Search results
Results from the WOW.Com Content Network
Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
The Urdu Dictionary Board (Urdu: اردو لغت بورڈ, romanized: Urdu Lughat Board) is an academic and literary institution of Pakistan, administered by National History and Literary Heritage Division of the Ministry of Information & Broadcasting. Its objective is to edit and publish a comprehensive dictionary of the Urdu language.
Hindustani (sometimes called Hindi–Urdu) is a colloquial language and lingua franca of Pakistan and the Hindi Belt of India. It forms a dialect continuum between its two formal registers: the highly Persianized Urdu, and the de-Persianized, Sanskritized Hindi. [2] Urdu uses a modification of the Persian alphabet, whereas Hindi uses Devanagari ...
Modern glasses, the most dominant form of eyewear. Eyewear is a term used to refer to all devices worn over both of a person's eyes, or occasionally a single eye, for one or more of a variety of purposes. Though historically used for vision improvement and correction, eyewear has also evolved into eye protection, for fashion and aesthetic ...
A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.
Average mortgage rates of around 7% are a bit lower than they were this time a year ago, but median home prices have been stubbornly stuck close to all-time highs.
Annual checkups with one’s primary care physician or teeth cleanings with one’s dentist can prevent small issues, like skin moles or plaque buildup, from becoming larger, more expensive issues ...
The name Urdu was first introduced by the poet Ghulam Hamadani Mushafi around 1780. [29] [30] As a literary language, Urdu took shape in courtly, elite settings. [80] [81] While Urdu retained the grammar and core Indo-Aryan vocabulary of the local Indian dialect Khariboli, it adopted the Perso-Arab writing system, written in the Nastaleeq style.