Клик на название графика включает/выключает его. "-Дельта" - графики скорости изменения, единиц в минуту.
Sure free speech is a pillar of a modern civilised society, but whoever thought a 'free speech conference' was a good idea needs their head examined! its been about a year since I 'quit' the skeptic community. Gotta admit, seems like I got out about the right time :-) sargons uncut rant: https://www.youtube.com/watch?v=HfFai-0hqH0