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.
| Filed Under: Firsts 11 Comments. The Television was invented a lot earlier than you might think. The first electrically transmitted TV pictures were the work of J.L. Baird, who built his first TV system in 1926.J.L. Baird was Scottish, and was born in Helensburgh, Scotland.he lad was paid about 60 cents for his appearance! The first broadcasting of TV pictures didnât begin until 1935, in Germany, with American TV broadcasting following six years later, in 1941. By 1949, there were a million TV sets in this country, and by 1959, there were 50 million.