Conversation

Notices

1. Robert McNees (mcnees@mastodon.social)'s status on Monday, 16-Oct-2023 14:27:17 UTC Robert McNees

   Crossing Brougham Bridge in Dublin #OTD in 1843, William Hamilton had a flash of insight. He finally understood how to multiply quaternions after puzzling over the problem for years. He scratched the result into the stone:

   i² = j² = k² = ijk = -1

   Image: Wikimedia

   • Robert McNees (mcnees@mastodon.social)'s status on Monday, 16-Oct-2023 14:35:49 UTC Robert McNees

     in reply to

     • simonbp

     @simonbp Maybe tied for first.

   • simonbp (simonbp@social.linux.pizza)'s status on Monday, 16-Oct-2023 14:35:50 UTC simonbp

     in reply to

     @mcnees Greatest graffiti in Irish history

   • Zach Fine (zachnfine@mastodon.social)'s status on Monday, 16-Oct-2023 14:52:13 UTC Zach Fine

     in reply to

     @mcnees I’m guessing the particular stone is long gone or eroded since I can’t find an image of it.