Summary:

- The article discusses the concept of laser-powered sails, which are a new and innovative approach to space travel. These sails are powered by lasers, which provide the necessary thrust to propel spacecraft without the need for traditional rocket engines.

- The article explains that laser-powered sails could revolutionize space exploration by offering a more efficient and cost-effective method of transportation. This technology could enable faster and longer-range missions, as well as the ability to explore more distant regions of the solar system.

- The article also highlights the potential of this technology to be used for interstellar travel, as the laser-powered sails could potentially reach a significant fraction of the speed of light, making it possible to travel to nearby stars within a human lifetime.