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Gravitational Waves: a new window to observe the Universe

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Elements of a Resonant Bar<br />

Modern Weber Bars<br />

• cryogenically cooled<br />

• with superconducting quantum interference devices<br />

<strong>to</strong> detect <strong>the</strong> motion<br />

Aluminium<br />

cylinder<br />

Resonant<br />

frequency<br />

1660 Hz

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