Find an Orthopedic Specialist Near You. However, behind knee pain may be a symptom of deep vein thrombosis (blood clot in the leg), which is a serious and life-threatening condition. The blood clot can break loose and cause a pulmonary embolism in the lung, a heart attack, or even stroke. Deep vein thrombosis has similar symptoms to a Bakerâs cyst.
Baird was a Scottish engineer and inventor of the world's first working television system in Hastings, England, in 1923. His public demonstration subsequently took place in Selfridges, a department store in London England, during March 1925.
John Logie Baird, a Scotsman, invented the first fully working TV system in the United Kingdom. It was first demonstrated in 1925 in London and was the first system to be used â¦ for public scheduled broadcasts in 1929.elevision was not invented in Australia,1956 Television was first introduced in Australia.   ______   The first television broadcast in Australia was by TCN-9 in Sydney â¦ on the 16th of September, 1956, with announcer, Bruce Gyngell, introducing TV to the audience.