The largest naturally-occurring lake of hyperacid brine in the world is located in the crater of Kawah Ijen volcano in East Java, Indonesia. The hyperacid Banyu Pahit River flows down the side of Kawah Ijen and is a major source…

Designers of software components can use finite-state properties to denote behavioral interface specifications which enforce client-side programming rules that state how the components ought to be used. This allows users of these components to check their client code for compliance…