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We have been using them since childhood, but it turns out the blue part of an eraser isn't actually intended for ink - and that is likely the reason why it tore a hole in our schoolwork A lot of ...

To achieve the satisfying look of an error-free written page, an erasable pen is a must-have. The best erasable pens write smoothly and erase cleanly without leaving residue or tearing pages. Erasable ...

HOW many years have you thought that the blue side of a double-coloured eraser is to rub out pen marks? Well, you’d be mistaken – as one person found out when they took to Reddit to ask what the ...

SHIKOKU-CHUO, Ehime Prefecture--A flash of inspiration struck professor Hiromi Uchimura about eight years ago as he looked at a popular erasable pen. "Paper equipped with a timer feature could be fun, ...