KITES WITHIN A THUNDER CLOUD

Gathering thunder

It’s common to accompany the rollout of a new biomedical journal with an explanation for its coming into being, usually by suggesting there’s an unmet need, despite the panoply of existing journals. I’m not going to do that, at least not exactly. The biomedical literature is almost unimaginably vast already, much more than even the most diligent speed-reading scholar-who-listens-to-science-blog...

Learning the thunder.

Gifts from the Thunder Beings

8 Outer Billiards on Kites

Outer Billiards on Kites

1 Preface Outer billiards is a basic dynamical system defined relative to a convex shape in the plane. B.H. Neumann introduced outer billiards in the 1950s, and J. Moser popularized outer billiards in the 1970s as a toy model for celestial mechanics. Outer billiards is an appealing dynamical system because of its simplicity and also because of its connection to such topics as interval exchange ...