The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a year thanks to a patent spat, but it's back in action now. Apple has your ...

The article presents *Astronomy magazine's* 15th annual selection of 35 "Star Products," curated to highlight innovative and practical gear for amateur astronomers. The compilation encompasses a ...

You have to look closely to see how this year's Apple Watch differs from last year's flagship model. Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to ...

In the midst of a protracted global trade war, a trend most of us once took for granted is on indefinite hold: That, over time, mainstream tech products tend to get cheaper. The onset of tariffs, or ...

Abstract: The sensing sensitivity and response are highly dependent on the pore size and hydrophobicity of the matrix for optical fiber dissolved oxygen (DO) sensors. This work describes the ...

Abstract: Based on the electrochemistry reaction mechanism, we firstly studied the reaction rates of cathode and anode, respectively. Then mathematical relationship between the reaction rates of ...