In the quantum well, bound states determine the allowed energy levels of electrons.

Many welfare states face difficult choices when reforming their pension systems.

The member states agreed to adopt a new environmental policy at the summit.

Philosophers often analyze different states of affairs to clarify the meaning of propositions.

Many island states rely on tourism and fishing to sustain their economies amid climate uncertainty.

Politicians often overlook the needs of flyover states during national campaigns.

The chemist studied the excited states of the molecule to understand its fluorescence.

Researchers compared the entanglement patterns across several quantum states to identify robust correlations.

International aid organizations often struggle to operate effectively in failed states.

Many historians warn that economic instability often paves the way for police states.