"PHILOSOPHY Metaphysics." . . "Infinite." . . "Geschichte." . . "Mathematik." . . "Philosophie." . . "Unendlichkeit." . . . . "A brief history of infinity the quest to think the unthinkable"@en . . . . "History"@en . . . . . . . . . . "Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space.' Douglas Adams, Hitch-hiker's Guide to the Galaxy We human beings have trouble with infinity - yet infinity is a surprisingly human subject. Philosophers and mathematicians have gone mad contemplating its nature and complexity - yet it is a concept routinely used by schoolchildren. Exploring the infinite is a journey into paradox. Here is a quantity that turns arithmetic on its head."@en . . . . . "Electronic books"@en . . "A brief history of infinity : the quest to think the unthinkable" . "A brief history of infinity : the quest to think the unthinkable"@en .