New Technique Could Make Atomic Clocks More Accurate
An international group of physicists led by Prof Vladan Vuletic of MIT has developed a novel technique that can successfully entangle 3,000 atoms using one photon. NIST-F1 Cesium fountain atomic clock, serving as the U.S. time and frequency standard....
www.sci-news.com
March 31, 2015
5 of the Most Precise Clocks Ever Made
That's where the atomic clock comes in. The first accurate version was built in 1955. Atomic clocks keep time by measuring the oscillations of atoms as they change energy states. Every element has a characteristic frequency or set of frequencies, and ...
www.livescience.com
March 20, 2015
Kerry on Iran: 'The Deal is What We Said it Was'
You have to build trust, and that takes place over a long period of time," he said. "This is an Most Americans don't trust that Iran will abide by an eventual agreement to curtail its nuclear program and not develop an atomic weapon, according to ...
www.nbcnews.com
April 12, 2015
Thousands of atoms entangled with a single photon
Today's best atomic clocks are based on the natural oscillations within a cloud of trapped atoms. As the atoms oscillate, they act as a pendulum, keeping steady time. A laser beam within the clock, directed through the cloud of atoms, can detect the ...
www.rdmag.com
March 26, 2015
3000 atoms entangled with a single photon
Today's best atomic clocks are based on the natural oscillations within a cloud of trapped atoms. As the atoms oscillate, they act as a pendulum, keeping steady time. A laser beam within the clock, directed through the cloud of atoms, can detect the ...
There will be sex in space: Mars, science and “the dictates of biology and ...
The best metric for proximate danger is the Bulletin of the Atomic Scientists. Starting in As the threat of nuclear holocaust receded, the proximity of the clock to midnight started to take into account the possibility that through climate change ...
www.salon.com
April 12, 2015
Doomsayer: Climate change makes drought routine
Climate scientist Richard Somerville unveils the new Doomsday Clock in Washington, Thursday, Jan. 22, 2015. The clock advanced two minutes, a measure of how near the Earth is to destruction (AP Photo/Cliff Owen) The Associated Press ...
www.utsandiego.com
April 10, 2015
Rubidium miniature atomic clock cuts need for heat sinks
Microsemi has introduced what it says is an enhanced Quantum rubidium miniature atomic clock (MAC) family that trumps wireless ... claims to deliver superior holdover accuracy over extended time periods, exceeding all wireless LTE base station and mission ...
www.eetasia.com
April 12, 2015
Microsemi unveils compact rubidium miniature atomic clock
Microsemi has released what it describes as an improved Quantum rubidium miniature atomic clock (MAC) family that surpasses wireless ... to deliver superior holdover accuracy over extended time periods, exceeding all wireless LTE base station and mission ...
www.eetindia.co.in
April 12, 2015
Microsemi unveils enhanced quantum rubidium miniature atomic clock
The Quantum Rubidium MAC family provides significantly improved levels of holdover accuracy over extended time periods, and exceeds current wireless LTE base station and mission-critical defence infrastructure requirements. According to Microsemi the MAC-SA.
www.newelectronics.co.uk
April 10, 2015
Peek Through Time: Killer Palm Sunday tornadoes strike Lenawee, Hillsdale, Branch counties in 1965
But, as it's known to do this time of year, the weather soon took a big turn ... Some said it looked like an atomic bomb had been dropped there. Car lights could be seen burning on vehicles overturned by the storm and deposited in yards and in the middle ...
www.mlive.com
April 8, 2015
Bike rides, takeout and sleepless nights — behind the scenes of the nuke deal
US Energy Secretary Ernest Moniz and Iranian atomic energy chief Ali Akbar Salehi, who studied at MIT at the same time, would meet one-on-one and then report back on what they discussed. And when the secretary of state needed calculations or tweaks ...
www.timesofisrael.com
April 4, 2015
Iran president views nuclear deal as start of new relationship with world
The tentative agreement, struck on Thursday after eight days of talks between Iran and six world powers in Lausanne, Switzerland, clears the way for a settlement to allay Western fears that Iran could build an atomic ... at any time before then.
www.thestar.com.my
April 4, 2015
7 fascinating facts about EU's Galileo satellite project
4. Each satellite contains two atomic clocks Satellite navigation relies on highly accurate time data, and the ESA has included two clocks in each satellite that are accurate to 0.45 nanoseconds over 12 hours or 1.8 nanoseconds over 12 hours. However ...
www.v3.co.uk
April 3, 2015
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