A human engine has a torque curve similar to that of a steam engine, more or less, which is to say that it is flat until a certain critical rpm, at which point it begins to drop off, because the energy used in accelerating and decelerating massy components (legs) begins to take up all the energy produced.
Asterisk (PBX) Asterisk is a software implementation of a telephone private branch exchange (PBX); it allows attached telephones to make calls to one another, and to connect to other telephone services, such as the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services.
The definition of an asterisk is a symbol that is a six pointed star that is most often used to denote an absence or omission of information, or to refer a reader to a notation. An example of when an asterisk might be used is to take the place of an omitted letter in a curse word.