10 sci-fi concepts that are possible (in theory)
Science fiction novels and movies are packed with far-out ideas, most often as the springboard for an action-packed adventure rather than a serious attempt to predict future trends in science or technology. Some of the most common tropes, such as accelerating a spacecraft to fantastic speeds in a matter of seconds without...
![](https://kbin.cafe/media/cache/resolve/entry_thumb/8d/d5/8dd5ef9c0a71f0e0df8c8f77b27e3b2dd9329be315ee4a431cd012f7eee76e0e.jpg)