The universe may have a complex geometry — like a doughnut

The cosmos may have something in common with a doughnut.

In addition to their fried, sugary goodness, doughnuts are known for their shape, or in mathematical terms, their topology. In a universe with an analogous, complex topology, you could travel across the cosmos and end up back where you started. Such a cosmos hasn’t yet been ruled out, physicists report in the April 26 Physical Review Letters

On a shape with boring, or trivial topology, any closed path you draw can be shrunk down to a point. For example, consider traveling around Earth. If you were to go all the way around the equator, that’s a closed loop, but you could

→ Continue reading at Science News

More from author

Related posts


Latest posts

Tesla Is Reportedly Rehiring Some Laid Off Supercharger Employees, Executives

Weeks after the bombshell news that Elon Musk fired the entire Tesla supercharger overnight, some executives and team members are reportedly being asked to...

The Gen Z Takeover — How to Empower the Next Generation of Leaders

Opinions expressed by Entrepreneur contributors are their own. The kids are here to stay. And they don't want to play by our...

The Brands We Wear Are Our Identity. Here’s Why We Need to Create Brands That Align Our Purpose, Personality and Practice

Opinions expressed by Entrepreneur contributors are their own. Brands today have a Herculean influence on the culture at large. With the steady...