WASHINGTON — Elon Musk, the billionaire owner of major government contractor SpaceX and a key ally of Republican presidential nominee Donald Trump, has been in regular contact with Russian ...

While Google Contacts is otherwise a good example of a modern Material You app, my one design quibble has been the blocky scroll bar. This has finally been addressed as part of a broader tweak to ...

Our top pick, the Acuvue Oasys lenses, cater to specific eye needs and offer crisp vision and comfortable wear. The best contact lenses fit well, are breathable, offer all-day comfort and give you ...

Non-prescription colored contact lenses can lead to serious eye infections or damage. Poorly fitting lenses or those made with unsafe materials can block oxygen to the cornea, leading to complications ...

Thus, this method provides a new approach for the design of progressive addition lenses. Figure 2. Design process flowchart. Unlike progressive multifocal freeform surfaces, defocused freeform ...

WhatsApp is rolling out the ability to add and edit contacts from within the messaging app, even on linked devices. Users will see a new setting to "Sync contact to phone" whenever they save a new ...

WhatsApp is getting a built-in contact manager that lets you save contacts within the app so you don’t lose them if you switch phones. WhatsApp typically relies on the smartphone address book it ...

WhatsApp on Tuesday announced a new feature that will allow users to save contacts within the app. That means that even if you lose your phone or link a new device to your primary number ...

Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...

The best standard zoom lenses are some of the most versatile tools a photographer can carry in their arsenal. While there isn't an official ruling on what constitutes a standard zoom, it's generally ...