As is well known the Earth is about 4.6 billion years old No rocks exist however that are older than about 3.8 billion years A sedimentary rock section in the Jack Hills of western Australia ... - Read More
In contrast to its apparent simplicity that brought Einstein his Nobel Prize the photoelectric effect when an electron is knocked out from its parent atom by a photon is quite complicated to analyze in general ... - Read More
All good research breaks new ground but rarely does the research unearth truths that challenge the foundation of a science That's what Artem R Oganov has done and the professor of theoretical crystallography in the ... - Read More
In the very beginning of the school chemistry course we are told of NaCl as an archetypal ionic compound Being less electronegative sodium loses its electron to chlorine which following the octet rule thus acquires ... - Read More
that even in well defined systems like sodium chloride you can find totally new chemistry and totally new and very exciting materials ” Oganov says “It’s like discovering a new continent now we need to ... - Read More
A new type of transistor that could make possible fast and low power computing devices for energy constrained applications such as smart sensor networks implantable medical electronics and ultra mobile computing is feasible according to ... - Read More
In collaboration with the University of Basel an international team of researchers has observed a strong energy loss caused by frictional effects in the vicinity of charge density waves This may have practical significance in ... - Read More
Networks of nanometer scale machines offer exciting potential applications in medicine industry environmental protection and defense but until now there's been one very small problem the limited capability of nanoscale antennas fabricated from traditional metallic ... - Read More
NASA's Curiosity rover is providing vital insight about Mars' past and current environments that will aid plans for future robotic and human missions In a little more than a year on the Red Planet the ... - Read More
By relentlessly miniaturizing a pre World War II computer technology and combining this with a new and durable material researchers at Case Western Reserve University have built nanoscale switches and logic gates that operate more ... - Read More
A stopwatch made of light can determine the duration of extremely brief electron flashes Teams based in the Laboratory for Attosecond Physics LAP at LMU and at the Max Planck Institute of Quantum Optics have ... - Read More
University of Oregon chemists studying the structure of ligand stabilized gold nanoparticles have captured fundamental new insights about their stability The information they say could help to maintain a desired integral property in nanoparticles used ... - Read More
Listen up nickel titanium and all you other shape memory alloys there's a new kid on the block that just claimed the championship for elasticity and is primed to take over the shape memory apps ... - Read More
Small difference large effect Most biological molecules occur in two variants an original and its mirror image As a result they are related to one another like the left hand to the right For instance ... - Read More
Electron motions induced by a strong electric field are mapped in space and time with the help of femtosecond x ray pulses An x ray movie of the crystal lithium hydride shows that the electric ... - Read More
Cyanobacteria found in just about every ecosystem on Earth are one of the few bacteria that can create their own energy through photosynthesis and fix carbon from carbon dioxide molecules and convert it into fuel ... - Read More
For 40 years scientists thought they understood how certain bacteria work together to anaerobically digest biomass to produce methane gas important in bioenergy and the major source of greenhouse gas But now microbiologists in Derek ... - Read More
The ever increasing market for portable electronic devices such as laptops cell phones and MP3 players has resulted in an equally heavy demand for secondary batteries more commonly known as rechargeable batteries Lithium ion Li ... - Read More
Two billion years ago Earth system was recovering from perhaps the single most profound modification of its surface environments the oxygenation of the atmosphere and oceans This led to a series of major changes in ... - Read More
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