Timeline for Are there any natural materials that can be used as a magnifying lens (or to craft one)?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 25, 2018 at 13:30 | review | First posts | |||
| Sep 25, 2018 at 13:51 | |||||
| Sep 25, 2018 at 13:29 | history | answered | Carl Witthoft | CC BY-SA 4.0 |