No, it's not Mad Max, it's South Africa, and they were in quite an inventive state of mind when they dreamed this up.

Song and his team first tested the flame nozzle to make sure they could accurately target the weeds’ centre. Then they deployed the robot in a cotton field planted with weeds native to Texas ...

 Moreoever, in order to remain compliant with more stringent state laws, such as those in California, the Thermonator can be fitted with a smaller nozzle to reduce its flame range. While ...