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Physicists create world's smallest engine![]() Dublin, Ireland (SPX) Aug 23, 2019 Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine - which, as a single calcium ion, is approximately ten billion times smaller than a car engine. Work performed by Professor John Goold's QuSys group in Trinity's School of Physics describes the science behind this tiny motor. The research, published in international journal Physical Review Letters, explains how random fluctuations affect the operation of microscopic ... read more |
DNA origami joins forces with molecular motors to build nanoscale machinesBoston MA (SPX) Jul 22, 2019 Every year, robots get more and more life-like. Solar-powered bees fly on lithe wings, humanoids stick backflips, and teams of soccer bots strategize how to dribble, pass, and score. And, the more r ... more
DARPA Announces Microsystems Exploration ProgramWashington DC (SPX) Jul 17, 2019 Over the past few decades, DARPA's Microsystems Technology Office (MTO) has enabled revolutionary advances in electronics materials, devices, and systems, which have provided the United States with ... more
Monitoring the lifecycle of tiny catalyst nanoparticlesBochum, Germany (SPX) May 07, 2019 Nanoparticles can be used in many ways as catalysts. To be able to tailor them in such a way that they can catalyse certain reactions selectively and efficiently, researchers need to determine the p ... more
Fast and selective optical heating for functional nanomagnetic metamaterialsUsurbil, Spain (SPX) Apr 23, 2019 Compared to so-far used global heating schemes, which are slow and energy-costly, light-controlled heating, using optical degrees of freedom such as light wavelength, polarisation, and power, allows ... more |
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Defects help nanomaterial soak up more pollutant in less timeHouston TX (SPX) Mar 14, 2019 Cleaning pollutants from water with a defective filter sounds like a non-starter, but a recent study by chemical engineers at Rice University found that the right-sized defects helped a molecular si ... more Lausanne, Switzerland (SPX) Feb 25, 2019 Nanowires have the potential to revolutionize the technology around us. Measuring just 5-100 nanometers in diameter (a nanometer is a millionth of a millimeter), these tiny, needle-shaped crystallin ... more |
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Chandrayaan-2 Captures First Image of Moon Showing Mare Orientale Basin, Apollo Craters New Delhi (IANS) Aug 27, 2019
Chandrayaan-2 has captured the first image of the Moon, two days after entering the lunar orbit. The picture was taken by Vikram, the spacecraft's lander and shows the Mare Orientale basin and Apollo craters. The image was taken at a height of about 2, 650 km from the lunar surface on August 21.
"Take a look at the first Moon image captured by #Chandrayaan2 #VikramLander taken at a height ... more |
China's newly launched communication satellite suffers abnormality Beijing (XNA) Aug 21, 2019
China's new communication satellite ChinaSat 18, sent into space on Monday, has experienced abnormalities, and space engineers are investigating the cause.
The ChinaSat 18 satellite was launched at 8:03 p.m. (Beijing Time) on a Long March-3B carrier rocket from the Xichang Satellite Launch Center in southwest China's Sichuan Province.
The satellite separated with the carrier rocket a ... more |
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Google says YouTube campaign targeted Hong Kong protests San Francisco (AFP) Aug 23, 2019
Google on Thursday said it disabled a series of YouTube channels that appeared to be part of a coordinated influence campaign against pro-democracy protests in Hong Kong.
The announcement by YouTube's parent company came after Twitter and Facebook accused the Chinese government of backing a social media campaign to discredit Hong Kong's protest movement and sow political discord in the city. ... more |
Chandrayaan-2 Captures First Image of Moon Showing Mare Orientale Basin, Apollo Craters New Delhi (IANS) Aug 27, 2019
Chandrayaan-2 has captured the first image of the Moon, two days after entering the lunar orbit. The picture was taken by Vikram, the spacecraft's lander and shows the Mare Orientale basin and Apollo craters. The image was taken at a height of about 2, 650 km from the lunar surface on August 21.
"Take a look at the first Moon image captured by #Chandrayaan2 #VikramLander taken at a height ... more |
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Physicists create world's smallest engine Dublin, Ireland (SPX) Aug 23, 2019
Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine - which, as a single calcium ion, is approximately ten billion times smaller than a car engine.
Work performed by Professor John Goold's QuSys group in Trinity's School of Physics describes the science behind this tiny motor. The research, published in intern ... more |
New Landsat Infrared Instrument Ships from NASA Greenbelt MD (SPX) Aug 27, 2019
From orbit aboard the Landsat 9 satellite, the Thermal Infrared Sensor 2, or TIRS-2, will measure the temperature of Earth's land surfaces, detecting everything from a smoldering wildfire, to the amount of irrigation used on crop fields, to wispy clouds that are all but invisible to other instruments. First, however, it had to survive tests that simulated the harsh environment of space.
Th ... more |
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Physicists create world's smallest engine Dublin, Ireland (SPX) Aug 23, 2019
Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine - which, as a single calcium ion, is approximately ten billion times smaller than a car engine.
Work performed by Professor John Goold's QuSys group in Trinity's School of Physics describes the science behind this tiny motor. The research, published in intern ... more |
NASA Robots Compete Underground in DARPA Challenge Pasadena CA (JPL) Aug 15, 2019
Robots from all over the world will compete to find objects in the DARPA Subterranean Challenge Systems Competition, held Aug. 15-22 in mining tunnels under Pittsburgh. Among them will be a team led by NASA's Jet Propulsion Laboratory in Pasadena, California, that features wheeled rovers, drones and climbing robots that can rise on pinball-flipper-shaped treads to scale obstacles.
Held by ... more |
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Hughes partners with startup to extend LTE Coverage using helicopters and UAVs Germantown MD (SPX) Aug 22, 2019
Hughes Network Systems has announced a new joint solutions to extend mobile network connectivity using an integrated combination of VNC's deployable LTE technology with Hughes JUPITER and HM satellite systems. The new solutions support various global applications for government, militaries, first responders, and commercial Mobile Network Operators (MNOs).
"We're excited to work with Hughes ... more |
New perovskite material shows early promise as an alternative to silicon Onna, Japan (SPX) Aug 09, 2019 |
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Studying quantum phenomena in magnetic systems to understand exotic states of matter Tokyo, Japan (SPX) Aug 23, 2019
Apart from the states of matter that we are all aware of and accustomed to, which correspond to solids, liquids, and gases, more exotic states can be generated in specific materials under special conditions. Such states are of great interest to physicists because they help them gain a deeper understanding of quantum phenomena, which is key for scientists and engineers to innovate state-of-the-ar ... more |
Australian arrested in China for 'espionage' Sydney (AFP) Aug 27, 2019
An Australian pro-democracy academic held for seven months in China has been formally arrested for spying, Foreign Minister Marise Payne said Tuesday as she demanded Beijing uphold "basic standards" of justice.
Payne said she was "very concerned" that Chinese-born Yang Hengjun - a former official turned author - had been arrested on "suspicion of espionage".
Yang had been detained afte ... more |
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Towards an 'orrery' for quantum gauge theory Zurich, Switzerland (SPX) Aug 23, 2019
The interaction between fields and matter is a recurring theme throughout physics. Classical cases such as the trajectories of one celestial body moving in the gravitational field of others or the motion of an electron in a magnetic field are extremely well understood, and predictions can be made with astonishing accuracy.
However, when the quantum character of the particles and fields inv ... more |
A key piece to understanding how quantum gravity affects low-energy physics Trieste, Italy (SPX) Aug 09, 2019 Researchers have, for the first time, identified the sufficient and necessary conditions that the low-energy limit of quantum gravity theories must satisfy to preserve the main features of the Unruh effect.
In a new study, led by researchers from SISSA (Scuola Internazionale Superiore di Studi Avanzati, the Complutense University of Madrid and the University of Waterloo, a solid theoretica ... more |
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How to have an all-renewable electric grid Boston MA (SPX) Aug 23, 2019
The main solution to climate change is well known - stop burning fossil fuels. How to do this is more complicated, but as a scholar who does energy modeling, I and others see the outlines of a post-fossil-fuel future: We make electricity with renewable sources and electrify almost everything.
That means running vehicles and trains on electricity, heating buildings with electric heat pumps, ... more |
ESA and GomSpace Luxembourg sign contract for continued constellation management development Aalborg, Denmark (SPX) Aug 27, 2019
GomSpace and have signed a development contract at a value of EUR 1,425,000 for GomSpace Luxembourg SARL's continued development of the Mega-Constellation Operations Platform (MCOP) product.
The development of MCOP was initiated in 2018 under the first development contract resulting in development of a minimum viable product focusing on scalability which was recently proven through the fir ... more |
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