Powerful lasers: the way to the stars, asteroid mining and planetary defence

In the 1970s, the United States wanted to use a powerful, atomic bomb-initiated X-ray laser to defend against ballistic missiles. The Excalibur project was never completed, and even today, thoughts of large, powerful laser devices seem like something out of a science fiction novel. Right? Recently, the HiLASE laser centre has become a meeting place for scientists from all over the world to discuss the technological possibilities of using powerful laser sources for future applications. Read the full article on astro.cz.

The 'craters' left by different types of laser bombardment of meteorites, taken with an electron microscope, and measurements of their relief with a Keyence microscope. By Martin Ferus. Taken from astro.cz.