Alicia Pinkham

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Compressing air for renewable energy storage

Study identifies two compressed air energy storage methods and sites for the Northwest.<p>Enough Northwest wind energy to power about 85,000 homes each …

Tiny droplets ‘flow’ like quark-gluon plasma - Futurity

VANDERBILT (US) — Physicists may have created the smallest drops of liquid ever made in …

[1305.3957] Quantum Limits of Interferometer Topologies for Gravitational Radiation Detection

General Relativity and Quantum Cosmology<p>Title: Quantum Limits of Interferometer Topologies for Gravitational Radiation Detection<p>Abstract: In order to …

[1305.3947] On the performance of Usain Bolt in the 100 metre sprint

Physics > Popular Physics<p>Title: On the performance of Usain Bolt in the 100 metre sprint<p>Abstract: Many university texts on Mechanics deal with the …

'Top five physics discoveries' chosen by magazine

<b>Five physics discoveries with the potential to transform the world have been selected by a leading science magazine for its 25th birthday issue.</b><p>Quantum computing and science that could enable shoes to charge a mobile phone are among the list compiled by Physics World.<p>A potential new tumour …

Higgs Boson

AP PhysicsChallenge Circuits

Learning Objectives<br>Students will build several circuits using switches and principles of series and parallel circuitry.<br>Activity Type<br>This activity …

Focus: Nobel Prize—Why Particles Have Mass

October 11, 2013• <i>Physics</i> 6, 111<p>The 2013 Nobel Prize in Physics has been awarded to two of the theorists who formulated the Higgs mechanism, …

Elastic to plastic: High-energy lasers warp copper—permanently

Once that threshold is reached, any change that occurs to the material now becomes permanent. This is known as the plastic response.<p>In this study, …

Feynman wasn't joking: Modeling quantum dynamics with ground state wavefunctions

To take advantage of parallel processing in time, McClean notes, the scientists also needed to demonstrate that their construction had a natural …

Physicist Tv

CERN

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Who Discovered the Atom?

The facts about the atom’s discovery are not easy to explain. John Dalton (late 1700s) was the first to perform experiments that determined atomic …

Physics

Physicists create 'molecules' of light

The first "molecules" made from two photons have been created by physicists in the US. Their experiment involves firing pairs of photons through an …

Molten air – a new class of battery

To read this article log in to your Chemistry World account. Or register now, it's free.<p><b>Registered users can view more of our premium content each</b> …

First Hi-Res Images Taken of a Molecule Breaking and Forming Chemical Bonds

Have you ever looked at a textbook diagram of the chemical bonds that make up molecules and thought to yourself, “This is just a dumb drawing — how …

Heat capacity

<b>Heat capacity</b> or <b>thermal capacity</b> is a measurable physical quantity equal to the ratio of the heat added to (or removed from) an object to the …

How was Avogadro's number determined?

<b>Chemist George M. Bodner of Purdue University explains.</b><p>Contrary to the beliefs of generations of chemistry students, Avogadros number--the number of …

Silver trumps gold in nano advance

<b>Scientists have come up with a better way to make silver nanoparticles, which are used in textiles and cosmetics.</b><p>The tiny metallic particles are often used because of their anti-bacterial and anti-fungal properties - in wound dressings for example.<p>By using organic molecules to coat the particles, …

Nanotech

How It Works: The Mechanical Bomb Sniffer

A guide to the machine that could change how we screen for explosive threats<p>Last fall, David Atkinson and a team at the Pacific Northwest National Laboratory announced that they had "sniffed" certain explosives in ambient air for the first time. Most common explosives—RDX, PETN, blasting gels—exist …

How to Calculate Percent Error

Percent error or percentage error expresses as a percentage the difference between an approximate or measured value and an exact or known value. It …

Chemistry Nobel Prize 2013 - Periodic Table of Videos

UK women having babies later than ever before

The age that British women give birth has continued its four-decade upward trend. What is happening to motherhood elsewhere?<p>Get the data<p>The average age that British mothers give birth is now 29.8 years, an all-time high according to the latest data from the Office for National Statistics (ONS). But …

Mapping Europe's war on immigration

The forbidden world<p>It is a strange thing, this paranoid fear of invasion, this determination to protect themselves at all costs from these human …

Migrants from developing countries to send home $414 billion in earnings in 2013

Oct 2, 2013 -- The developing world is expected to receive $414 billion in migrant remittances in 2013, an increase of 6.3 percent over the previous …

Why have young people in Japan stopped having sex?

What happens to a country when its young people stop having sex? Japan is finding out… Abigail Haworth investigates<p>Ai Aoyama is a sex and relationship counsellor who works out of her narrow three-storey home on a Tokyo back street. Her first name means "love" in Japanese, and is a keepsake from her …

Talks open on no fishing zone to protect Antarctic seas

Commission for the Conservation of Antarctic Marine Living Resources negotiations aim to ban fishing across much of Southern Ocean<p>Graphic: proposed areas of protection in Antarctica<p>Fishing and oil drilling could be banned across more than two million square kilometres of the frigid seas around …

Rwanda promotes vasectomies to cut birth rate

As one of Africa's most densely populated countries, Rwanda is running out of land.<p>It is urgently trying to slow the national birth rate, and in a radical move, it is encouraging men to be sterilised by having vasectomies.<p>Al Jazeera's Peter Greste reports from Gakenke in the east of the country.

Head teacher abused in Croydon school gates smoking row

<b>A head teacher who asked parents to stop smoking outside the school gates has been targeted for abuse.</b><p>Susan Papas, 53, who was brought in to turn around Selsdon Primary in Croydon in south London, accused some parents of "negativity and bad manners".<p>It follows a petition set up calling for her …

Sociology