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"physics"186 articles archived since 1845

Strings, Geometry, and the Ultimate Reality: The Debate

Strings, Geometry, and the Ultimate Reality: The Debate

Can strings be the ultimate constituents of the universe–more fundamental than matter or energy, and even than space or time? If they’re not made of matter or energy, what are they, then?

July 30, 2011 — Davide Castelvecchi

Physics Week in Review: April 25, 2015

Here’s a treat for fans of movies and the brain: an article called Strange Continuity. Throughout evolutionary history, we never saw anything like a montage.

April 25, 2015 — Jennifer Ouellette

The Top 10 Space and Physics Stories of 2014

From humanity’s first, flawed foray to the surface of a comet to the celebrated discovery of (and less celebrated skepticism about) primordial gravitational waves, 2014 has brought some historic successes and failures in space science and physics.

December 22, 2014 — Lee Billings

What "Interstellar" Gets Wrong about Interstellar Travel

Christopher Nolan’s new film, Interstellar, is a near-future tale of astronauts departing a dying Earth to travel to Saturn, then through a wormhole to another galaxy, all in search of somewhere else humanity could call home.

November 12, 2014 — Lee Billings

What Are Black Hole Firewalls? [Video]

Black holes break theories. These sites of extremely large masses in extremely small spaces invoke both of the behemoths of modern physics—general relativity (which rules over large masses) and quantum mechanics (which reigns in small spaces).

March 24, 2015 — Clara Moskowitz
Neutrinos on Ice: Launching the Balloon

Neutrinos on Ice: Launching the Balloon

Editor's Note: Welcome to ANITA, the Antarctic Impulsive Transient Antenna! From October to December, Katie Mulrey is traveling with the ANITA collaboration to Antarctica to build and launch ANITA III, a scientific balloon that uses the entire continent of Antarctica for neutrino and cosmic ray detection.

January 7, 2015 — Katie Mulrey
Physics Week in Review: September 27, 2014

Physics Week in Review: September 27, 2014

The big physics news this week was the announcement of the long-awaited results from the Planck missions — and the news is not good for the BICEP2 collaboration: the Study Confirmed Criticism of BICEP2′s original Big Bang Finding.  They may have had space dust in their eyes.

September 27, 2014 — Jennifer Ouellette
How to See a Black Hole: Introducing Dark Star Diaries

How to See a Black Hole: Introducing Dark Star Diaries

The image you see here is a computer-generated model of the black hole at the center of the Milky Way, which we call Sagittarius A*. More precisely, it is a model of the "shadow" that Sagittarius A*, with its mass of four million suns, should cast.

March 27, 2014 — Seth Fletcher
Physics envy: The last emotion you ever want to feel

Physics envy: The last emotion you ever want to feel

This is a guest post by my friend Pinkesh Patel, a data scientist at Facebook. Pinkesh has a PhD in physics from Caltech during which he worked on LIGO, the gravitational wave detector.

April 3, 2014 — Ashutosh Jogalekar