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Simple Geometry, Deep Math

Introduction It is a remarkable fact that consideration of very elementary concepts in geometry often leads quickly into deep and unexpected mathematical terrain.  In high school and even college, such complexities are usually treated cursorily or omitted altogether, in order to avoid bogging down coverage of the essentials.  In this article, we delve, at least […]

Physics Week in Review: January 21, 2017

We're deluged with much-needed rain here in Los Angeles, but Jen-Luc Piquant nonetheless managed to collect her usual collection of nifty physics stuff on the Web this week. First, as a palate cleanser, check out this transfixing audiovisual dive into...

A day to celebrate

Today—January 20, 2017—I have something cheerful, something that I’m celebrating.  It’s Lily’s fourth birthday. Happy birthday Lily! As part of her birthday festivities, and despite her packed schedule, Lily has graciously agreed to field a few questions from readers of this blog.  You can ask about her parents, favorite toys, recent trip to Disney World, etc. […]

Fake Physics

2016 so far wins my lifetime award for most depressing and disturbing year ever (on the front of the larger world one reads about in the newspaper and elsewhere, personally things are fine, thanks). Perhaps the most disturbing thing has … Continue reading ?

Probe for nanofibers has atom-scale sensitivity

Optical fibers are the backbone of modern communications, shuttling information from A to B through thin glass filaments as pulses of light. They are used extensively in telecommunications, allowing information to travel at near the speed of light virtually without loss.

Violations of energy conservation in the early universe may explain dark energy

(—Physicists have proposed that violations of energy conservation in the early universe, as predicted by certain modified theories of quantum mechanics and quantum gravity, may explain the cosmological constant problem, which is sometimes referred to as "the worst theoretical prediction in the history of physics."

New invisibility cloak to conceal objects in diffusive atmospheres

Researchers at the Public University of Navarre (NUP/UPNA) and the Universitat Politècnica de València (UPV) have come up with a new invisibility cloak capable of concealing objects in diffusive atmospheres, not just in direct light...

Highest core density realized with 12-core single-mode optical fiber

Enterprise networks and data centers continue to increase their demands for connectivity, with ever larger quantities of data expected to be transmitted in the foreseeable future. Over the past 20 years, fiber-optic technology has experienced tremendous success in bringing us a fast, globally-connected internet. Show More Summary

Neutrons and a 'bit of gold' uncover new type of quantum phase transition

When matter changes from solids to liquids to vapors, the changes are called phase transitions. Among the most interesting types are more exotic changes—quantum phase transitions—where the strange properties of quantum mechanics can bring about extraordinary changes in curious ways.

Vacuum Fluctuations in Experimental Practice

This Insight Article is a sequel of the Insight Articles ”The Physics of Virtual Particles”, “Misconceptions about Virtual Particles“, and ”The Vacuum Fluctuation Myth”, which make precise what a virtual particle is, what being real means, document some of the liberties taken in physics textbooks in the use of this concept, mention the most […]

Matter-antimatter mystery remains unsolved

Measuring with high precision, physicists at CERN found a property of antiprotons perfectly mirrored that of protons. There is little wiggle room for disparities between matter and antimatter protons, according to a new study published...Show More Summary

Synopsis: Detecting a Molecular Duet

Using a scanning tunneling microscope, researchers detect coupled vibrations between two molecules. [Physics] Published Thu Jan 19, 2017

Police horses contribute to research in physics

Recently, fifteen police horses in Gothenburg have contributed to science. They have supported the development of a new method to detect damages in the hooves by using thermoelectric sensors. In the future, hopefully, this technique can be an attractive alternative to other diagnostic tools, for example X-rays.

Web life: Nanoscale Views

“A blog about condensed matter and nanoscale physics. Why should high energy and astro folks have all the fun?” says blogger Douglas Natelson

Of old habits and new ideas

Controversy and opposition in the face of world-changing innovation has a long history and being an innovator is never plain sailing, says Wasiu O Popoola

Physicists observe spontaneous symmetry breaking in an optical microcavity

Symmetry is the essential basis of nature, which gives rise to conservation laws. In comparison, the breaking of the symmetry is also indispensable for many phase transitions and nonreciprocal processes. Among various symmetry breaking phenomena, spontaneous symmetry breaking lies at the heart of many fascinating and fundamental properties of nature.

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