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# quantum gravity

## Latest Articles

### In New Paradox, Black Holes Appear to Evade Heat Death

The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the second law of quantum complexity.

### The Physicist Who Glues Together Universes

Renate Loll has helped pioneer a radically new approach to quantum gravity. She assumes that the fabric of space-time is a blend of all possible fabrics, and she has developed the computational tools needed to calculate the far-reaching implications of that assumption.

### Wormhole Experiment Called Into Question

Last fall, a team of physicists announced that they had teleported a qubit through a holographic wormhole in a quantum computer. Now another group suggests that’s not quite what happened.

### Black Holes Will Eventually Destroy All Quantum States, Researchers Argue

New calculations suggest that the event horizons around black holes will ‘decohere’ quantum possibilities — even those that are far away.

### How Our Reality May Be a Sum of All Possible Realities

Richard Feynman’s path integral is both a powerful prediction machine and a philosophy about how the world is. But physicists are still struggling to figure out how to use it, and what it means.

### The Year in Physics

In a year filled with sweet new observations in astronomy and tantalizing breakthroughs in condensed matter physics, the brand-new space telescope takes the cake.

### Physicists Create a Holographic Wormhole Using a Quantum Computer

The unprecedented experiment explores the possibility that space-time somehow emerges from quantum information.

### Black Hole's Orbiting Ring of Light Could Encrypt Its Inner Secrets

Physicists have discovered that the ring of photons orbiting a black hole exhibits a special kind of symmetry, hinting at a deeper meaning.

### Where Do Space, Time and Gravity Come From?

Einstein’s description of curved space-time doesn’t easily mesh with a universe made up of quantum wavefunctions. Theoretical physicist Sean Carroll discusses the quest for quantum gravity with host Steven Strogatz.