http://lpiyu33yusoalp5kh3f4hak2so2sjjvjw5ykyvu2dulzosgvuffq6sad.onion/calendars/CRASH-Space
It is a part of the growing global hackerspace movement. We are a collection of hackers, programmers, builders, makers, and artists. We promote science, technology, engineering, arts, and mathematics (STEAM) by teaching classes, participating in events, providing on-line resources, and by running a shared workshop.