Morning Overview on MSN

Physicists outline first test to actively steer gravitational waves

Physicists are no longer content to simply listen to ripples in spacetime. A new proposal sketches out how an exquisitely ...
Chicago Sun-Times

Gravitational pull? NU astrophysicist to realize dream helping build space-based device to use gravity to ‘see giant black holes’

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Nature

Laser Self-Mixing Interferometry and Optical Feedback Techniques

Laser self-mixing interferometry (SMI) harnesses the phenomenon of optical feedback by reinjecting a fraction of a laser’s output back into its cavity. This reinjection leads to an interference effect ...
AZOM

Verifire™ Laser Interferometer

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Scientific American

5 New Types of Gravitational-Wave Detectors Could Reshape Astrophysics

In September 2015, a vibration lasting just one-fifth of a second changed the history of physics. It was the first direct detection of gravitational waves — perturbations in the geometry of space-time ...