Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

If you are intending to keep them for some time, look for pH neutral/buffered paper, and a permanent (and non-toxic) marking device.


Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: