rongorongo

The Bishop questioned the Rapanui wise man, Ouroupano Hinapote, the son of the wise man Tekaki [who said that] he, himself, had begun the requisite studies and knew how to carve the characters with a small shark’s tooth. He said that there was nobody left on the island who knew how to read the characters […]

Continue reading


Systems thinking

Systems thinking involves the use of various techniques to study systems of many kinds. In nature, examples of the objects of systems thinking include ecosystems – in which various elements (such as air, water, movement, plants, and animals) interact. In organizations, systems consist of people, structures, and processes that operate together to make an organization “healthy” […]

Continue reading


Climate is the long term patern

Published on Oct 4, 2013 This edition of COSMIC JOURNEYS explores the still unfolding story of Earth’s past and the light it sheds on the science of climate change today. While that story can tell us about the mechanisms that can shape our climate. it’s still the unique conditions of our time that will determine […]

Continue reading


history of the universe

Uploaded on Apr 11, 2011 Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is “Big History”: an enlightening, wide-angle look at complexity, life and humanity, set against our slim share of the cosmic timeline. Advertisements

Continue reading


Artificial Intelligence – Depth First Search(DFS)

Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. One starts at the root (selecting some arbitrary node as the root in the case of a graph) and explores as far as possible along each branch before backtracking. A version of depth-first search was investigated in the 19th century […]

Continue reading