schoolscienceproject.blogspot.in
Transfer pictures
Photos and
drawings from newspapers can be copied easily. Mix two spoonfuls of water one
spoonful of turpentine and one spoonful of liquid detergent and dab this liquid
with a sponge on the newspaper page. Lay a piece of writing paper on top, and
after vigorous rubbing with a spoon the picture is clearly transferred to the
paper. Turpentine and liquid detergent when mixed form an emulsion, which
penetrates between the dye and oil particles of the dry printing ink and make
it liquid again. Only newspaper printing ink can be dissolved, though. The
glossy pictures in magazines contain too
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