How do we imagine the unimaginable? If we're asked to think of an object - say, a yellow tulip - a picture immediately forms in our mind's eye. But what if we try to imagine a concept such as the square root of a negative number? It sounds impossible, yet as this enchanting, quizzical and evocative book shows, the art of mathematical imagining is not as mysterious as it seems. Drawing on poetry, literature and philosophy, Barry Mazur shows how we can all make the leap of imagination in order to start visualizing the enigmatic 'imaginary numbers' that first baffled mathematicians in the sixteenth century - and are now seen as the bedrock of the universe.

A collection of short poems about all kinds of unusual animals, including the Backtalk Bat, the Roombroom, and the Channel Changer.

This study - a blend of philosophy, poetry, and philology - draws on theories of sexuality, phenomenology, comparative religion, philological writings, Russian formalism, Wittgenstein, Rosenzweig, William Blake, and the very physics of the time-space continuum to explore Kabbalah.

This study - a blend of philosophy, poetry, and philology - draws on theories of sexuality, phenomenology, comparative religion, philological writings, Russian formalism, Wittgenstein, Rosenzweig, William Blake, and the very physics of the time-space continuum to explore Kabbalah.