We must get the talks moving with visible action in the factories.

On Ash Wednesday, we will begin with public actions, not just for one day and not just for one company.

Our positions have drifted far apart.

The first was a medical or biological application, in which the robot was handling biological cells, injecting liquid into them. The second scenario was micro-assembly, in which the robot soldered tiny parts. The final scenario looked at atomic force, with the robot mounting atomic force and doing experiments on it.

We are exploring moving beyond silicon-based chips to significantly boost the performance of PCs. Silicon chips will continue to improve, but we need to look ahead decades into the future.

I like to use the example that building a car is hard, but building the first car is quite hard.