Follow along with Gizmodo as we check out all the latest gadget announcements from the year's biggest, most-packed tech event ...

Abstract: Ball screw is widely used in the fields of modern industry, aviation industry, automobile industry, etc., and has a greater impact on the development of the machine tool industry. Axial ...

Shopping for him can be tricky... especially when he insists he “doesn’t need anything”. Whether you’re buying for a foodie, ...

While many of us would like to see a streamlined profile when we look in the mirror, some of us have excess fat that creates a double chin, also called submental fullness. A double chin can result ...

You may be surprised to learn that between 3% and 6% of the population is at risk for a form of chronic (longstanding) depression that researchers call "double depression." Like all forms of ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

I'm the baby and kids gear writer, a mom to three and former teacher. As a mom to three, including toddler twins, a double stroller is integral to any successful outing for my family. After ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...