http://en.wikipedia.org/wiki/Grace_Hopper said:She visited a large fraction of Digital's engineering facilities, where she generally received a standing ovation at the conclusion of her remarks. During many of her lectures, she illustrated a nanosecond using salvaged obsolete Bell System 25 pair telephone cable, cut it to 11.8 inch (30 cm) lengths, the distance that light travels in one nanosecond, and handed out the individual wires to her listeners. Although no longer a serving officer, she always wore her Navy full dress uniform to these lectures.
3: There exists a lot of literature on exactly how to implement ECL gates and how they work, but not a whole lot on how to realize each different gate type with ECL. (OR/NOR can supposedly be used to make any gate type).