2 July 2009
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Q.What is a seismograph and how does it work?
A.Seismographs are used to measure earthquakes and they draw zig-zag lines on long sheets of paper. Earthquake size is measured on a Richter scale.
Q.Why are blueprints blue?
A.Blueprints are blue as they originally used the cyanotype process; a way of copying drawings using blue, light-sensitive paper that leaves white lines.
Q.How do you link 6 dot's with 4 lines on a piece of paper
A.To join 9 dots with 4 lines: a) Top 3 dots and extend out of square. b) Down diagonally left to get 2 and extend. c) Back to start. d) Diagonal.
Q.Why do cigarette papers have dark lines on them?
A.Lines 1mm apart on all cigarette papers are the result of a highly specialised manufacturing process that results in strength, porosity and glowability.