I think various discussions on LessWrong are probably your best bet. A lot of LessWrong discussion is distributed over a large number of posts and platforms, so things end up less centralized than for SSC stuff, which has benefits and drawbacks.
For an experience similar to an SSC Open Thread, I think the LW Open Threads are your best bet, though they are definitely a lot less active than the SSC ones.
I think various discussions on LessWrong are probably your best bet. A lot of LessWrong discussion is distributed over a large number of posts and platforms, so things end up less centralized than for SSC stuff, which has benefits and drawbacks.
For an experience similar to an SSC Open Thread, I think the LW Open Threads are your best bet, though they are definitely a lot less active than the SSC ones.