What If the Universe Is a Loop?

If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started? Assuming you don’t accidentally collide...

How to Survive a Global Pandemic

Imagine waking up to empty grocery store shelves, crowded pharmacies and emergency alerts flashing across your phone. Public transport has stopped running, people are...

What If We Built Cities on the Moon?

If you could, would you live on the Moon? Not as one of the courageous early settlers, but as a citizen of a fully-functioning Moon city. What would they be built out of...