John Logie Baird gave the first demonstration of a colour television transmission on July 3rd, 1928. The leading pioneer in the creation of television, John Logie Baird, was a Scotsman, born in 1888, the son of a Presbyterian minister, and educated in Glasgow. An electrical engineer and an eccentric genius, he was no businessman, his health was precarious and after a time spent marketing socks, jam and soap he suffered a nervous breakdown.
A minute of arc (MOA), arcminute (arcmin) or minute arc is a unit of angular measurement equal to one-sixtieth (1â60) of one degree. As one degree is 1â360 of a circle, one minute of arc is 1â21600 of a circle (or, in radians, Ïâ10800). It is used in fields that involve very small angles, such as astronomy, optometry, ophthalmology, optics, navigation, land surveying and marksmanship.
That is exactly like S = UT + 1/2 AT^2; where U is the initial speed. But instead of meters or feet, linear distance, we use angular distance radians. And we have O = wT + 1/2 aT^2; where w is the initial angular speed (rad/s), T is time (as always), and a = rad/s^2 the angular acceleration.