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Heinrich Rudolf Hertz (1856–1894) proved the existence of electromagnetic radiation. In an 1864 presentation, published in 1865, James Clerk Maxwell proposed theories of electromagnetism and mathematical proofs demonstrating that light, radio and x-rays were all types of electromagnetic waves propagating through free space.
YouTube Live was a 2008 event streamed live on the Internet from San Francisco and Tokyo. It was launched November 22–23, 2008. It was hosted by a variety of YouTube celebrities, including The Black Eyed Peas rapper will.i.am, Tom Dickson of Will It Blend, Michael Buckley, The Happy Tree Friends, Fred, Smosh, Esmée Denters, Bo Burnham and singer Katy Perry among others. [1]
Livestreaming, live-streaming, or live streaming is the streaming of video or audio in real time or near real time. While often referred to simply as streaming , the real-time nature of livestreaming differentiates it from other non- live broadcast forms of streamed media such as video-on-demand , vlogs and video-sharing platforms such as ...
Since December 2016, YouTube started rolling out a progress bar at thumbnails' bottom edge, indicating the watch progress of previously watched videos, starting with the iOS app. [187] Live streaming from the mobile app was rolled out in early 2017, initially only available to channels with at least 10,000 subscribers. [188]
Radiology (/ ˌ r eɪ d ɪ ˈ ɒ l ə dʒ i / rey-dee-ol-uh-jee) is the medical specialty that uses medical imaging to diagnose diseases and guide treatment within the bodies of humans and other animals. It began with radiography (which is why its name has a root referring to radiation), but today it includes all imaging
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.Applications of radiography include medical ("diagnostic" radiography and "therapeutic radiography") and industrial radiography.
The Federal Radio Corporation of Nigeria (FRCN) is a Nigerian state radio broadcasting organization. Its flagship station is the syndicated radio network Radio Nigeria, with FM stations across the 36 states and Zonal station in the 6 geopolitical zones that broadcast in the SW (South West – Ibadan, [1] South Central – Yenagoa, South East – Enugu, North East – Maiduguri, North Central ...
Aminu Kano Teaching Hospital is a Federal Government Teaching Hospital located in Kano State, Nigeria. It was formerly known as Bayero University Teaching hospital. The current chief medical director is Abdurrahman Abba Sheshe. [1]