On: Turning an old car into a powerful generator

[sllabres]

Fascinating to watch the larger (professional) generator doing their work

https://m.youtube.com/watch?v=SzKu9QBGI4s

I always think what happens when they fail to sync in time -- a bad day for a datacenter or worse

[nikau → sllabres]

power grids and similar have gauges that can show phase offset between 2 supplies, in the old days they would have to flick the switch once it was exactly pointing to zero offset, but would assume modern equipment can do it automatically.