Monday, September 20, 2004

Powers of 10 -- updated version of the old demo

Molecular Expressions: Science, Optics and You - Secret Worlds: The Universe Within - Interactive Java Tutorial

This version of the old powers of 10 demo goes from 10 million light years (10**23 meters) to 100 attometers (10 ** -16). It stops at quarks -- too bad -- it would be interesting to continue to the Planck length.

I'm struck again by how self-similar the views are until we drop down to a terrestrial scale.

how to add an Airport express to extend (WDS) an Airport Extreme network

macosxhints - Airport Express WDS with third party NAT / DHCP: "This hint describes how to add an Airport express to extend (WDS) an Airport Extreme network that uses some other (wired) host (e.g. a broadband router) to provide DHCP and NAT. The Airport Express Assistant will let you set up WDS automatically, but it insists that the master airport uses NAT and DHCP, and has a static IP address, which means you have to form a separate subnet for the wireless portion of your network. "