Albert Einstein

This is an introduction to Einstein’s space-bending, time-stretching theory of Relativity, written by the master himself. Special and Genera…

Sidelights on Relativity contains ETHER AND THE THEORY OF RELATIVITY, an address delivered on May 5th, 1920, in the University of Leyden; an…

A collection of short nonfiction works in the public domain. The selections included in this collection were independently chosen by the re…

A collection of short nonfiction works in the public domain. The selections included in this collection were independently chosen by the re…

Soporific dullness is in the ear of the listener, and what's tedium incarnate to one person will be another person's passion and delight. Ho…

Eighteen short nonfiction works in the public domain, independently chosen by the readers. Topics include bedside books, South African cooke…

A collection of short nonfiction works in the public domain. The selections included in this collection were independently chosen by the re…

Ghosts everywhere, and of any colour," was the promise of Spectropia, a book of "surprising spectral illusions" published in …