a resistor (and often capacitor in parallel) placed in series across your phone line to cause the phone company equipment to be unable to detect that you have answered your telephone
BlackBox is a reasoning game. The player fires electrons into the "Black Box" and tries to deduce where the Atoms are, based on where the electrons come out if they do.
Blackbox is that fast, light window manager you have been looking for without all those annoying library dependancies. If you have a C++ compiler and the X Window System you can compile and use it.