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.
A: The first television, an electromechanical device capable of producing very small and blurry monochrome images, was developed in 1884. The first transmission of images using this device occurred in 1925. Philo Farnsworth developed the first electronic television in 1927, and the first TV station broadcast the following year. Continue Reading