software stack, they were more flexible, designed to work with simpler host
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
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The kernel is the shared surfaceWhen any code runs on Linux, it interacts with the hardware through the kernel via system calls. The Linux kernel exposes roughly 340 syscalls, and the kernel implementation is tens of millions of lines of C code. Every syscall is an entry point into that codebase.
British YouTuber James Bruton wanted to build a giant walking robot from Star Wars – and ride around on it on his friend's tennis court. "My goal is to have something people would click on," he says.