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Cake day: August 20th, 2023

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  • Parts of it are. The kernel is derived from a Mach microkernel (an experimental kernel in the 80s, which was theoretically supposed to allow different OS personalities to coexist in the same system, sharing resources; macOS’ Darwin/XNU kernel doesn’t implement this capability in full, but you do get the Mach Ports interprocess communication mechanism, and a BSD UNIX personality permanently attached).


















  • The space will reduce congestion (and not being squashed into a sweaty crowd in a narrow corridor is a quality of its own), and space overhead will reduce the risk of airborne viruses spreading. Also, for those prone to claustrophobia, it’s an accessibility issue.

    Yes, it could have been done cheaper and smaller, if one wanted to reinforce the late-20th-century ideology that public transport is a bare-bones soup-kitchen service for those too poor to drive, in which case the money saved could be spent on cutting petrol taxes. Though thankfully we have moved on from there as a society.