The "LIE" about erasable by "friction" pens (thermo sensitive ink) - Shorts

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Erasable Pen not the same as Pencils
they are totally different
And the ink can re-disperse in a freezer

Erasers work because of friction. As the abrasives in your eraser are rubbed against paper, friction produces heat, which helps the rubber become sticky enough to hold onto the graphite particles

The Pen's ink is thermo labile, which means you don't need friction for the heat . (It´s not a real lie but, it feels a bit untruthfully )