On this episode of Slate Money host Felix Salmon of Fusion goes to the Future History Festival in Baltimore and meets with Rose Eveleth of Flash Forward and Gideon Lichfield of Quartz to talk time travel. 

Topics discussed on today’s show include:

-Will borders between countries exist in the future?

-How much will climate change affect human migration?

-What is the future of democracy?

Check out other Panoply podcasts at itunes.com/panoply.

Slate Money is brought to you by Texture, the mobile app that gives you full access to more than 150 of the world's most popular magazines, anytime, using your phone or tablet. Read Vogue, People, Esquire, Time—and hundreds more—from back issues to the one currently on the newsstand. Right now, try Texture for free at Texture.com/slatemoney.

And by ZipRecruiter. With ZipRecruiter, you can post your job to more than 100 job sites with a single click and an interface that's easy to use. And right now, you can try it for free! Go to ZipRecruiter.com/slatemoney.

And by Headspace. If you've ever been curious about meditation, then go to Headspace.com/money and try the Take 10 program. It's guided meditation for 10 days—10 minutes a day—absolutely free.

Learn more about your ad choices. Visit megaphone.fm/adchoices