These mesopores played a major role in oxidation reactions and improved the electrochemical performance. Using the rotating ring disk electrode method, they discovered that macropores also allowed a ...

In a mixed electrolyte of 1 mol L-1 KOH and 0.1 mol L-1 glycerol, the onset potential of the electrode dropped to 1.16 V RHE, significantly outperforming OER. Rotating ring-disk electrode (RRDE) ...

The Ring of Fire is home to 75% of the world's volcanoes and 90% of its earthquakes. 2 min read The Ring of Fire is a roughly 25,000-mile chain of volcanoes and seismically active sites that ...

A hard disk comprises one or more aluminum or glass platters, coated with a ferromagnetic material. Although the terms "hard disk" and "hard drive" are used synonymously; technically, the disk ...

Rotating Christmas tree stands up the “wow” factor of any yuletide decor, creating a dynamic display for all of your ornaments. With one of these handy stands, there’s no need to hang your ...

Looks and feels more like jewelry than ever. New Smart Sensing platform makes the ring more accurate and easier to wear. Updated app with interesting new features. Better battery life. Both ...

I'm a long-ish distance runner, and these were certainly an interesting experience for my feet! You slide them on and, after ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Chase, Citi, Discover, U.S. Bank and more offer cards that earn 5% cash back in rotating bonus categories. Here's how they stack up. Many or all of the products on this page are from partners who ...

Oura released its newest model, the Oura Ring 4 on October 15. The device features several cosmetic changes as well as some significant hardware improvements. First, the Oura Ring 4 replaces the 3 ...