Quality Control of Sodium Hypochlorite (NaOCl) Solutions by Density Measurement
A density-based concentration check of sodium hypochlorite - disinfectant for drinking water and swimming pools and used for sanitation of rooms and objects - avoids ineffective disinfection and litigations with suppliers.
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...