YouTuber [rctestflight] has been experimenting with using a 40W blue diode laser module to cut the weeds, (Video, embedded below) and it sort of works, albeit in a rather dangerous fashion.

Discover the benefits of safe and enclosed laser engraving machines in this practical guide. Learn how these systems ensure user safety, precision, and efficiency for beginners and professionals alike ...

Expensive laser cutters have a 3D engraving mode that varies ... He’s got one of those extra cheap blue-box 40W CO2 lasers you can nab off eBay for around $600-$800, but he’s replaced the ...