Skip to content
Jump to main navigation and login
Nav view search
Navigation
Search
Home
Contact
Support
Notable projects
Products
Books I wrote
Papers and publications
✨ GitHub projects
Technical notes
Physics notes
––––––––––––––––––––
Cosmology calculator
Hawking radiation calculator
Relativistic rocket calculator
The Seas of (not just) Mars
Psychrometric chart
Julian date calculator
Image deskewing tool
––––––––––––––––––––
Miscellaneous writings
My Web sites
Blog
External links
Site news
Support my research and science communication efforts through Patreon.
Marzipan
Details
Created: 09 November 2000
Marzipan the cat
died.