The technique means only two or three tiny key-hole incisions are made in the cornea, with the unhealthy section removed using special instruments and the donor cornea inserted through the opening.

BBC: New eye surgery shortens recovery

Inside those arenas the key to building the next generation of tiny chips is a technique known as immersion lithography.

FORBES: Magazine Article

The key to all elections is turnout - and the relatively tiny number of swing voters.

BBC: Swing states cook up trouble for Obama