You've picked some good ones. I haven't read The End of Eternity for probably 25 years, but it's still fairly fresh in my memory. I'd put that very high on my list of time travel books/movies, if not number one. I think I'll hunt down a copy and read it again.
A Sound of Thunder is very good as well. I just re-read that one a few months ago while revisiting a couple of Bradbury short story collections.
The movie that comes to mind is rather predictable and campy, but I liked it. The Final Countdown. The U.S.S Nimitz gets sucked into a time vortex, arriving off Hawaii on the Eve of the Pearl Harbor attack.
The Other Tesla David Blaza5 comments I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...