It won't be physics that sets the limits of Moore's Law but fiscal issues — as the chip industry's platform of exponential innovation grinds to a halt after a 50 year run in the face of mounting costs around 2020.
Then it'll be up to software to take over in doubling computing power and halving costs every two or so years. Good luck with that.
Rik Myslewski at The Register, reports from the Hot Chips conference at Stanford University: