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Category: Petroleum and Gas

Gas vs. electric? Fuel choice affects efforts to achieve low-energy and low-impact homes

NIST’s Net Zero Energy Residential Test Facility in Gaithersburg, Maryland, provided measurements for a NIST analysis of the environmental impacts of gas and electric HVAC systems in energy-efficient Maryland homes. Credit: Beamie Young/NIST If you want to make your home as energy-efficient and green as possible, should you use gas or electric for your heating and cooling needs? Gas is the more eco-friendly option—for now—for an energy-efficient home in Maryland. That’s the conclusion of a new economic study by the National…

Why are gels elastic? New research shows how clustered particles determine elasticity of some gels — ScienceDaily

From the toothpaste you squeeze on your brush first thing in the morning to the yogurt you slurp down to the fabric softener that keeps your pajamas cozy and soft, gels are ubiquitous in consumer products, foods, and in industrial applications, too. However, until now, scientists have been unable to explain the microscopic structures within gels that impart their elasticity, or springiness, nor how those structures form. A team of scientists from the University of Delaware, Massachusetts Institute of Technology,…

College opens door for second annual Research Day showcase

Graduate students competed for the top prize in the Research Day poster competition. Photo by Audrey Roloff. Relive Research Day through a photo slideshow here. Each year, Mizzou Engineering opens its doors to showcase the great work going on in its labs — work that has tremendous benefit and impact locally and globally. The second annual Research Day covered a lot of ground. The day concluded with a recognition of the Dean’s Council for Research Excellence and Dean’s Council of…

An exceptional strategy when winter comes — ScienceDaily

When winter comes, populations of red-neck phalarope from the Western Palearctic migrate to two different destinations -the Pacific Ocean or the Arabian Sea- following an exceptional migratory divide strategy which has never been described in this geographical area. A part of these bird populations -which breed in Greenland, Island and the British Islands- cross more than 10,000 kilometres to reach the Pacific Ocean, while populations in Scandinavia and Russia go to the Arabian Sea in the Indian Ocean, more than…

Microscopic and molecular evidence at paleolithic hearth sites helps uncover Neanderthal mobility habits — ScienceDaily

Ancient fire remains provide evidence of Neanderthal group mobility and settlement patterns and indicate specific occupation episodes, according to a new study published in PLOS ONE on April 24, 2019 by Lucia Leierer and colleagues from Universidad de La Laguna, Spain. Most paleolithic household activities are thought to have taken place around hearths or fires. The author of the present study chose to examine the Middle Paleolithic site El Salt in Spain, which contains eleven well-preserved and overlapping open-air hearth…

Engineered surface treatment developed at MIT can reduce waste and improve efficiency in many processes — ScienceDaily

An MIT research team that has already conquered the problem of getting ketchup out of its bottle has now tackled a new category of consumer and manufacturing woe: how to get much thicker materials to slide without sticking or deforming. The slippery coatings the team has developed, called liquid-impregnated surfaces, could have numerous advantages, including eliminating production waste that results from material that sticks to the insides of processing equipment. They might also improve the quality of products ranging from…

Study finds shallow bodies of water were probably more suitable for Earth’s first life forms — ScienceDaily

Primitive ponds may have provided a suitable environment for brewing up Earth’s first life forms, more so than oceans, a new MIT study finds. Researchers report that shallow bodies of water, on the order of 10 centimeters deep, could have held high concentrations of what many scientists believe to be a key ingredient for jump-starting life on Earth: nitrogen. In shallow ponds, nitrogen, in the form of nitrogenous oxides, would have had a good chance of accumulating enough to react…

3-D-printed propeller blade opens the way to eco-friendly shipping

Credit: Tawansak, Shutterstock To make the European maritime industry more competitive globally, innovative materials are needed to improve ships’ performance and make them more environment friendly. In recent years, other industries have made a lot of progress in this area. However, the maritime sector is lagging behind in the adoption of advanced materials that have a smaller environmental footprint and are less costly and easier to maintain. Doing its part to propel the maritime industry forward, the EU-funded project RAMSSES…

New technique reduces time lag between component manufacture and checking precision on CMM

Dr Naeem Mian. Credit: University of Huddersfield Research findings described in a new article by University of Huddersfield scientists will enable engineering firms to make major gains in productivity and efficiency by reducing the often-considerable time-lag between the manufacture of components and checking their precision on a Coordinate Measuring Machine (CMM). To ensure complete accuracy, CMMs are housed in a strictly temperature-controlled environment. But manufacturing processes often lead to big increases or decreases in the temperature of components. Until they…

Theoretical approach for assembling nanoparticles uses an idea similar to separated vinaigrettes — ScienceDaily

Materials scientists at Duke University have theorized a new “oil-and-vinegar” approach to engineering self-assembling materials of unusual architectures made out of spherical nanoparticles. The resulting structures could prove useful to applications in optics, plasmonics, electronics and multi-stage chemical catalysis. The novel approach appeared online on March 25 in the journal ACS Nano. Left to their own tendencies, a system of suspended spherical nanoparticles designed to clump together will try to maximize their points of contact by packing themselves as tightly…