Picture a farm where robots work through the night, eliminating disease without a single drop of chemicals. It sounds like science fiction, but it's already happening on strawberry farms across Britain and vineyards throughout California, thanks to a remarkable robot called Thorvald. Thorvald is an autonomous robot that uses UVC light as a preventative treatment for crop diseases. Thorvald's unique horseshoe design allows it to glide autonomously through polytunnels and vineyards at night, em...