Originally posted by Ni-Neith:

"Now, a new paper has presented an alternative, far more exotic option: The echo of a black hole collision in another universe, reverberating through a collapsing wormhole that formed as a result of that merger."
https://www.sciencealert.com/unusual-gravitational-wave-may-be-sign-of-wormhole-linking-universes

"In this work, we hypothesize that GW190521 might represent a single, isolated gravitational wave (GW) echo pulse from the wormhole, which is the postmerger remnant of BBHs in another universe and connected to our universe through a throat."
https://arxiv.org/abs/2509.07831

Nasa releases audio of what a black hole 'sounds' like
https://www.youtube.com/live/_tXhBLg3Wng

Originally posted by Uncle Sam:

Originally posted by Ni-Neith:

"Now, a new paper has presented an alternative, far more exotic option: The echo of a black hole collision in another universe, reverberating through a collapsing wormhole that formed as a result of that merger."
https://www.sciencealert.com/unusual-gravitational-wave-may-be-sign-of-wormhole-linking-universes

"In this work, we hypothesize that GW190521 might represent a single, isolated gravitational wave (GW) echo pulse from the wormhole, which is the postmerger remnant of BBHs in another universe and connected to our universe through a throat."
https://arxiv.org/abs/2509.07831

Nasa releases audio of what a black hole 'sounds' like
https://www.youtube.com/live/_tXhBLg3Wng

So i guess G-Man forgot his keys, and is trying to communicate with us to tell Gordon Freeman, about Half-Life 3? :lunar2020thinkingtiger:

Originally posted by Tex:

Originally posted by Uncle Sam:

So i guess G-Man forgot his keys, and is trying to communicate with us to tell Gordon Freeman, about Half-Life 3?

Wake up, Mr. Freeman. Wake up and smell the ashes.