‘Ten years ago this was science fiction’: the rise of weedkilling robots

The makers of robot weeders say the machines can reduce pesticide use and be part of a more sustainable food system

In the corner of an Ohio field, a laser-armed robot inches through a sea of onions, zapping weeds as it goes.

This field doesn't belong to a dystopian future but to Shay Myers, a third-generation farmer whose TikTok posts about farming life often go viral.