It’s an electromagnet pendulum analog circuit. Whether you’re building it, or just studying the schematics, this is a fun way to brush up on the non-digital side of the craft. The pendulum is ...

We’ve noticed waving cats in restaurants and stores for years, but even the happy bobbing of their arm didn’t really catch our attention. Maybe [Josh] had seen a couple more than we have when ...

He spent his career teaching, first as a professor in Bristol and later in London, at the City and Guilds Finsbury Technical College, and he was a frequent public speaker on scientific ... importance ...

Want to listen to music by your pool or on your next camping trip? These rugged, waterproof Bluetooth speakers are the best we've tested. I've been a contributing editor for PCMag since 2011.

When you want to listen to your favorite music on the go, you can skip pesky cords and cables–that’s where the best Bluetooth speakers shine. Not only are they portable and user-friendly ...

The best computer speakers can fill your gaming space with great audio. Knowing your budget, what features to prioritize what music and sound profile you like – big bass or an accurate, ...

I liked the original Soundcore Motion Boom, which made our best Bluetooth speakers list and was one of the better mini boom box Bluetooth speaker values over the last few years, selling for around ...

Wireless & Bluetooth Speaker Ratings CR’s labs evaluate wireless speakers on features, ease of use, and—most critically—sound quality. Read our advice on finding the best speaker for your ne ...

Alexa, Google Assistant, or Siri? Once you decide which voice assistant is the right fit for your home, it's easier to choose a smart speaker. These are the best models we've tested. I’ve been ...

If you’re planning on crowning yourself king or queen of summer barbecue season, you better have the perfect set of outdoor speakers— ones that are designed to withstand the elements ...

Gravitational waves, ripples in space-time predicted by Einstein almost a century ago, were detected for the first time in 2015. A new study led by Yanou Cui, an associate professor of physics and ...