"Three stories on the nature of identity. In the first a detective writer is drawn into a curious and baffling investigation, in the second a man is set up in an apartment to spy on someone, and the third concernsthe disappearance of a man whose childhood friend is left as his literary executor. "
Faber and Faber
"The New York Trilogy was originally published in the USA as City of Glass (1985), Ghosts (1986) and The Locked Room (1986)."
“Here you will find a [browsable] collection of knots and links, viewed from a (mostly) mathematical perspective. Nearly all of the images here were created with KnotPlot, a fairly elaborate program to visualize and manipulate mathematical knots in three and four dimensions.” The diagrams are in color and are exceptionally clear.
This site includes three translations of the Qur'an; introductions to and texts of the Sunnah (examples) and Hadith (sayings) of Muhammad; descriptions of the fundamentals of Islam; Islamic principles in society; and relations between Islam and other religions. What is NOT Islam discusses the Nation of Islam, the Ahmadiyya Movement, and the Submitters. Also contains an extensive glossary of Islamic terms and concepts. From the Muslim Students Association at the University of Southern California (MSA-USC).
Lithium is a Group 1 (IA) element containing just a single valence electron (1s22s1). Group 1 elements are called "alkali metals". Lithium is a solid only about half as dense as water. A freshly cut chunk of lithium is silvery, but tarnishes in a minute or so in air to give a grey surface.
The laws were formulated between 1609 to 16l9, and are (as usually stated):
Planets move around the Sun in ellipses, with the Sun at one focus
The line connecting the Sun to a planet sweeps equal areas in equal times.
The square of the orbital period of a planet is proportional to the cube (3rd power) of the mean distance from the Sun in (or in other words–of the"semi-major axis" of the ellipse, half the sum of smallest and greatest distance from the Sun)
This high-school level tutorial focuses on three topics: Astronomy of the Earth's motion in space, which includes information, and some experiments and projects that teach concepts about the calendar, seasons, Kepler's laws, building a sundial, and more; Newtonian mechanics, which ha understanding Newton's laws and discussion of mass and motion; and Spaceflight and Spacecraft. Includes a timeline, a list of concepts covered, and a glossary.
How long is a day? It's the amount of time it takes for the Earth to rotate one time on its axis. But how long does it take the Earth to rotate? That is where things become completely arbitrary. The world has decided to standardize on the following increments:
One of a group of English writers in the 1950's, whose works express the bitterness of the lower class towards the stultifying class snobbery and hypocrisy of the British Establishment. He is one who upsets conventional taste and standards, especially in the arts.