- Risk assessment modelling of microbiology-related solids separation problems in activated sludge systems.
- Slime mold inspired path formation protocol for wireless sensor networks
- How Helen Keller used syntactic semantics to escape from a Chinese Room
- Group behavior of agents with an emotional model
Thanks–if they are anything like the snow horse that carried away the squirrel with the marvelous tail, then all those two people to the left need to do is throw a bucket of water on them and at night they’ll come to ice-life and be able to blink.
This post is dedicated to Jason.
Willi Dansgaard Dies at 88; Read Climates in Old Ice
Click on the photo to read Willi’s NYT obit, which describes how he perfected methods for turning ice into a resource for doing history.
Playing and Reality.
The Roman Lucretius’s scientific poem “On the Nature of Things” (c. 60 BC) has a remarkable description of Brownian motion of dust particles. He uses this as a proof of the existence of atoms:
“Observe what happens when sunbeams are admitted into a building and shed light on its shadowy places. You will see a multitude of tiny particles mingling in a multitude of ways… their dancing is an actual indication of underlying movements of matter that are hidden from our sight… It originates with the atoms which move of themselves [i.e. spontaneously]. Then those small compound bodies that are least removed from the impetus of the atoms are set in motion by the impact of their invisible blows and in turn cannon against slightly larger bodies. So the movement mounts up from the atoms and gradually emerges to the level of our senses, so that those bodies are in motion that we see in sunbeams, moved by blows that remain invisible.”
Although the mingling motion of dust particles is caused largely by air currents, the glittering, tumbling motion of small dust particles is, indeed, caused chiefly by true Brownian dynamics.
New Sloth Habitat.
thanks to airplantsupplyco.com