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.
By the 1920âs there were 50 serious attempts to invent the television from Russia, America, Germany, Britain and Japan. Many researchers had well resourced and staffed laboratories but the man who invented the television did not.John Logie Baird was born in 1888 near Glasgow.ohn Logie Baird and the invention of the television are part of History. But the idea of the television did not start with Logie Baird in the 1920âs. In the late C19th, a number of scientists had made important discoveries that Baird would use in his first version of a television.