Even 30 years after the fall of the Wall, time travel is not yet possible. But a German startup using virtual reality technology is offering history buffs what it calls the next best thing.
Few issues are as controversial in Germany today as immigration. Why do foreigners come here? Why do they leave? Questions like these can be explored soon at a museum which has no exhibition rooms.
There will still be more books than you could ever read, but visitors to this week's Frankfurt Book Fair will also be invited to don virtual reality goggles, visit an interactive classroom and discover 3D-printed art as publishers plug into new technology.
From creating apps that save lives to developing ones that expand our visual horizons, these tech projects and startups are making waves at Texas' South by Southwest.