News tagged with light waves

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Bottling up sound waves

There's a new wave of sound on the horizon carrying with it a broad scope of tantalizing potential applications, including advanced ultrasonic imaging and therapy, acoustic cloaking, and levitation and particle ...

dateAug 04, 2014 in General Physics
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Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can ...

dateJul 15, 2014 in Optics & Photonics
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A new twist in the properties of light

Light has some well-established dynamical properties that have defined our understanding of electromagnetic radiation for over a century. Two of the most fundamental of these properties are that photons of ...

dateApr 25, 2014 in Optics & Photonics
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Can you escape the force of gravity?

It feels like you just can't get away from clingy gravity. Even separated by distances of hundreds of millions of light years, gravity is reaching out to all of us. Is there a place you could go to get away ...

dateApr 08, 2014 in General Physics
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