Time Hack
Mackenbach, Carel
In 2115, an authoritarian regime discovers a time-travel device invented in 2010, before the technology existed to make it work. "Thinkwaves" are sent into another human body across space and time, killing that body's owner and installing the designated traveler-as long as three logical protocols are observed. The most important of these concerns the first time-travel paradox: the voyage cannot alter either the present or the past. The reconna...