A design algorithm is derived, for a calculating minimum allowable electrical clearances in alternating and direct current “permissible” equipments, which are authorized to operate in gassy mines and tunnels under Part 18 of Title 30, Code of Federal Regulations [1]. The calculated clearances apply to operations at altitudes ranging up to 12 000 ft (3658 m) above sea level. The minimum allowabl...

Abstract It is one thing to hold that merely statistical evidence sometimes insufficient for rational belief, as in typical lottery and profiling cases. another always belief. Indeed, there are cases where plainly does justify This project develops a dispositional account of the normativity evidence, dispositions ground justifying connected goals (= proper function) objects. There strong intuit...

Growing powers to manipulate human bodies and minds, not merely to heal disease but to satisfy desires, control deviant behavior, and to change human nature, make urgent questions of whether and how to regulate their use, not merely to assure safety and efficacy but also to safeguard our humanity. Oversight in democratic societies rightly belongs to the polity, not merely to self-appointed expe...