Tuesday, June 30, 2015

Swimming with Cabbages

The following is from The Tree of Knowledge, by Humberto Maturana and Francisco Varela.
A story is told of an island somewhere and its inhabitants. The people longed to move to another land where they could have a healthier and better life. The problem was that the practical arts of swimming and sailing had never been developed--or may have been lost long before. For that reason, there were some people who simply refused to think of alternatives to life on the island, whereas others intended to seek a solution to their problems locally, without any thought of crossing the waters. From time to time, some islanders reinvented the arts of swimming and sailing. Also from time to time a student would come up to them, and the following exchange would take place: 
"I want to swim to another land."
"For that you have to learn how to swim. Are you ready to learn?"
"Yes, but I want to take with me my ton of cabbages."
"What cabbages?"
"The food I'll need on the other side or wherever it is."
"But what if there's food on the other side?"
"I don't know what you mean. I'm not sure. I have to bring my cabbages with me."
"But you won't be able to swim with a ton of cabbages. It's too much weight."
"Then I can't learn how to swim. You call my cabbages weight. I call them my basic food." 
The same sentiment is expressed by Thomas Friedman in The Lexus and the Olive Tree. The Lexus embodies progress and technology. The Olive Tree represents tradition. Progress requires the ability to climb fences and defeat the boxes in your life.

Monday, June 22, 2015

Project Nightlight


My first project for my 3D printer was a nightlight for the kids. The photocell senses light levels and turns on the RGB LED when it gets dark. The case was designed in TurboCAD Pro and printed on an Arduino Materia 101. The brains of the device is an Arduino Mini Pro.


Friday, June 19, 2015

Robots Building Robots

From "Second Variety", a short story by Phillip K. Dick:
"There is no race after man."
"No? Why not? Maybe we're seeing it now, the end of human beings, the beginning of the new society."
"They're not a race. They're mechanical killers. You made them to destroy. That's all they can do. They're machines with a job."