What are “uncertainty” or “safety” factors?

As with most issues in life, health and safety, decisions must be made absent absolute certainty. “Uncertainty” or “safety” factors account for a lack of scientific data or to address possible variability in population sensitivity when deriving...

What are perchlorate’s other uses?

Perchlorate is widely used by the military, NASA and the commercial space industry as an ingredient in solid rocket propellant (not “rocket fuel”) and explosives. The large amounts of oxygen in perchlorate make it an optimal oxidizer to help solid rocket...