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Scientists have found that the precision of nanosensors depends not on the loudness of the response, but on the sharpness of the phase shift of the light wave.
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The precision of quantum sensors hides not where we expected: not at the resonance peak, but where the wave's phase changes sharply. This rule will simplify creating sensors that can detect single molecules.
🎯 A phase-shift-based sensor can detect a single bacterium landing on it—it's that sensitive to the tiniest changes.