Category: Engineering
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A renewable resource? Unlocking hydrogen storage possibilities
Scientists from Penn State University have made an unexpected discovery while working to produce hydrogen as a renewable energy source that lessens our dependency on fossil fuels. Researchers have discovered that coal, which is frequently connected to traditional energy production, may be used to store hydrogen gas. It has proven challenging to store hydrogen efficiently…
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China’s Airbus and Boeing rival, C919, to make maiden commercial flight on Sunday
C919, the homegrown narrow-body jet developed by the Commercial Aircraft Corporation of China (Comac), will make its maiden commercial flight on Sunday, the South China Morning Post reported. The C919 is China’s attempt to break the duopoly of Airbus and Boeing in the aviation sector. When it comes to smaller aircraft, there are many options…
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Israeli spyware found on phones of UN official, journalists, activists in Armenia
Traces of Israeli spyware Pegasus were found on forensic analysis of phones submitted by journalists, activists, and even an unnamed United Nations (UN) official, according to an investigative report published by the digital rights group, Access Now. Developed by Israel-based NSIO Group, Pegasus is an advanced espionage tool that allows hackers extensive access to the…
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Elon Musk’s Neuralink says FDA has given nod to kickstart first human trials
The US Food and Drug Administration (FDA) has approved Elon Musk’s brain-implant company Neuralink to begin its first-in-human clinical study. The company announced the milestone in a Twitter post, which stated, “We are excited to share that we have received the FDA’s approval to launch our first-in-human clinical study! This is the result of incredible…
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Termite mounds reveal secret to creating ‘living and breathing’ buildings that use less energy
Part of the egress complex of a mound of Macrotermes michaelseni termites from Namibia. Credit: D. Andréen Among the approximately 2,000 known species of termites, some are ecosystem engineers. The mounds built by some genera—for example Amitermes, Macrotermes, Nasutitermes, and Odontotermes—reach up to eight meters high, making them some of the world’s largest biological structures.…
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Evaluation of pitting corrosion by dynamic speckle pattern analysis
Wang, M., Li, X., Du, N., Huang, Y. & Korsunsky, A. Direct evidence of initial pitting corrosion. Electrochem. Commun. 10, 1000–1004 (2008). CAS Google Scholar Horner, D., Connolly, B., Zhou, S., Crocker, L. & Turnbull, A. Novel images of the evolution of stress corrosion cracks from corrosion pits. Corros. Sci. 53, 3466–3485 (2011). CAS Google…
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Effectiveness of bicycle helmets and injury prevention: a systematic review of meta-analyses
The results section is divided into three main parts. First, the findings from the bicycle crash data studies are presented, followed by the findings from the laboratory and simulation studies, and third the results of the injury severity and cycling studies are discussed. The first section where the bicycle crash data studies are investigated is…
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Microbial growth and adhesion of Escherichia coli in elastomeric silicone foams with commonly used additives
Antibacterial effect on the growth medium This experiment shows how the different additives in the foam and the difference in base material affect bacterial growth in the inoculation suspension within 24 h at 25 °C. The resulting concentrations of E. coli in Luria-Bertani medium (LB broth) surrounding the test cubes are depicted in Fig. 1. As the…
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Efficient utilization of red mud waste via stepwise leaching to obtain α-hematite and mesoporous γ-alumina
Mahinroosta, M., Karimi, Z. & Allahverdi, A. Recycling of red mud for value-added applications: A comprehensive review. Encycl. Renew. Sustain. Mater. https://doi.org/10.1016/B978-0-12-803581-8.11474-2 (2020). Article Google Scholar Li, Z., Gu, H., Hong, B., Wang, N. & Chen, M. An innovative process for dealkalization of red mud using leachate from Mn-containing waste. J. Environ. Chem. Eng. 10,…
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There are unique kinematics during locomotor transitions between level ground and stair ambulation that persist with increasing stair grade
Nagata, H. Analysis of fatal falls on the same level or on stairs/steps. Saf. Sci. 14(3–4), 213–222. https://doi.org/10.1016/0925-7535(91)90022-E (1991). Article Google Scholar Friedland, D., Brunton, I. & Potts, J. Falls and traumatic brain injury in adults under the age of sixty. J. Community Health 39(1), 148–150. https://doi.org/10.1007/s10900-013-9752-3 (2014). Article PubMed Google Scholar Abolhassani, F. et…