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Showing posts with label
colour
.
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Showing posts with label
colour
.
Show all posts
Monday, August 29, 2016
Why our vision gets blurred, if we look at the spark that comes while welding?
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The simple explanation to this effect is the temporary lapse in recognizing the intensity between the bright and the dull area of the seen...
Sunday, August 23, 2015
Why does the print disappear on ATM receipts?
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ATM, vending machines receipts, bus ticket, use thermal printing. . It is based on the principle of thermochromism, a process of change i...
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