The Polar H9 is our selection for the best-value heart rate monitor in our heart rate monitors for cycling guide. That value is even better, as the H9 is at its lowest-ever price on Amazon. Right now, ...

Document creation and editing, collaboration, eSign, and more - if you need PDF editing software, we've tested the best available tools When you purchase through links on our site, we may earn an ...

We test and rate scores of digital cameras and lenses each year, from pocket-friendly models to high-end medium format systems. Here's everything you need to know to pick the best camera for you.

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

Amy Fridhi is a licensed Realtor® with ΓEA⅃, working with clients in Southwest Florida and Greater Boston. Heading into her sixth year, she has sold over $80 million in real estate. Amy is certified ...

We list the best scheduling apps, to make it simple and easy to make time for planning and meetings. There are many different apps out there you can already use to manage your days. The most obvious ...

Cassidy Horton is a finance writer covering banking, life insurance and business loans. She has worked with top finance brands including NerdWallet, MarketWatch and Consumer Affairs. Cassidy first ...

What is the best webcam? Whether you're regularly streaming or mostly need a webcam for dialing into work calls, a good webcam is now an essential PC upgrade for most PC gamers. A dedicated webcam can ...

Abstract: The prediction of CNC machine tool wear is limited due to the scarcity of data in industry. A sufficient amount of experimental and real-live factory data is missing to train accurate ...

Abstract: During metal machining processes, cutting tool chipping or breakage can deteriorate finished surfaces, leading to significant quality problems and economic loss. Tool breakage detection (TBD ...