Abu Ali al-Ḥusayn ibn Abd Allah ibn Sina (Avicenna)

Abu Ali al-Ḥusayn ibn Abd Allah ibn Sina is often referred to as Ibn Sīnā, or in Arabic writing Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā (Arabic أبو علي الحسين بن عبد الله بن سينا) or by his Latinized name philosopher, was a Persianpolymath, United Nations agency wrote nearly 450 treatises on a good vary of subjects, of that around 240 have survived. particularly, a hundred and fifty of his extant treatises focus on philosophy and forty of them focus on medication. His most famed works ar The Book of Healing, a huge philosophical and scientific cyclopaedia, and therefore the Canon of drugs,which was a customary medical text at several medieval universities.The Canon of drugs was used as a text-book within the universities of Montpellier and Leuven as late as 1650.Ibn Sīnā's Canon of drugs provides an entire system of drugs in keeping with the principles of Galen (and Hippocrates). His corpus conjointly includes writing on philosophy, astronomy, alchemy, geology, psychology, Muslim theology, logic, arithmetic, physics, furthermore as poetry.He is considered the foremost famed and powerful pundit of the Muslim Golden Age.

 To know a lot of regarding Abu Ali al-Ḥusayn ibn Abd Allah ibn Sina Click here

Read More [...]

Posted in Arts, Avicenna, Culture and the arts, ibn sina, Islamic theology (kalam), logic, Medicine, philosophy, physics, poetry, science, The Book of Healing, The Canon of Medicine

Television

Television is a compound world. It comes from the Latin word 'tele' and 'vision'. 'Tele' means distance and 'vision' means to see. So the world television means  seeing from distance. Television is an instrument which sends pictures to distant places.It is one of the wonders of modern science.

Papul Nepkow, a German scientist at first thought of sending image to a distant place. Later, on the basis of this experiment television was invented. A British scientist, John Bayard at first invented television in 1925.

 Television is powerful mass-media. It enables us to see and hearing something which is happening hundreds of miles away. It has a significant role in the following sectors.

The broadcast telecom system is usually disseminated via radio transmissions on selected channels within the 54–890 megacycle waveband.Signals area unit currently typically transmitted with stereo or surround sound in several countries. till the 2000s, broadcast TV programs were typically transmitted as AN analog tv signal however throughout the last decade many countries went nearly completely digital.

A standard television contains multiple internal electronic circuits, as well as those for receiving and decryption broadcast signals. a visible show device that lacks a tuner is correctly known as a video monitor, instead of a tv. A telecom system might use totally different technical standards like digital tv (DTV) and telecasting (HDTV) .

TV stems also are used for police work, process management, and guiding of weapons, in places wherever direct observation is troublesome or dangerous. Some studies have found a link between infancy exposure to TV and minimal brain dysfunction.

Read More [...]

Posted in broadcast, channels, DTV, HDTV, mass-media, Papul Nepkow, science, Television