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Solution: ‘Hanging Far Out Over the Edge’

December 2, 2016

A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.

Quantum Gravity’s Time Problem

December 1, 2016

The effort to unify quantum mechanics and general relativity means reconciling totally different notions of time.

In the Deep, Clues to How Life Makes Light

December 1, 2016

Bioluminescent organisms have evolved dozens of times over the course of life’s history. Recent studies are narrowing in on the complicated biochemistry needed to illuminate the dark.

The Case Against Dark Matter

November 29, 2016

A proposed theory of gravity does away with dark matter, even as new astrophysical findings challenge the need for galaxies full of the invisible mystery particles.

Q&A

How to Force Our Machines to Play Fair

November 23, 2016

The computer scientist Cynthia Dwork takes abstract concepts like privacy and fairness and adapts them into machine code for the algorithmic age.

Scientists Seek to Update Evolution

November 22, 2016

Recent discoveries have led some researchers to argue that the modern evolutionary synthesis needs to be amended.

The Math That’s Too Difficult for Physics

November 18, 2016

How do physicists reconstruct what really happened in a particle collision? Through calculations that are so challenging that, in some cases, they simply can’t be done. Yet.

How to Hang Far Out Over the Edge

November 17, 2016

What formula describes the farthest you can stack flat blocks over the edge of a table to form a seemingly gravity-defying half-bridge to nowhere?

Strange Numbers Found in Particle Collisions

November 15, 2016

An unexpected connection has emerged between the results of physics experiments and an important, seemingly unrelated set of numbers in pure mathematics.

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