David reviews TVs and leads the Personal Tech team at CNET, covering mobile, software, computing, streaming and home entertainment. We provide helpful, expert reviews, advice and videos on what gadget ...

If you've gone shopping for a new PC or HDTV, you've probably seen a dizzying array of display-technology terms bandied about in the fine-print specs listings on store shelves. You may have asked ...

Fair warning: [Justin Atkin]’s video on how to make plasma, fusors, and magnetrons is a bit long. But it’s worth watching because he’s laying a foundation for a series of experiments with plasma, ...

Osaka, Japan Panasonic, the leading brand for which Matsushita Electric Industrial Co., Ltd. is known, today announced it will launch the world's first 65-inch 1080p (progressive) high-definition (HD) ...

For many welding-related jobs, metal cutting is required before a welding arc is started. Two popular metal-cutting processes to choose from are plasma arc and oxy-fuel. Both systems have advantages ...