Over the past 60 years several theories and experiments have claimed the existence of negative absolute temperatures in certain quantum systems This fuelled speculations about hyper efficient heat engines that could act as perpetual motion ... - Read More
Scientists from the Polytechnic University of Catalonia and other international collaborators have proposed a system of mirrors processed lunar soil and a heat engine to provide energy to vehicles and crew during the lunar night ... - Read More
A team of material scientists chemical engineers and physicists from the University of Pennsylvania has made another advance in their effort to use liquid crystals as a medium for assembling structures In their earlier studies ... - Read More
Physicists at the University of Chicago and the University of Massachusetts Amherst are uncovering the fundamental physical laws that govern the behavior of cellular materials We don't have any tools or formalism to think about ... - Read More
In the midst of a winter cold snap a study from researchers in the United States and Greece reveals an overlooked side effect of economic crisis dangerous air quality caused by burning cheaper fuel for ... - Read More
Amborella trichopoda a sprawling shrub that grows on just a single island in the remote South Pacific is the only plant in its family and genus It is also one of the oldest flowering plants ... - 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
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
Halomonas are a hardy breed of bacteria They can withstand heat high salinity low oxygen utter darkness and pressures that would kill most other organisms These traits enable these microbes to eke out a living ... - Read More
EPFL researchers studying a natural wetland near a decommissioned uranium mine in Limousin France have shown that under certain circumstances the uranium present in the wetland could be more mobile than previously believed Because they ... - Read More
Photoreactions are driven by light energy and are vital to the synthesis of many natural substances Since many of these substances are also useful as active medical agents chemists try to produce them synthetically But ... - Read More
Researchers have created a new type of molecular motor made of DNA and demonstrated its potential by using it to transport a nanoparticle along the length of a carbon nanotube The design was inspired by ... - Read More
New analysis shows that policies addressing energy consumption and technology choices individually can play an important part in reducing emissions Discussions on curbing climate change tend to focus on comprehensive emissions focused measures a global ... - Read More
A warmer world is expected to have severe consequences for global agriculture and food supply reducing yields of major crops even as population and demand increases Now a new analysis combining climate agricultural and hydrological ... - Read More
Quantum dots tiny semiconductor crystals with diameters measured in billionths of a meter have enormous potential for applications that make use of their ability to absorb or emit light and or electric charges Examples include ... - Read More
Physicists have developed a planet satellite model to precisely connect and arrange nanoparticles in three dimensional structures Inspired by the photosystems of plants and algae these artificial nanoassemblies might in the future serve to collect ... - Read More
The Environmental Protection Agency has honored the University of Delaware's Richard Wool with its Presidential Green Chemistry Challenge Award for his extensive work developing bio based materials to support the green energy infrastructure Wool was ... - Read More
Supramolecular chemistry aka chemistry beyond the molecule in which molecules and molecular complexes are held together by non covalent bonds is just beginning to come into its own with the emergence of nanotechnology Metal organic ... - Read More
Blending more ethanol into fuel to cut air pollution from vehicles carries a hidden risk that toxic or even explosive gases may find their way into buildings according to researchers at Rice University Those problems ... - Read More
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