Exoplanets and Fermi paradox: can we ever get an answer from other civilizations?

The antigravity can be the "dark energy".  That means the gravity wave's wavelength can change when it hits some other gravity wave or quantum field. If that wavelength changes the gravitational effect of that (gravity) wavelength ends.  Is the wavelength transformation in gravity waves the reason for the effect called dark energy? Maybe gravity waves can transform into X-or gamma rays and that is the thing called dark energy or "antigravity".  The term "antigravity" can mean a situation where a gravity wave's wavelength changes. If the gravitational- or gravity wave's wavelength changes.  That means that. When a gravity wave's wavelength changes gravity wave is not a gravity wave anymore.  So if a gravity wave can transform or stretch to the gamma- or X-ray that explains dark energy. The simplest way to think about that thing is that dark energy can be a gravitational wave that impacts something. And that turns the gravitational waves into...

Stargate.  The idea of Stargate is that there should be a ring-shaped light wave on the frame. The system puts that light wave ring rotate very fast. Then there is a similar frame at the receiving side. The energy level of the receiving light ring should be lower.  The energy level must be higher on the transmitting side. The system puts those light rings in superposition and entanglement. And that should make the quantum tornado between those two frames.  Information travels between those superpositioned and entangled photon rings. The thing. What this system requires. Is energy. The system needs lots of energy to transport objects between planets and stars. So theoretically that system requires a black hole to focus enough energy into the frame that it can create a quantum tornado or wormhole.  That is tight enough. That means the interplanetary system that transports people is far away in the future. But that system can make long-distance quantum teleportation tru...