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Latest Physics Stories

norovirus
2015-02-03 15:36:31

The pathogen responsible for most cases of gastroenteritis worldwide could be killed off by cold atmospheric pressure plasma (CAPP), researchers from the University of Veterinary Medicine in Hannover report in a recent edition of the online, open-access journal mBio.

chemical bond
2015-02-03 13:47:20

Those of us who still remember high school chemistry class know that there are three types of chemical bond: ionic, covalent and metallic. But now, an international team of chemists has confirmed evidence of a new, albeit fleeting, type of chemical bond: vibrational.

2015-02-03 12:23:38

WASHINGTON, Feb. 3, 2015 /PRNewswire-USNewswire/ -- Public Utilities Fortnightly, in conjunction with Llewellyn King, announced today it is holding a conference in Washington, D.C.

2015-02-03 12:21:39

BETHESDA, Md., Feb. 3, 2015 /PRNewswire-USNewswire/ -- You may not see them, or know much about them, but engine belts are always working to keep your vehicle moving.

2015-02-02 23:08:33

Current academic research from psychology, cognitive sciences, and economics clearly indicate pressure causes most people to perform below their capability.

2015-02-02 23:07:32

AdValue Photonics pushes the performance of fiber laser technology another step further with the introduction of two new high pulse energy fiber lasers. Tucson,

2015-02-02 23:01:39

Open Access Technology International, Inc.

592260main_blackhole-outflow
2015-02-02 11:46:50

A new theory states that black holes can't exist where space and time exist.


Latest Physics Reference Libraries

Nuclear Fallout
2013-04-01 10:26:30

Nuclear fallout, or just simply fallout, known also as Black Rain, is the residual radioactive material that is propelled into the upper atmosphere after a nuclear black or a nuclear reaction that is conducted in an unshielded facility. It is so called because it "fall out" of the sky after the explosion and the shock wave have passed. It most commonly refers to the radioactive dust and ash that is created when a nuclear weapon explodes, but such dust can also come from a damaged nuclear...

Cosmology
2014-01-12 00:00:00

Image Caption: The Hubble Extreme Deep Field (XDF) was completed in September 2012 and shows the farthest galaxies ever photographed by humans. Each speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is estimated to contain more than 200 billion galaxies. Credit: NASA/Wikipedia What is Cosmology? I once commented to an acquaintance that I was fascinated by the field of Cosmology, and mused that if I had more time, I...

Astrophysics
2014-01-12 00:00:00

Image Caption: NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 56,000 light-years in diameter and approximately 60 million light-years distant. Credit: NASA/ESA/Wikipedia What is Astrophysics? For much of the modern age the term Astrophysics has been used synonymously with Astronomy. This interchange is so common that many textbooks even offer the two as having the same meaning. However, from a strictly historical perspective there are differences...

Basic Ocean Terms
2013-02-05 12:52:11

Image Credit: Meteorologist Joshua Kelly When meteorologists are forecasting for ocean-going vessels, there are a few terms that we need to understand. The first term is wavelength. Wavelength is defined as the distance between two crests or between two troughs as seen in the image above. The example above highlights the crest to crest concept of wavelength. The next term that we use is wave height, and to determine this, we first must look at the wave when it passes our station. When...

How Solar Cycles Impact Our Weather Here On Earth
2013-01-13 09:10:34

Solar cycles: what are they and why should we care about them? Solar cycles are made up of what are known as solar minimums (min) and solar maximums (max). We refer to a solar min at the time when the sun is not active with many sunspots, while a solar max is just the opposite when we see a large increase in sunspot activity. So how long do solar cycles last? Typically they run on what is known as an 11 year cycle from the max to the min and then start over again anew. As of 2012 we...

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Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.