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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 |
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Pull Me to the Moon: Scientists Revolutionize Space Lift Concept to Save Cash on Lunar Missions New York NY (Sputnik) Sep 02, 2019
There is no need to tether a massive cable to the Earth's surface if you can "dangle" it into Earth's orbit from the Moon, a group of Columbia University scientists say. It would be difficult, but not impossible.
Scientists have come up with an interesting twist on the old concept of space lift, which should, in theory, significantly cut the cost of future Lunar missions, The Daily Star re ... more |
China's KZ-1A rocket launches two satellites Jiuquan, China (XNA) Sep 02, 2019
Two satellites for technological experiments were sent into space by a Kuaizhou-1A, or KZ-1A, carrier rocket from the Jiuquan Satellite Launch Center in northwest China on Saturday.
The rocket blasted off at 7:41 a.m. and sent the two satellites into their planned orbit.
Kuaizhou-1A, meaning speedy vessel, is a low-cost solid-fuel carrier rocket with high reliability and a short prep ... more |
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Confusion clouds China's social credit system Beijing (AFP) Sept 2, 2019 From penalising irresponsible dog owners to blacklisting dissenters, critics warn China's social credit system enables authorities to define "desirable and undesirable behaviour" and could allow unprecedented control of citizen's lives.
The fledgling initiative has sparked fears the authoritarian state is tightening its grip on an already heavily monitored public, ensuring that only those s ... more |
Pull Me to the Moon: Scientists Revolutionize Space Lift Concept to Save Cash on Lunar Missions New York NY (Sputnik) Sep 02, 2019
There is no need to tether a massive cable to the Earth's surface if you can "dangle" it into Earth's orbit from the Moon, a group of Columbia University scientists say. It would be difficult, but not impossible.
Scientists have come up with an interesting twist on the old concept of space lift, which should, in theory, significantly cut the cost of future Lunar missions, The Daily Star re ... 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 |
Philippine Airborne Campaign Targets Weather, Climate Science Greenbelt MD (SPX) Aug 27, 2019
NASA's P-3B science aircraft soared into the skies over the Philippines on Aug. 25 to begin a nearly two-month-long investigation on the impact that smoke from fires and pollution have on clouds, a key factor in improving weather and climate forecasts.
The Cloud, Aerosol, and Monsoon Processes Philippines Experiment (CAMP2Ex) is the most comprehensive field campaign to date in Maritime Sou ... 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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Iran unveils new reconnaissance and attack drone Tehran (AFP) Sept 1, 2019
Iran on Sunday unveiled a jet-propelled drone it said is capable of finding and attacking targets far from the country's borders with precision.
Dubbed the "Kian", the unmanned aerial vehicle was designed, produced and tested by experts of the air defence force within about a year, said the head of the force, Brigadier General Alireza Sabahifard.
The drone comes in two models capable of ... more |
New perovskite material shows early promise as an alternative to silicon Onna, Japan (SPX) Aug 09, 2019 |
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In NASA Glenn's Virtual Reality Lab, Creative-Minded Employees Thrive Cleveland OH (SPX) Sep 02, 2019
Film, animation, illustration, computer science and even game design majors are integral to one of NASA Glenn's most visually-adept laboratories.
Inside the Graphics and Visualization Laboratory, known as GVIS, people with various creative educational backgrounds help weave data and analyses from engineers and scientists into colorful, engaging projects using virtual reality, augmented rea ... more |
Scorned in China, the Hong Kong singer who chose politics over career Hong Kong (AFP) Sept 2, 2019 Denise Ho has been pulled from concerts, her records are banned in China and she has been smeared as "poison", but the Cantopop star says standing with the Hong Kong pro-democracy movement outshines all the damage to her career.
The short-haired 42-year-old is a rare and instantly recognisable face among the masked crowds at this summer's huge rallies.
She marches with the masses, gives ... 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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Tiny tweaks for big wins in solar cells Thuwal, Saudi Arabia (SPX) Aug 27, 2019
Solar cells that rely on perovskites to harvest sunlight are bound to gain in energy conversion efficiency thanks to an atomic-level understanding of the structure-property relationship of these photovoltaic materials. Researchers from the KAUST Solar Center monitored the impact of compositional changes on the structural organization and photovoltaic properties of perovskite thin films in situ1, ... more |
Private Chinese firms tapping international space market Beijing (XNA) Sep 02, 2019
As China's private rocket enterprises strive to expand their presence in the Chinese space sector, they have also started tapping the international market.
LandSpace, a Beijing-based space startup and one of the leading private rocket makers in China, announced on Wednesday at the International Aviation and Space Salon 2019 in Russia that it has begun inviting payload partners from around ... more |
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