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Search results for quanta

Condensed Matter Dec 13, 2018

Mini-detectors for the gigantic? Bose-Einstein condensates are currently not able to detect gravitational waves

The gravitational waves created by black holes or neutron stars in the depths of space have been found to reach Earth. Their effects, however, are so small that they can only be observed using kilometer-long measurement facilities. ...

General Âé¶¹ÒùÔºics Nov 9, 2018

Spacetime—a creation of well-known actors?

Most physicists believe that the structure of spacetime is formed in an unknown way at the Planck scale, i.e., at a scale close to one trillionth of a trillionth of a metre. However, careful considerations undermine this ...

Nanomaterials Nov 1, 2018

Small tweaks to nanoribbon edge structures can drastically alter heat conduction

Black phosphorene, an unusual two-dimensional (2-D) compound, may offer strategies for avoiding damaging hot spots in nanoscale circuits, a new study from A*STAR researchers has revealed.

Business Oct 30, 2018

Apple Watch supplier under fire over China student labour

Apple is investigating a factory in southwest China after a labour rights group said the tech giant's supplier forced student workers to work "like robots" to assemble its popular Apple Watch.

Energy & Green Tech Sep 6, 2018

All-in-one light-driven water splitting

Solar-powered water splitting is a promising means of generating clean and storable energy. A novel catalyst based on semiconductor nanoparticles has now been shown to facilitate all the reactions needed for "artificial photosynthesis."

Quantum Âé¶¹ÒùÔºics Sep 4, 2018

Testing whether Planck's radiation law applies at a very small scale

A recent discovery by William & Mary and University of Michigan researchers transforms our understanding of one of the most important laws of modern physics. The discovery, published in the journal Nature, has broad implications ...

Mathematics Aug 1, 2018

Kurdish refugee wins 'Nobel of mathematics' Fields medal (Update)

Kurdish refugee turned Cambridge University professor Caucher Birkar and an Italian who once preferred football to math on Wednesday were among four winners of the prestigious Fields medal, dubbed the Nobel prize for mathematics.

Optics & Photonics Jul 20, 2018

A phonon laser operating at an exceptional point

The basic quanta of light (photon) and sound (phonon) are bosonic particles that largely obey similar rules and are in general very good analogs of one another. Âé¶¹ÒùÔºicists have explored this analogy in recent experimental ...

Quantum Âé¶¹ÒùÔºics Jun 6, 2018

Transferring quantum information using sound

Quantum physics has led to new types of sensors, secure data transmission methods and researchers are working toward computers. However, the main obstacle is finding the right way to couple and precisely control a sufficient ...

Quantum Âé¶¹ÒùÔºics Apr 25, 2018

Next step towards quantum network based on micromechanical beams

In recent years, nanofabricated mechanical oscillators have emerged as a promising platform for quantum information applications. Quantum entanglement of engineered optomechanical resonators would offer a compelling route ...

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