geteducated
Active member
I watched one of his classical mechanics lectures on YouTube. looks like someone took the time to edit a video. he did the dot think twice in 40 minutes. I remember when I first saw that..in a middle school math class. it all has to do with where, how tightly you hold, the angle you hold it at, and the direction you intend to make your line.
				
			
	
	
	
	
	
	
	
	