What Will magnetic conveyor rollers Be Like in 100 Years?

https://www.openlearning.com/u/kierstead-qn1j7p/blog/ALittleSomethingYouShouldKnowRegardingTheMagneitcRollerBoforeBuyIt/

Magnetic drum pulley are mounted at the head of the conveyor belt where the discharge occurs and get rid of metal pollutants from the item on the conveyor belt. It is integrated into the system for automated constant