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42. In The Hitchhiker’s Guide to the Galaxy by Douglas Adams, the number 42 is the “Answer to the Ultimate Question of Life, the Universe, and Everything”. But he didn’t say what the question was! Since today is Towel Day , let me reveal that now. If you try to get several regular polygons to meet snugly at a point in the plane, what’s the most sides any of the polygons can have? The answer is 42.

The picture shows an equilateral triangle, a regular heptagon and a regular 42-gon meeting snugly at a point. There are actually 17 solutions of. TextFugu. Plan Your Free Online Education at Lifehacker U: Spring Semester 2012. Khan Academy. Distance Learning Courses and Adult Education - The Open University.

Open Yale Courses. UC Berkeley Webcasts. Lecture 1 Lecture 2: Demand and Supply Lecture 3: Demand and Supply - continued Lecture 4: Consumer Choice Lecture 5: Costs of Production.

UC Berkeley Webcasts

These Are the Greatest Geek Books of All Time, Readers Say. InShare0 We revealed our ultimate reading list in "9 Essential Geek Books You Must Read Right Now" last week.

These Are the Greatest Geek Books of All Time, Readers Say

Now readers have spoken, voting for their favorites from the list and submitting many awesome literary picks of their own. The must-read books listed in the gallery above didn't make the original roundup, but received the most attention from readers in our online voting. (The rules remain the same, namely no repeat authors on the list). The comments explaining what makes the books essential geek reading come from reader posts, unless otherwise credited.

DuneBy Frank Herbert (1965) "It's a work that thrusts you into a far-flung, truly, strangely realized future. We revealed our ultimate reading list in "9 Essential Geek Books You Must Read Right Now" last week. Photos: Ariel Zambelich/ Famous Poets and Poems - Read and Enjoy Poetry. Il cane di Dio. Diego Marani ci narra le avventure di Domingo Salazar, detective al servizio di Dio, in un'Italia del futuro trasformata in una teocrazia.

Il cane di Dio

È in libreria un nuovo romanzo di Diego Marani. Il cane di Dio (2012) ci descrive un'Italia di un prossimo futuro. Gödel, Escher, Bach: An Eternal Golden Braid. The Harvard Classics: A Free, Digital Collection. During his days as Harvard’s influential president, Charles W.

The Harvard Classics: A Free, Digital Collection

Eliot made a frequent assertion: If you were to spend just 15 minutes a day reading the right books, a quantity that could fit on a five foot shelf, you could give yourself a proper liberal education. The publisher P. F. Collier and Son loved the idea and asked Eliot to assemble the right collection of works. The result wasa 51-volume series published in 1909 called Dr.

A big h/t to @eugenephoto Texts in the Harvard Classics collection (courtesy of Wikipedia): Library and Archives - ARC-0001 Art Collins Papers, 1959-2005, 55.92 linear feet (l.f.)

Library and Archives -

The Art Collins Papers span the years 1959 to 2005, with the bulk of the papers dating between 1986 and 2004. The collection provides rich documentation of Collins’ role as an artist manager. Benediktinerstift Admont. Ebook Gratis: eBooks, Libri, Riviste e Fumetti Gratuiti. Arise India Forum - Dispel illusion and hatred..establish truth!! Author: Bronnie Ware For many years I worked in palliative care.

Arise India Forum - Dispel illusion and hatred..establish truth!!

My patients were those who had gone home to die. Some incredibly special times were shared. I was with them for the last three to twelve weeks of their lives. 10 Lessons from Einstein. Gallery. Mark Zug art and illustration - Dune, and other Spaces. How Airplanes Fly. Please let me remind all of you--this material is copyrighted.

How Airplanes Fly

Though partially funded by NASA, it is still a private site. Therefore, before using our materials in any form, electronic or otherwise, you need to ask permission. There are two ways to browse the site: (1) use the search button above to find specific materials using keywords; or, (2) go to specific headings like history, principles or careers at specific levels above and click on the button. Teachers may go directly to the Teachers' Guide from the For Teachers button above or site browse as in (1) and (2).

12.409 Hands-On Astronomy: Observing Stars and Planets, Spring 2002. Course Features Lecture notes.

12.409 Hands-On Astronomy: Observing Stars and Planets, Spring 2002

Frontiers and Controversies in Astrophysics — Open Yale Courses. About the Course This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. Particular attention is paid to current projects that promise to improve our understanding significantly over the next few years. The course explores not just what is known, but what is currently not known, and how astronomers are going about trying to find out.

View class sessions » Course Structure This Yale College course, taught on campus twice per week for 50 minutes, was recorded for Open Yale Courses in Spring 2007. 21A.219 Law and Society, Spring 2003. Course Features Selected lecture notes Course Highlights This course includes a general Guide to Reading Social Sciences, which is located in the study materials section.

21A.219 Law and Society, Spring 2003

Course Description Law is a common and yet distinct aspect of everyday life in modern societies. STS.003 The Rise of Modern Science, Fall 2010. This subject introduces the history of science from antiquity to the present.

STS.003 The Rise of Modern Science, Fall 2010

Students consider the impact of philosophy, art, magic, social structure, and folk knowledge on the development of what has come to be called "science" in the Western tradition, including those fields today designated as physics, biology, chemistry, medicine, astronomy and the mind sciences. Topics include concepts of matter, nature, motion, body, heavens, and mind as these have been shaped over the course of history.

Just build them. Hacker Typer.