You need the Tekkit client (Windows, Mac, Linux) to play.
(When you first launch the client, go to options and select "Always use development builds", then login and join as you would a regular server).
Equivalent Exchange is disabled.

Science!

We are server running Tekkit, which adds a good number of technology and engineering related mods. Our world contains cities, which are protected, and wilderness, where anything goes. Inside of the cities, we have residential, commercial, and industrial areas. You can purchase protected property in these areas and make a living selling things, or venture out into the wild for higher rewards and higher risks. There are also protected government facilities scattered around the map that provide resources or services, but might involve danger.