K'nex Mechanical Computer (2011) [video]
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K'nex Mechanical Computer (2011) [video]
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Re: K'nex Mechanical Computer (2011) [video]
#2Re: K'nex Mechanical Computer (2011) [video]
#3It's up in the publicly-accessible library in Needham, MA if you live nearby and want to check it out!
Re: K'nex Mechanical Computer (2011) [video]
#4Re: K'nex Mechanical Computer (2011) [video]
#5A couple of students from Olin College did this back in 2006/2007 with a 4-bit adder, no electricity, no motors: http://knexcomputer.blogspot.com/ It's up in the publicly-accessible library in Needham, MA if you live nearby and want to check it out!
[1] https://www.youtube.com/watch?v=GcDshWmhF4A
I guess the big difference is the ball-drop adders don't require electricity or motors for one calculation, but you need some method (human or otherwise) to move the balls back to the top. Also you can only carry out calculation downwards, so your CPU might wind up being a few hundred meters tall!
Not to disparage the ball-drop adders at all, just pointing out the differences.
Re: K'nex Mechanical Computer (2011) [video]
#6This is pretty impressive. I can't imagine how much my fingers would hurt after building that thing.
Re: K'nex Mechanical Computer (2011) [video]
#7A couple of students from Olin College did this back in 2006/2007 with a 4-bit adder, no electricity, no motors: http://knexcomputer.blogspot.com/ It's up in the publicly-accessible library in Needham, MA if you live nearby and want to check it out!
Seems like a slightly more complex (has a binary -> decimal decoder) of this [1] which was made around the same time but is a bit easier to see how it operates (since it isn't made of K'nex) [1] https://www.youtube.com/watch?v=GcDshWmhF4A I guess the big difference is the ball-drop adders don't require electricity or motors for one calculation, but you need some method (human or otherwise) to move the balls back to t…