Who has attempted to do that? Who has simply built a computer of any sort? Anyway, how challenging was the endeavor? What did it cost? How long did it take? What materials were used?
O.K., assuming you haven't done this thing, have you thought about it? What's your guesses on the questions in the first paragraph?
O.K., assuming you haven't done this thing, have you thought about it? What's your guesses on the questions in the first paragraph?