way to recognize human emotions by combining fiber-based physiological signals with thermal ...

Some earphones track heart rate and oxygen levels using Photoplethysmography and Pulse Oximetry, integrating wellness ...

Cerebral blood flow is essential for normal brain function and often perturbed in neurological disease. If one shines a source of coherent light on ...

A single flat metalens now handles both excitation and fluorescence collection for diamond quantum sensors, enabling ...

Physicists have recreated the Nobel Prize–winning quantum Hall effect using light, revealing that photons can follow the same ...

Hidden semiconductor defects often pass inspection but fail later in operation. Learn how latent defects form, evade detection, and drive long-term reliability failures.

Imaging-based single-cell physiological profiling holds great potential for uncovering fundamental bacterial cold shock response (CSR) mechanisms, but its application is impeded by severe focus drift ...

Overview: Heart rate monitors show workout intensity clearly. They help maintain safe and effective training levels.Chest straps offer higher accuracy. Arm ...

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...