Emergent gravity is a bold idea. It claims that the force of gravity is a mere illusion, more akin to friction or heat—a property that emerges from some deeper physical interaction. This emergent ...

In the April 1981 issue of Popular Science, we explored the many initiatives and techniques used in the exciting hunt for sensing gravity waves, then out of reach. By Bill Gourgey Published May 18, ...

If you want to come back from a trip through a wormhole, you'll need some weird gravity. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.