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The Zoo Visitor: Who’s Who in the Zoo

Alfred, the Zoo Gorilla

1Diet.?This was a difficulty. The normal food for a gorilla is the tops of bamboo shoots and wild celery, which means an enormous amount of roughage : a male gorilla is said to pass 1 cwt. of faeces a day. The Zoo diet arranged for him was milk, special wholemeal bread, and bananas (he was having forty-eight a day at the outbreak of war), and when bananas were no longer obtainable they were rep...

The Binary Zoo

In studying encounters between binaries and single stars, one is interested in three classes of events: exchanges of stars, hardening of the original binary by a third star, and the production of merged objects. We present a means for computing cross sections for these three outcomes for an arbitrary binary and single star as might be found in the core of a globular cluster. The cross sections ...

The Neutron Star Zoo

Neutron stars are a very diverse population, both in their observational and their physical properties. They prefer to radiate most of their energy at X-ray and gamma-ray wavelengths. But whether their emission is powered by rotation, accretion, heat, magnetic fields or nuclear reactions, they are all different species of the same animal whose magnetic field evolution and interior composition r...

The F# Computation Expression Zoo

Many computations can be structured using abstract computation types such as monoids, monad transformers or applicative functors. Functional programmers use those abstractions directly while mainstream languages often integrate concrete instances as language features – e.g. generators in Python or asynchronous computations in C# 5.0. The question is, is there a sweet spot between convenient, ha...