Physics

Bringing measuring accuracy to radical treatment

An international team of scientists has determined for the first time the absolute density of active substances called radicals found in a state of matter known as plasma, in a new study.

First noiseless single photon amplifier

Research physicists have demonstrated the first device capable of amplifying the information in a single particle of light without adding noise. The next step will be to build additional quantum teleportation into the experiment, which will make the noiseless amplifier more directly useful for long-distance communication.<img src="http://feeds.feedburner.com/~r/sciencedaily/matter_energy/physics/~4/2gc... height="1" width="1"/>

CERN collider to become the world's fastest stopwatch?

Heavy ion collisions at CERN should be able to produce the shortest light pulses ever created, computer simulations demonstrate. The pulses are so short that they cannot even be measured by today's technological equipment.

Surveying Earth's interior with atomic clocks

Have you ever thought to use a clock to identify mineral deposits or concealed water resources within the Earth? Some scientists are convinced that ultraprecise portable atomic clocks will make this a reality in the next decade. The scientists argue that these atomic clocks have already reached the necessary degree of precision to be useful for geophysical surveying. They say that such clocks will provide the most direct measurement of the geoid – the Earth’s true physical form.

CERN collider to become the world's fastest stopwatch?

Heavy ion collisions at CERN should be able to produce the shortest light pulses ever created. This was demonstrated by computer simulations at the Vienna University of Technology. The pulses are so short that they cannot even be measured by today's technological equipment. Now, a method has been proposed to create the world's most precise stopwatch for the world's shortest light pulses, using a detector which is going to be installed at CERN in 2018.

Recipe for 'supercharging' atoms with X-ray laser

Researchers using a free-electron X-ray laser have found a way to strip most of the electrons from xenon atoms, creating a "supercharged," strongly positive state at energies previously thought too low.<img src="http://feeds.feedburner.com/~r/sciencedaily/matter_energy/physics/~4/CWB... height="1" width="1"/>

Touch-sensitive plastic skin heals itself

Chemists and engineers have created the first synthetic material that is both sensitive to touch and capable of healing itself quickly and repeatedly at room temperature. The advance could lead to smarter prosthetics or more resilient personal electronics that repair themselves.<img src="http://feeds.feedburner.com/~r/sciencedaily/matter_energy/physics/~4/YaI... height="1" width="1"/>

Making a better invisibility cloak

The first functional "cloaking" device reported by Duke University electrical engineers in 2006 worked like a charm, but it wasn't perfect. Now a member of that laboratory has developed a new design that ties up one of the major loose ends from the original device.

Dara O Briain School of Hard Sums | Cosmic Variance

<p><a rel="nofollow" target="_blank" href="http://en.wikipedia.org/wiki/Dara_%C3%93_Briain:_School_of_Hard_Sums">Th... is an actual TV show in the UK (based on a <a rel="nofollow" target="_blank" href="http://www.imdb.com/title/tt1024699/">Japanese program</a>), broadcast on a channel called <a rel="nofollow" target="

Investigating the Big Bang particle

Scientists at the University of Huddersfield are collaborating with experts at some of the world's leading research institutes in an attempt to unravel the mysteries of a particle that played a role in the creation of the universe.

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