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Atomic Gas Created with Negative Kelvin Values

What is normal to most people in winter has so far been impossible in physics: a minus temperature. On the Celsius scale minus temperatures are only surprising in summer. On the absolute temperature scale, which is used by physicists and is also called the Kelvin scale, it is not possible to go below zero – at least not in the sense of getting colder than zero kelvin.

7 Jan 2013

Quantum Technology Helps Demonstrate 'Secure Bit Commitment' Technology

Many scenarios in business and communication require that two parties share information without either being sure if they can trust the other. Examples include secure auctions and identification at ATM machines. Exploiting the strange properties of the quantum world could be the answer to dealing with such distrust: researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have used the quantum properties of light to perform the world's first demonstration of a 'secure bit commitment' technology. The work is described in Nature Communications.

3 Jan 2013

Novel Photonic Simulation Emulates Key Properties of Electronic Topological Insulators

Researchers at The University of Texas at Austin have designed a simulation that for the first time emulates key properties of electronic topological insulators.

24 Dec 2012

Scientists Use Silver Atoms to Understand the Characteristics of New Superconductor

By doping a bismuth-based layered material with silver, Chinese scientists demonstrated that superconductivity is intrinsic to the new material rather than stemming from its impurities

21 Dec 2012

Electrons in Crystalline Structure Form Quantum Spin Liquid

A research team including scientists from the National Institute of Standards and Technology (NIST) has confirmed long-standing suspicions among physicists that electrons in a crystalline structure called a kagome (kah-go-may) lattice can form a "spin liquid," a novel quantum state of matter in which the electrons' magnetic orientation remains in a constant state of change.*

21 Dec 2012

Two Employees at Applied Communication Sciences Earn Fellow Distinction

Applied Communication Sciences announced today that it has elevated two employees to the title of ACS Fellow in recognition of their industry-leading innovations, critical business contributions, and extensive collaborations with clients and business partners.

19 Dec 2012

Daylight Solutions’ Quantum Cascade Laser Based Technology Awarded 16th Patent

Daylight Solutions, Inc. today announced the issuance of the company’s 16th patent relating to their Quantum Cascade Laser (QCL) based technology.

18 Dec 2012

Researchers Discover Fastest Process that can Fundamentally Exist in Condensed Matter Physics

A discovery that promises transistors – the fundamental part of all modern electronics – controlled by laser pulses that will be 10,000 faster than today's fastest transistors has been made by a Georgia State University professor and international researchers.

6 Dec 2012

Virtual Tool Precisely Twists and Turns Living Cells, DNA and Microscopic Motors

Harnessing laser light's ability to gently push and pull microscopic particles, researchers have created the fiber-optic equivalent of the world's smallest wrench. This virtual tool can precisely twist and turn the tiniest of particles, from living cells and DNA to microscopic motors and dynamos used in biological and physical research.

4 Dec 2012

Multi-Object Double Spectrograph Reveals Likely Origins of Bright Supernovae

A study using a unique new instrument on the world's largest optical telescope has revealed the likely origins of especially bright supernovae that astronomers use as easy-to-spot "mile markers" to measure the expansion and acceleration of the universe.

20 Nov 2012