\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Focal’s first wireless headphones, the $699 Focal Bathys, will soon be joined by an upgraded edition called the Bathys MG. As the name suggests, the new model’s biggest improvement is the use ...

The name of its original Bathys headphones derives from a deep-sea submersible, but Focal will be hoping that its upgraded spin on the five-star cans will raise their performance to new heights. The ...

"Shoutout to all the moms out there, especially the single moms, because it's never what you picture," Mai said around the three-minute and 40-second mark of the video below. "You don't ideally ...

Biologists have built up one of the most detailed pictures ever of the changes that occur in women’s bodies before and after pregnancy, by pooling and studying around 44 million physiological ...

A well-designed flower bed can breathe new life ... of salvias that bloom more than once in a single season can help too. 3. Choose a focal point. Well-designed gardens need a focal point to ...

Fans have spotted one small detail about Archie in a newly released picture of Meghan Markle and Prince Harry ... stood in a stunning garden in front of a tree blooming with pink flowers as she holds ...

We asked our readers to send in their best pictures on the theme of "my best photo". Here is a selection of the photographs we received from around the world. Matthew Logan: "These boys ...

Tempo Music Investments alleged that Cyrus and her team had 'undeniably' ripped off Mars' 2012 single, 'When I Was Your Man'. Lyrics from the chorus of Mars' number say: "I should have bought you ...

Also known as the emerald vine or turquoise jade vine, this flower was discovered in 1841 on Mount Makiling, on the Philippines’ Luzon Island. The stems of this vining flower can reach lengths ...

If you're like me, you've got thousands of photos on your phone of your kids, parents, grandparents, loved ones, and friends. And they're likely to stay there, forgotten until you go digging ...