Template:Motd/2019-10-23 (en)

Mathematical object for illustrating angles of repose (sandpile) on display at Matemateca (IME/USP)

 Template:Motd/2019-10-23

This is the English translation of the Media of the day description page from 23 October 2019.

Descriptions in other languages:

• Motd/2019-10-23 (cs)
• Motd/2019-10-23 (en)
• Motd/2019-10-23 (myv)
• Motd/2019-10-23 (pl)