The Net (substance) The Net (substance) The Net, in alchemy, is an alloy of copper and iron, whose crystal structure induces a network pattern on its surface. It was described in the 17th century by Sir Isaac Newton. Newton produced the substance by following what he regarded as a recipe, encoded in classical mythology, for part of the process of achieving the philosopher's stone. The relevant myth involved the god Vulcan finding his wife Venus (alchemical symbol for copper) in bed with the god Mars (alchemical symbol for iron) Newton's interpretation rested on typical alchemical associations, construing Vulcan as a stand-in for fire,
Agent study Agent study An agent study is a part of a clinical trial that tests the chemotherapeutic properties of a specific substance. More specifically, an agent study is used to detect whether or not a substance can prevent or inhibit cancer. In a clinical trial, researchers perform multiple studies in order to test the potential of new cancer drugs. An agent study helps determine the potential of a substance to inhibit cancer, before more studies are done in order to further knowledge of this potential. Agent studies are used to determine whether a substance exhibits cytotoxicity or cytostasis. A cytotoxic agent