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Physics3596 articles archived since 1845

New Physics Questions the Very Nature of Reality

Physicists speak of the world as being made of particles and force fields, but it is not at all clear what particles and force fields actually are in the quantum realm. The world may instead consist of bundles of properties, such as color and shape

36 minutes ago — Meinard Kuhlmann

Quantum Weirdness Is All in Your Mind

A new version of quantum theory sweeps away the bizarre paradoxes of the microscopic world. The cost? Quantum information exists only in your imagination

1 hour ago — Hans Christian von Baeyer

Quantum Gravity in Flatland

Imagine if space were 2-D rather than 3-D. How would the force of gravity work? The surprising answers are guiding physicists to a unified theory of nature

1 hour ago — Steven Carlip

Fiery Holes in Space and Time

Black holes may be bubbles devoid of space and time—and encased in “firewalls” that confound both general relativity and quantum mechanics

55 minutes ago — Joseph Polchinski

Living in a Quantum World

Quantum mechanics is not just about teeny particles. It applies to things of all sizes: birds, plants, maybe even people

1 hour ago — Vlatko Vedral

The Physical Limits to Genius

The laws of physics may well prevent the human brain from evolving into an ever more powerful thinking machine

1 hour ago — Douglas Fox

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