Calculating real GDP is a complex process typically best provided by the BEA. In general, you calculate real GDP by dividing nominal GDP by the GDP deflator (R). The BEA provides the deflator on a ...

The best tilt-shift lenses enable you to tilt the angle of the optical path, relative to the image sensor. They also allow you to shift the optical axis so that it’s off-centre but still parallel to ...

Join me as I pick the best lenses for astrophotography fans shooting a starry night sky, to suit a range of cameras and budgets. I think that the best lenses for astrophotography are vital for getting ...

Our expert reviewers have put these lenses through their paces, and we've covered a range of budgets, so you will find something suitable below. And if your camera is showing its age, we've also ...

Misplaced smartphones can be tough to find, especially if they fall behind a sofa cushion or bed. Unless you have a vague idea of where you left it, you could waste hours hunting for it.

Abstract: This article used far-field light source to investigate the focal length of the short focal length, multifocal metalens. The feasibility of the scheme was ...

Simply sign up to the Style myFT Digest -- delivered directly to your inbox. Bill Cunningham’s bleu de travail jacket. Fran Lebowitz’s Anderson & Sheppard sport coat. IM Pei’s circular ...

Recent Videos Laowa is treating this announcement as a teaser of sorts, and as such, it shared little information regarding specific details of the lens. What we do know is that it will offer an ultra ...

Researchers have developed a groundbreaking method to produce Fresnel zone plates — paper-thin optical lenses — using standard semiconductor manufacturing techniques. These lenses, though less ...

Six native-speaking TikTok creators explain what the language means to them, and reveal their tips for anyone who wants to learn Native speaker Máire Ní Churraoin only posts on social media in ...

and contact lenses. Warby Parker Warby Parker is known for its affordable glasses that are available online and in-store at its many brick-and-mortar locations. You'll find the same shopping ...