A novel approach for testing of scratch resistance of ceramic tiles and understanding of the mechanisms of material failure and removal is presented. The approach is based on the scratch test method that is routinely used in other industrial domains. The progressive load scratch test method with diamond indenter proved to be a far superior method to the EN 101 standard.
Radio wave weapon knocks out drone swarms
Probably. A radio-controlled drone cannot be completely shielded to RF, else you´d lose the ability to control it. The fibre optical cable removes...