With a different hole design, crystal fibres can do the opposite trick as well, spreading the light much more evenly across the width of the fibre and thereby reducing non-linear effects.

ECONOMIST: A new approach to making optical fibres

But it would be even worse, said a Palestinian official, for the authority to try to stagger on, with many different forces fighting to fill the vast hole left by Mr Arafat.

ECONOMIST: Yasser Arafat under threat

The team patching the security hole in the server is different from the one working on the October intrusion, which was achieved using an attack program hidden in e-mail, said Rick Miller, another Microsoft spokesman.

CNN: Microsoft servers hit by another hacker

Apparently the string of logging tools, each one measuring something different, needs some room to take their readings so the "rat hole" has to extend below the measured area.

FORBES: Magazine Article

Both versions of the legislation would also address the so-called doughnut hole that leaves many Medicare recipients on the hook for prescription drug costs, although in slightly different ways.

NPR: House On The Verge Of Historic Health Vote