These might be anything from a field biologist's notes of lemming populations on Spitzbergen to a physicist's creation of muon tracks in a cloud chamber, or from a set of equations in the mathematical imagination to a vast computer model of the world's climate.

在这本书中你将会看到野外生物学家对于斯匹茨卑根群岛上的旅鼠种群的阐述，物理学家在云室里创建的μ介子轨迹，利用数学概念思考出的一组方程式，以及巨型计算机模型中的全球气候。