Laser beams have gravity and can warp the fabric of the universe

Even though laser beams have no mass, they do have a tiny amount of gravity, which allows them to drag and warp space and slow down time as they propagate

One of the world's largest lasers could be used to detect alien warp drives

This Black Hole Could Help Us Build a Real, Working Warp Drive

Let's talk about gravitational waves - Issuu

Einstein's general relativity revealed a violent universe - Century of Science

EarthSky New solar sail may travel to Alpha Centauri

Introduction to general relativity - Wikipedia

Space laser to detect ripples in fabric of the universe - CNET

Warp drive's best hope dies, as antimatter falls down - Big Think

If Gravity is a result of space time warping, then why is space time warping downwards? - Quora