Power grid protection device for AC electrical grounding and for blocking and reducing induced DC currents in the power grid from electromagnetic pulse (EMP) and solar storms, and for detection of and protection from EMP and solar storms, composed primarily of a switched grounding connection and a capacitor positioned in parallel to the switched grounding connection, and an electronic control circuit, with embedded software for operating the device; Power grid protection device for AC electri...

Computer application software for authentication, issuance, validation and revocation of digital certificates