Tuesday, October 7, 2014

Invention of blue LEDs receives physics Nobel

via bbc

Blood Moon total lunar eclipse coming up

via knoxnews

New mechanism of photoconduction could lead to next-generation excitonic devices

Shown here is the crystal structure of molybdenite, MoS2. When hit with a burst of laser light, freed electrons and holes combine to form combinations called trions, consisting of two electrons and one hole (represented here by orange and green balls). (Credit: Jose-Luis Olivares/MIT) — Shown here is the crystal structure of molybdenite, MoS2. When hit with a burst of laser light, freed electrons and holes combine to form combinations called trions, consisting of two electrons and one hole, represented here by orange and green balls. (Credit: Jose-Luis Olivares/MIT)

via mit

A huge new neutrino experiment is up and running at Fermilab

Construction of Noνa, apparently the biggest free-standing plastic structure in the world. And a neutrino detector. Photograph: FNAL — Construction of Noνa, apparently the biggest free-standing plastic structure in the world. And a neutrino detector. (Credit: FNAL)

via theguardian

NASA’s Orion capsule floats inside US Navy ship

A test version of NASA's Orion capsule floats in the rear of the USS Anchorage during a recovery drill off the coast of California September 15, 2014. Orion is NASA's next exploration spacecraft, designed to carry astronauts to destinations in deep space, including an asteroid and Mars. Picture taken September 15, 2014. (Credit: REUTERS/Mike Blake) — A test version of NASA’s Orion capsule floats in the rear of the USS Anchorage during a recovery drill off the coast of California September 15, 2014. Orion is NASA’s next exploration spacecraft, designed to carry astronauts to destinations in deep space, including an asteroid and Mars. Picture taken September 15, 2014. (Credit: REUTERS/Mike Blake)

via reuters

How big data is fueling a new age in space exploration

A few major factors will drive exponential growth in the amount of terabytes falling on us from the skies over the next couple of decades: the increasing speed of commercial satellite deployment, implementation of faster communication technology, and the onset of interplanetary missions. (Credit: SKA Telescope, Golubovich)

via venturebeat

The difficulty of using the Doppler shift to measure the wobble of a star

One of the biggest advances of astronomy in the past decade has been the discovery of planets orbiting other stars, known as exoplanets. But just how many exoplanets have been discovered? According to the Extrasolar Planet Encyclopedia, a semi-official catalog based in Europe, there were as of the end of September last year 990 confirmed exoplanets and 2,321 candidate exoplanets. (Credit: Zina Deretsky, National Science Foundation) — How many exoplanets have been discovered? According to the Extrasolar Planet Encyclopedia, a semi-official catalog based in Europe, there were as of the end of September last year 990 confirmed exoplanets and 2,321 candidate exoplanets. (Credit: Zina Deretsky, National Science Foundation)

via phys.org

Pressing the accelerator on quantum robotics

The theoretical work has focused on using quantum computing to accelerate the machine learning. (Credit: SINC)

via sciencedaily

How much should a robot be allowed to hurt its coworkers?

, a collaborative robot from Rethink Robotics, works on a mocked-up assembly line. (Credit: Rethink Robotics) — A collaborative robot from Rethink Robotics, works on a mocked-up assembly line. Setting limits on the level of pain a robot may (accidentally) inflict on a human is a crucial goal of the first safety standards being drawn up for these “collaborative” robots. (Credit: Rethink Robotics, Simonite)

via technologyreview

Why ‘Frankenstein’ Robots Could Be the Future of Artificial Intelligence

via motherboard

Why didn’t they win? 10 huge discoveries without a Nobel Prize

Thomas Edison is famous for his lightbulb, but he never won a Nobel Prize. (Credit: AFP/Getty)

via nationalgeographic

Nobel prize winner: Let’s find dark matter and dark energy

This picture shows ALMA antennas pointing towards the centre of the milky-way. (Photo: ESO, B. Tafreshi)

Dark matter and dark energy continue to be cosmological conundrum for physicists worldwide. Nobel prize winner Brian Schmidt offers his perspective in an interview. The image shown here is of the ALMA antennas and the constellations of Carina (The Keel) and Vela (The Sails). The dark, wispy dust clouds of the Milky Way streak from middle top left to middle bottom right. (Credit: ESO, B. Tafreshi)

Pluto and the other dwarf planets could have astrobiological potential

“Our model predicts different fracture patterns on the surface of Charon depending on the thickness of its surface ice, the structure of the moon’s interior and how easily it deforms, and how its orbit evolved,” said Alyssa Rhoden of NASA’s Goddard Space Flight Center. (Credit: NASA)

Soft infrastructure challenges to scientific knowledge discovery

Open network environments have become essential in the sciences, enabling accelerated discovery and communication of knowledge. Yet, the real revolution began when open community databases allowed researchers to build on existing contributions and compare their results to established knowledge. (Credit: King, Uhlir)

An interesting glimpse into how future state of the art electronics might work

. A novel class of electronic materials – the so-called transition-metal oxides – hold promise for exciting, new applications. Where layers of this novel class of electronic materials touch, often a unique, and unprecedented phenomenon occurs: for instance, the interface between two insulators can become superconducting, or a strong magnetic order can build up between two non-magnetic layers.

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