In this category I’ve been telling you a lot of ways to time travel, but in here, I’ll be telling you about a reason not to. The...

These are the steps to time travel: • Take something that has a mass 10 times that of the sun • Roll it into an incredibly dense and...

Nothing is completely flat. Not even time. There are tiny wrinkles in time. Down to the smallest of scales, even smaller than atoms,...

Negative energy density matter is matter that could be used to make a time machine. It has some pretty wacky properties, such as if you...

Neutron stars are created when giant stars die in supernovas and their cores collapse. The protons and electrons essentially melt into...