How Traveling Back In Time Could Really, Physically Be Possible
Ethan Siegel

“ Even if the wormhole were created before your parents were conceived, there’s no way for you to exist at the other end of the wormhole early enough to go back and find your grandfather prior to that critical moment.”

What about if you take the end of the wormhole… make it travel 1000 light years out… then 1000 light years back? You have not then avoided the grandfather paradox.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.