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Attoclock turns electrons into movie stars
NewScientist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
An electron takes just billionths of a billionth of a second to escape its host molecule - mere attoseconds. Now we have the first snapshots of what is the initial step in almost every chemical reaction. Read the abstract of the forthcoming Physical Review Letters article. More


Graphene bubbles could make better lenses
Physics World    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A tiny bubble of graphene could be used to make an optical lens with an adjustable focal length. That is the claim of physicists in the U.K., who have shown that the curvature of such bubbles can be controlled by applying an external voltage. Devices based on the discovery could find use in adaptive-focus systems that try to mimic how the human eye works. More

The physics of exotic soap bubbles
The Telegraph    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Developments in the study of neutrons - a building block of all matter - may help us understand the Big Bang. Read the associated APS Physics Synopsis. More



US envoy blasts Iran's nuclear 'deceit'
FOX News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
U.S. Energy Secretary Steven Chu accused Iran of nuclear "denial, deceit and evasion," warning that Tehran's decision to move some uranium enrichment facilities to an underground bunker brings it closer to being able to producing the fissile core of a warhead. More

Ringing the Sun
Science News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
An asteroid-sized black hole passing through the sun would ring it like a clapper striking a bell, according to new computer simulations. Read the associated APS Physics Synopsis.
More

Discover our Cryogen-Free Family of Products

Quantum Design manufactures a full line of cryogen-free, automated material characterization systems for the scientific community. These systems provide temperatures from 0.05 to 1000 K and magnet fields up to 16 tesla. Cryogen-free systems include the Physical Property Measurement System (PPMS®), MPMS SQUID VSM, VersaLab, and the new PPMS DynaCool. MORE


The strange physics - and singular sights - inside black holes
Discover Magazine    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Nothing that enters a black hole ever comes out. But one astrophysicist has stepped inside and created striking visualizations of passing the event horizon, carried on a waterfall moving faster than the speed of light.  More

My 2 Suns: Bounty of new exoplanet discoveries includes a world orbiting a binary star
Scientific American    Share    Share on
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Leading planet hunters from around the world announced the discovery of some 75 extrasolar planets, and hints of many more. More

Fiber-Coupled High-Power Optical Amplifier
Sacher Lasertechnik offers fiber coupled optical amplifiers. Available wavelength: 650nm to 1120nm. Free space power of up to 2.5W @ 780nm and 2W @ 850nm are achieved with an M²<1.7. The fiber output version achieves more than 1W within a single mode polarization maintaining optical fiber. For more information contact us at 1-800-352-3639  or www.sacher-laser.com more


'Tug-of-war' prompts chemical reaction
Physics World    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Researchers have shown that mechanical force can bring about unique chemical reactions. Their experiment involved pulling on molecules in solution using ultrasound and suggests that mechanics could open up other new reaction pathways in chemistry. The discovery could also lead to the development of new technologies such as force-activated sensors or reversible adhesives. More

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Neutron star smash-ups may forge gold
NewScientist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Where did all the gold come from? Violent collisions between dense former stars may be why gold, lead, thorium and other heavy elements exist in such abundance. Only hydrogen, helium and lithium were present after the big bang. Ordinary stars then fused elements up to the mass of iron. Anything heavier was created when smaller atoms captured neutrons, some of which then decayed into protons. More
 
 

APS Weekly NewsBrief
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