02 MAR 2019 by ideonexus

 Entropy in our Everyday Lives: Active Stability

Because things naturally move to disorder over time, we can position ourselves to create stability. There are two types of stability: active and passive. Consider a ship, which, if designed well, should be able to sail through a storm without intervention. This is passive stability. A fighter jet, in contrast, requires active stability. The plane can’t fly for more than a few seconds without having to adjust its wings. This adjustment happens so fast that it’s controlled by software. Ther...
  1  notes
 
21 NOV 2017 by ideonexus

 Anecdote of Shamans Responding to Star Trek

DI for documenting his journey to shamanism in the 1994 book Of Water and the Spirit: Ritual, Magic, and Initiation in the Life of African Shaman. He writes about the proverbial dive into the rabbit hole as he was studying with the elders of his community and balancing his newfound wisdom with his Western education. Some paints a picture of a different path to knowledge that contradicts the norms of Western conventions. According to him. the Dagara have no word for the supernatural. "For us, ...
  1  notes
 
12 DEC 2011 by ideonexus

 The Four Forces of Nature

1. Gravity. This is the weakest of the four, but it is a long-range force and acts on everything in the universe as an attraction. This means that for large bodies the gravitational forces all add up and can dominate over all other forces. 2. Electromagnetism. This is also long-range and is much stronger than gravity, but it acts only on particles with an electric charge. being repulsive between charges of the same sign and attractive between charges of the opposite sign. This means the ele...
Folksonomies: physics laws laws of nature
Folksonomies: physics laws laws of nature
  1  notes

Gravity, Electromagnetism, the Strong and Weak Nuclear Forces with brief descriptions.