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Proven friction stir welding technology brings together reliability and affordability for NASA's space launch system
Proven friction stir welding technology brings together reliability and affordability for NASA's space launch system
NASA's next heavy-lift launch vehicle, the Space Launch System, is moving further in development faster thanks to proven advanced technologies like friction stir welding. Friction stir welding uses frictional heating combined with forging pressure to produce high-strength bonds virtually free[…]
Created on: 21 May 2012 | 9:35 pm
21 May 2012 | 9:35 pm -
From lemons to lemonade: Using carbon dioxide to make carbon nitride
From lemons to lemonade: Using carbon dioxide to make carbon nitride
Scientists have discovered a chemical reaction that not only eats up the greenhouse gas carbon dioxide, it creates some useful compounds to boot.
Created on: 21 May 2012 | 5:56 pm
21 May 2012 | 5:56 pm -
Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector
Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector
Engineers have for the first time used "plasmonic cloaking" to create a device that can see without being seen -- an invisible machine that detects light. It is the first example of what the researchers describe as a new class[…]
Created on: 21 May 2012 | 4:46 pm
21 May 2012 | 4:46 pm -
Zooming in on bacterial weapons in 3-D: Structure of bacterial injection needles deciphered at atomic resolution
Zooming in on bacterial weapons in 3-D: Structure of bacterial injection needles deciphered at atomic resolution
The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. Through needle-like structures, they release molecular agents into their host cell, thereby evading[…]
Created on: 21 May 2012 | 4:38 pm
21 May 2012 | 4:38 pm -
Functional coatings from the plasma nozzle
Functional coatings from the plasma nozzle
These coatings offer protection against rust, scratches and moisture and also improve adhesion: Surfaces with a nano coating. A new plasma process enables these coatings to be applied more easily and cost-efficiently -- on an industrial scale.
Created on: 18 May 2012 | 7:28 pm
18 May 2012 | 7:28 pm -
New silicon memory chip may offer super-fast memory
New silicon memory chip may offer super-fast memory
The first purely silicon oxide-based "resistive RAM" memory chip that can operate in ambient conditions -- opening up the possibility of new super-fast memory -- has now been developed.
Created on: 18 May 2012 | 7:25 pm
18 May 2012 | 7:25 pm -
Ultra-short laser pulses for science and industry
Ultra-short laser pulses for science and industry
The shorter the pulse duration, the more precisely the laser tool operates. Ultra-short laser pulses of outstanding high average püower are opening the doors to new applications in high throughput materials processing. Thanks to the short pulse duration, thermal damage[…]
Created on: 18 May 2012 | 2:13 pm
18 May 2012 | 2:13 pm -
Chemists merge experimentation with theory in understanding of water molecule
Chemists merge experimentation with theory in understanding of water molecule
Using newly developed imaging technology, chemists have confirmed years of theoretical assumptions about water molecules, the most abundant and one of the most frequently studied substances on Earth.
Created on: 18 May 2012 | 2:11 pm
18 May 2012 | 2:11 pm -
In chemical reactions, water adds speed without heat
In chemical reactions, water adds speed without heat
Scientists have discovered how adding trace amounts of water can tremendously speed up chemical reactions -— such as hydrogenation and hydrogenolysis —- in which hydrogen is one of the reactants, or starting materials.
Created on: 17 May 2012 | 8:35 pm
17 May 2012 | 8:35 pm -
Graphite enters different states of matter in ultrafast experiment
Graphite enters different states of matter in ultrafast experiment
For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds. Scientists heated graphite to induce a transition from solid to liquid and to warm-dense plasma.
Created on: 16 May 2012 | 8:00 pm
16 May 2012 | 8:00 pm -
Microscope looks into cells of living fish
Microscope looks into cells of living fish
Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. Researchers have now developed a new method to visualize cell[…]
Created on: 16 May 2012 | 5:59 pm
16 May 2012 | 5:59 pm -
Chocolate and diamonds: Why volcanoes could be 'a girl's best friend'
Chocolate and diamonds: Why volcanoes could be 'a girl's best friend'
Scientists have discovered a previously unrecognized volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions. The scientists investigated how a process called ‘fluidized spray granulation’ can occur[…]
Created on: 16 May 2012 | 3:32 pm
16 May 2012 | 3:32 pm -
Full control of plastic transistors
Full control of plastic transistors
Transistors made of plastic can be controlled with great precision, according to a new article.
Created on: 16 May 2012 | 3:30 pm
16 May 2012 | 3:30 pm -
Timely discovery: Physics research sheds new light on quantum dynamics
Timely discovery: Physics research sheds new light on quantum dynamics
Physicists have made a breakthrough that improves understanding of matter-light interactions. Their research allows double ionization events to be observed at the time scale of attoseconds and shows that these ionization events occur earlier than thought -- a key factor[…]
Created on: 15 May 2012 | 7:17 pm
15 May 2012 | 7:17 pm -
New 'metamaterial' practical for optical advances
New 'metamaterial' practical for optical advances
Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar cells.
Created on: 15 May 2012 | 4:47 pm
15 May 2012 | 4:47 pm -
Beyond the high-speed hard drive: Topological insulators open a path to room-temperature spintronics
Beyond the high-speed hard drive: Topological insulators open a path to room-temperature spintronics
Theorists and experimenters have explored the unique properties of topological insulators, where electrons may flow on the surface without resistance, with spin orientations and directions intimately related. Recent research opens exciting prospects for practical new room-temperature spintronic devices that can[…]
Created on: 15 May 2012 | 3:41 pm
15 May 2012 | 3:41 pm -
Watching the 'birth' of an electron: Ionization viewed with 10 attosecond resolution
Watching the 'birth' of an electron: Ionization viewed with 10 attosecond resolution
A strong laser beam can remove an electron from an atom – a process which takes place almost instantly. This phenomenon could now be studied with a time resolution of less than ten attoseconds (ten billionths of a billionth of[…]
Created on: 15 May 2012 | 11:25 am
15 May 2012 | 11:25 am -
New research could mean faster computers and better smart phones
New research could mean faster computers and better smart phones
Graphene and carbon nanotubes could improve the electronics used in computers and mobile phones, reveals new research.
Created on: 15 May 2012 | 11:23 am
15 May 2012 | 11:23 am -
Rainforest microbe can handle ionic liquids: New find could help reduce biofuel production costs
Rainforest microbe can handle ionic liquids: New find could help reduce biofuel production costs
Researchers have identified a tropical rainforest microbe that can endure relatively high concentrations of an ionic liquid used to dissolve cellulosic biomass for the production of advanced biofuels. They've also determined how the microbe accomplishes this, a discovery that holds[…]
Created on: 15 May 2012 | 2:40 am
15 May 2012 | 2:40 am -
Dip chip technology tests toxicity on the go
Dip chip technology tests toxicity on the go
Researchers have developed a portable "dip chip" that detects water toxicity quickly and accurately. Once perfected, the chip might be plugged into ordinary smartphones or PDA devices to provide a toxicity alert.
Created on: 14 May 2012 | 7:42 pm
14 May 2012 | 7:42 pm -
You can't play nano-billiards on a bumpy table
You can't play nano-billiards on a bumpy table
There's nothing worse than a shonky pool table with an unseen groove or bump that sends your shot off course: a new study has found that the same goes at the nano-scale, where the "billiard balls" are tiny electrons moving[…]
Created on: 14 May 2012 | 4:49 pm
14 May 2012 | 4:49 pm -
Scientists generate electricity from viruses
Scientists generate electricity from viruses
Scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The scientists tested their approach by creating a generator that produces enough current to operate a small liquid-crystal display. Their generator is the[…]
Created on: 13 May 2012 | 8:46 pm
13 May 2012 | 8:46 pm -
In metallic glasses, researchers find a few new atomic structures
In metallic glasses, researchers find a few new atomic structures
Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, materials science and engineering researchers have discovered a new nanometer-scale atomic structure in solid metallic materials known as metallic glasses.
Created on: 11 May 2012 | 7:37 pm
11 May 2012 | 7:37 pm -
Low-cost nanosheet catalyst discovered to split hydrogen from water
Low-cost nanosheet catalyst discovered to split hydrogen from water
Scientists have developed a new electrocatalyst that overcomes the high cost of platinum, generating hydrogen gas from water with abundant and affordable metals. The unexpected and high-performing nanosheet structure of the catalytic nickel-molybdenum-nitride compound offers a promising new model for[…]
Created on: 11 May 2012 | 6:22 pm
11 May 2012 | 6:22 pm -
New ultra-thin electronic films have greater capacity
New ultra-thin electronic films have greater capacity
The development of a new combination of polymers associating sugars with oil-based macromolecules makes it possible to design ultra-thin films capable of self-organization with a 5-nanometer resolution. This opens up new horizons for increasing the capacity of hard discs and[…]
Created on: 11 May 2012 | 6:20 pm
11 May 2012 | 6:20 pm -
Nanotube 'sponge' has potential in oil spill cleanup
Nanotube 'sponge' has potential in oil spill cleanup
A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has just been developed, with help from computational simulations.
Created on: 10 May 2012 | 8:20 pm
10 May 2012 | 8:20 pm -
More versatile molecular sensors
More versatile molecular sensors
Researchers have found out the way to introduce gas molecules in non-porous materials, allowing them to act as molecular sensors. This finding allows for the production of more versatile, precise sensors since, apart from the optical response for the molecules[…]
Created on: 10 May 2012 | 3:59 pm
10 May 2012 | 3:59 pm -
Microfluidics: Creating chaos
Microfluidics: Creating chaos
A quiet revolution is taking place in the fields of biology and chemistry. Microfluidic devices, which allow fluid manipulation in micro-scale channels, are slowly but surely finding their place on the lab bench. A new microfluidic device can operate as[…]
Created on: 10 May 2012 | 3:56 pm
10 May 2012 | 3:56 pm -
Secrets of the first practical artificial leaf
Secrets of the first practical artificial leaf
A detailed description of development of the first practical artificial leaf -- a milestone in the drive for sustainable energy that mimics the process, photosynthesis, that green plants use to convert water and sunlight into energy -- has just been[…]
Created on: 9 May 2012 | 6:39 pm
9 May 2012 | 6:39 pm -
Significant water anomaly explained
Significant water anomaly explained
Physicists have just explained a puzzling water anomaly -- a deviation from the common form -- of water ice that has been largely neglected and never before explained.
Created on: 9 May 2012 | 4:52 pm
9 May 2012 | 4:52 pm -
Portable diagnostics designed to be shaken, not stirred
Portable diagnostics designed to be shaken, not stirred
A textured surface mimics a lotus leaf to move drops of liquid in particular directions. The low-cost system could be used in portable medical or environmental tests.
Created on: 9 May 2012 | 3:24 pm
9 May 2012 | 3:24 pm -
Quantum dots brighten the future of lighting
Quantum dots brighten the future of lighting
Researchers have boosted the efficiency of a novel source of white light called quantum dots more than tenfold, making them of potential interest for commercial applications.
Created on: 8 May 2012 | 11:33 pm
8 May 2012 | 11:33 pm -
Technique keeps cool high-power semiconductor devices used in wireless applications, traffic lights and electric cars
Technique keeps cool high-power semiconductor devices used in wireless applications, traffic lights and electric cars
Engineers have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.
Created on: 8 May 2012 | 9:21 pm
8 May 2012 | 9:21 pm -
New battery system could reduce buildings' electric bills
New battery system could reduce buildings' electric bills
The team of scientists who has been developing innovative low-cost batteries that are safe, non-toxic, and reliable with fast discharge rates and high energy densities, announced that it has built an operating prototype zinc anode battery system. The large-scale commercialization[…]
Created on: 8 May 2012 | 5:28 pm
8 May 2012 | 5:28 pm -
The electronic 'Pavlov's Dog'
The electronic 'Pavlov's Dog'
Nanotechnology scientists and memory researchers have redesigned a mental learning process using electronic circuits.
Created on: 8 May 2012 | 4:38 pm
8 May 2012 | 4:38 pm -
Billiard game in an atom: Physicists trace double ionization of argon atoms on attosecond time scales
Billiard game in an atom: Physicists trace double ionization of argon atoms on attosecond time scales
Physicists have traced the double ionization of argon atoms on attosecond time scales. When an intense laser pulse interacts with an atom it generates agitation on the micro scale. The most likely outcome of this interaction is single ionization, where[…]
Created on: 8 May 2012 | 3:43 pm
8 May 2012 | 3:43 pm -
Materials science: Perfecting the defect
Materials science: Perfecting the defect
Simulations of defects inside copper point the way to making stronger metals. Results show that there are many different deformation mechanisms occurring in nano-structured materials like nanotwinned copper. Understanding each of them will allow scientists to tune material properties.
Created on: 7 May 2012 | 4:09 pm
7 May 2012 | 4:09 pm -
Robot reveals the inner workings of brain cells: Automated way to record electrical activity inside neurons in the living brain
Robot reveals the inner workings of brain cells: Automated way to record electrical activity inside neurons in the living brain
Researchers have developed a way to automate the process of finding and recording information from neurons in the living brain. The researchers have shown that a robotic arm guided by a cell-detecting computer algorithm can identify and record from neurons[…]
Created on: 6 May 2012 | 10:01 pm
6 May 2012 | 10:01 pm -
Cancer treatment delivery: International Space Station's microgravity platform
Cancer treatment delivery: International Space Station's microgravity platform
Humanity is on the constant search for improvements in cancer treatments, and the International Space Station has provided a microgravity platform that has enabled advancements in the cancer treatment process.
Created on: 6 May 2012 | 12:30 am
6 May 2012 | 12:30 am -
Building better asphalt with nanoclays
Building better asphalt with nanoclays
Using nanotechnology, researchers are paving the way for brand-new asphalt blends to fight off cracks, rutting and potholes.
Created on: 4 May 2012 | 7:57 pm
4 May 2012 | 7:57 pm -
Using electrons to map nanoparticle atomic structures
Using electrons to map nanoparticle atomic structures
Scientists have shown how a form of nanocrystallography can be carried out using a transmission electron microscope -- an instrument found in many chemistry and materials science laboratories.
Created on: 4 May 2012 | 5:04 pm
4 May 2012 | 5:04 pm -
Gamma ray optics: a viable tool for a new branch of scientific discovery
Gamma ray optics: a viable tool for a new branch of scientific discovery
There has been a surprise discovery of ‘significant’ refraction of gamma rays which opens the door to nuclear photonics and the use of high energetic light beams to investigate the atomic nucleus. Isotope specific gamma ray microscopes could remotely search[…]
Created on: 4 May 2012 | 5:00 pm
4 May 2012 | 5:00 pm
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