3 ms·
I've heard horror stories where someone wrote an exam with one of those pens, it was stored in the professor's car where it got hot in the sun, and the ink disa
by rhinoceraptor 10y ago
I've heard horror stories where someone wrote an exam with one of those pens, it was stored in the professor's car where it got hot in the sun, and the ink disappeared since the ink 'erases' via heat from the rubber eraser.
- kondro 10y agoAnd it comes back again if you put it in the freezer.