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Spanning The Tree : Dr Radia Perlman & Untangling Networks
As computer networks get bigger, it becomes increasingly hard to keep track of the flow of data over this network. How do you route data, making sure that the data is spread to all parts of the network? You use an algorithm called the spanning tree protocol — just one of the contributions to computer science of a remarkable engineer, Dr. Radia Perlman. But before she created this fundamental Internet protocol, she also worked on LOGO, the first programming language for children, creating a dialect for toddlers.
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A Visit From Saint Rich
With apologies to Clement Clarke Moore, Richard Stallman, and the English-speaking world in general — ed.
‘Twas the night before Christmas
While up in my bed,
I stared at the ceiling
With feelings of dread.
I’d really no reason for portents of doom
Lying there, sleepless, in gathering gloom.
We’d wrapped all the presents, and decked out the tree,
But still, there was something niggling at me.