While many of us were going through middle school, the mysterious ink erasing rubbers were released. How could pen ink be as easy to remove as pencil lead? Were the pen makers at making animal sacrifices to pagan gods?
Before that, we had the two-sided eraser. Most people believe the blue side was made to remove pen ink, but that’s not the original intent. Let’s dig out the reality.
#1 The Double-Sided Pink-Blue Eraser
We were raised to believe the blue side of the eraser was used to remove ink and the pink side was for normal pencil lead.
#2 The Blue Side Erased Pen Pretty Well
This is what the pink side looks like compared to the blue side. It does a fine job of erasing pen mark, but that is not the intended purpose.
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