Assertion: time machine | /r/HasProperty | device
Facets:
Source sentences:
text: A time machine is a device which brings about closed timelike curves—and thus enables time travel—where none would have existed otherwise.
text: A time machine is a device that allows the user or users to go forward or backwards through time and space.
text: The Time Machine is a device created by Cornelius Robinson in Meet the Robinsons.