grandfather paradox | KidzSearch. Family-friendly safe search for kids.

The grandfather paradox is an unexplainable situation regarding time travel. It is one type of temporal paradox (paradox involving time).

It is a proposed physical paradox of time travel first described by the science fiction writer Nathaniel Schachner in his short story Ancestral Voices, and by René Barjavel in his 1943 book Le Voyageur Imprudent (Future Times Three).

COMPANY	RESOURCES	LINKS	SOCIAL
contact us	education daily journal	home	facebook
about us	make us your default search	kidztalk	twitter
terms/privacy	blocking websites	kidznet	pinterest
advertise	teacher zone	wiki
media	link to us	learning sites
business / api solutions	add a site	image search
affiliate program	kidzsearch apps	kidztube
	play youtube on kidzsearch	games
	voice search	music
	report a problem	cool facts
	settings	news
		search help