part 1) gordon moore noticed it took about 18 months for the next smaller transistor size to show up on the market.
part 2) the chip is say 10mmx10mm and if each transistor takes 1mm square, then you can fit 100 transistors on the chip. ie 10 across by 10 down = 100
if you cut the size by 1/2 ie you get 20×20 or 400! cut it again you have 1600 transistors. and cut again you get really fast growth.
his genius was recognizing the economics of that and exploiting it by planning well over the long term … and being in the right place at the right time with the right product!
today and at some point the transistors are so small it is at the atomic atom level
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