By controlling the ratio of input signal to feedback ... soft-clipping amplifier overdrive sound added to our triangle wave. Woot. Now as long as we have a bunch of free inverters sitting around ...

It has been proposed that matching the frequency of this chirp with a tunable optical spring could reduce noise and improve the signal clarity of a gravitational-wave observatory. Although this ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...