this post was submitted on 25 Sep 2023
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[–] justastranger@sh.itjust.works 10 points 1 year ago (1 children)

Fun fact: these pens don't actually erase, they just use heat to become invisible

[–] irmoz@reddthat.com 4 points 1 year ago (1 children)
[–] Promethiel@lemmy.world 8 points 1 year ago (2 children)

Not same diff at all

The erasing can be reversed with cold

Don't write secrets in erasable ink

[–] irmoz@reddthat.com 4 points 1 year ago

Oh, I didn't know it could be reversed. My bad.

[–] rustyricotta@lemmy.ml 3 points 1 year ago

It's neat for writing fun secret messages. Just hold it above your stove or other heat source to easily erase the entire page, then have the recipient put it in the freezer a bit.

But yeah, don't write anything too important.