95 Results

What Quantum Gravity Needs Is More Experiments

Math won’t solve quantum gravity. Experimentation will.

The Multiple Multiverses May Be One and the Same

If multiverses seem weird, it’s because we need to revamp our notions of time and space.

The Not-So-Fine Tuning of the Universe

There’s more than one way to build a universe suitable for life.

Even Physicists Find the Multiverse Faintly Disturbing

It’s not the immensity or inscrutability, but that it reduces physical law to happenstance.

Spark of Science: Melissa Franklin

Harvard’s first tenured woman physicist tells us about her heroes and her work.

When Einstein Tilted at Windmills

The young physicist’s quest to prove the theories of Ernst Mach.

The Astrophysicists Who Faked It

The inside story of the gravitational wave signal injection.

A Nonlinear History of Time Travel

Births, deaths, and other time travel paradoxes.

How Much More Can We Learn About the Universe?

These are the few limits on our ability to know.