Erasable pen's ink reacts to heat of a matchstick #closeup #satisfying #urday ...
Erasable pen 's ink turns to white on black paper because the ink contains thermochromic dyes that are sensitive to temperature changes. When exposed to sufficient heat, the ink undergoes a chemical ...
PITTSBURGH (KDKA) -- Some things are very sensitive when it comes to temperatures, and we are going to do an experiment that uses a temperature sensitive ink. "Temperature sensitivity" means that the ...
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