The phase determines the oscillation frequency, and gain is a criterion for oscillation to exist. The four poles in the loop equation each contribute –45° phase shift accumulating the required total ...

In August 2025, Taiwan's nationwide referendum on extending operations at Maanshan Nuclear Power Plant failed despite receiving 74.2 per cent approval from voters, as low turnout meant affirmative ...

A network of optical cavities could be used to detect gravitational waves (GWs) in an unexplored range of frequencies, according to researchers in the UK. Using technology already within reach, the ...

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