You can peel permanent marker, intact, off of glass

Permanent markers aren’t so permanent after all, scientists now report. All you need to peel the ink from glass is water. Oh, and you also need a whole lot of patience!

When glass marked with permanent ink is slowly dipped into water, the writing lifts off the glass. It then floats intact atop the water. Scientists have now uncovered the physics behind the surprising phenomenon: The water’s surface tension breaks the seal between ink and glass.

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