Today’s green energy movement has stimulated the growth of new ultra-high-efficient HVAC equipment. This article describes some of these energy efficiency trends, the equipment involved and the maintenance impact. We will also clarify the differences between a true-rms meter and the standard averaging meter while explaining a couple of common electrical measurements on energy efficient equipment.
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...