Assertion: rolling blackout | /r/CapableOf | save power
Facets:
value: in crisis times
type: TEMPORAL
value: by blacking out different areas
type: MANNER
Source sentences:
text: The researchers say a grid with better barriers and protections could replace the need for rolling blackouts, which are a last-ditch way to save power in crisis times by selectively blacking out different areas at different times.