I used the Nobel money to buy a house and for the education of my children.

I think both running and science reflect certain character traits. I have endurance, patience, and ambition. I'm willing to work hard toward a goal, to push myself and overcome limits. Running and science both let me express these traits.

Amplifying atoms is more subtle than amplifying electromagnetic waves because atoms can only change their quantum state and cannot be created. Therefore, even if one could amplify gold atoms, one would not realize the dreams of medieval alchemy.

Auto emission is hazardous and has to be controlled.

Bose and Einstein had triggered low-temperature experiments that have led to the discovery of new matter. I owe my work and my Nobel to them.

My explorations of the technical world started with Legos, with which I was quite creative in constructing moving objects with the basic building blocks that were then available.