Abstract: The disadvantages of ellipse fitting method based on algebraic method include its large sampling range, unclear physical explanation of the parameters of the equation, uncontrollable ...

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...

The Oura Ring 4 Ceramic has nothing new under the hood from its predecessor, the regular Oura Ring 4 -- if you could even ...

China’s imports of foreign-branded mobile phones, including Apple’s iPhone, rose 128% in November from a year earlier.

Xiaomi has expanded its smartwatch lineup in China with the launch of the Xiaomi Watch 5, alongside the Xiaomi 17 Ultra. The ...

Explore the best premium smartwatches with health sensors offered by brands like Apple, Oneplus, Samsung, and more. These ...

A 6 litre water heater offers fast heating, compact installation, and controlled energy use, making it ideal for kitchens and ...

By the end of a brutal race or sportive, your body has been through through the wringer. But what exactly goes on under the ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

We’ve gathered some of the best gifts for any occasion, from blenders and espresso machines to smartwatches and treadmills.