Gravitational Wave Background | Scientists use a living laboratories called pulsar timing arrays
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Read the Perspective: https://www.science.org/doi/10.1126/science.abq1187In order to detect the background hum of gravitational waves in the cosmos, scientis...

So, apparently Pulsar Timing Arrays work and something important was discovered that’ll be announced in few days.

This might sound like a bunch of space-nothing but just like radio waves, discovering gravitation waves could open up a lot of new posibilities in space observation. Though, in practice producing gravitation waves takes absurd amounts of energy so we’ll not be applying this on earth any time soon.