time machines

A time machine is where you can go threw to and go to the past. Whatever you do in the past it will effect what will happen in the future. In the story they used the time machine to get to a dinosaur and back. They also used it to drop of Eckels in the future.

https://en.wikipedia.org/wiki/DeLorean_time_machine 

 

hunting

Hunting is where they go out into the forest and they look to hunt things. Things they hunt for are animals for  stores and they will go and kill pigs cows sheep and deer for dinner. In Sound of Thunder they went into the past to go hunting. The thing they hunted was a dinosaur.

https://www.outdoorlife.com/story/hunting/natural-ground-blinds-that-keep-you-hidden-from-deer/