But part of the NCS programme is devoted to new materials, and Wood acknowledged that it would have to keep an eye open for new discoveries like the superconducting buckminsterfullerenes: synthetic chemists are almost certainly going to find new materials.
There was a secret list of useful persons who could be relied on to keep an eye open for promising young men.
We were conscious of the insecurity of our situation. I felt that hidden eyes must be observing us from behind bushes and tree-trunks. And we had to keep an eye open for police patrols.