The electrodes in lithium-ion batteries typically comprise three components: active materials, conductive additives, and binders. Now, a team of researchers at the University of Delaware has discovered that fragmented carbon nanotube macrofilms may eliminate the need for binders.... Read more »
Cao, Z., & Wei, B. (2014) Fragmented Carbon Nanotube Macrofilms as Adhesive Conductors for Lithium-Ion Batteries. ACS Nano, 8(3), 3049-3059. DOI: 10.1021/nn500585g
The workshop on computational theories of evolution started off on Monday, March 17th with Leslie Valiant — one of the organizers — introducing his model of evolvability (Valiant, 2009). This original name was meant to capture what type of complexity can be achieved through evolution. Unfortunately — especially at this workshop — evolvability already had […]... Read more »
I was writing and reading about what is turbulence and how to avoid it (last two posts) when I found a recent (2013) interesting paper talking about the possible intensification of turbulence activity due climate change.... Read more »
Williams, P., & Joshi, M. (2013) Intensification of winter transatlantic aviation turbulence in response to climate change. Nature Climate Change, 3(7), 644-648. DOI: 10.1038/nclimate1866
Researchers from North Carolina State University have developed a new processing technique that makes light emitting diodes (LEDs) brighter and more resilient by coating the semiconductor material gallium nitride (GaN) with a layer of phosphonic acid derivatives.... Read more »
Wilkins, S., Greenough, M., Arellano, C., Paskova, T., & Ivanisevic, A. (2014) In Situ Chemical Functionalization of Gallium Nitride with Phosphonic Acid Derivatives during Etching. Langmuir, 30(8), 2038-2046. DOI: 10.1021/la404511b
A research group at the University of the Basque Country (UPV/EHU) has developed an adaptative algorithm to improve small wind turbines efficiency.... Read more »
Kortabarria, I., Andreu, J., Martínez de Alegría, I., Jiménez, J., Gárate, J., & Robles, E. (2014) A novel adaptative maximum power point tracking algorithm for small wind turbines. Renewable Energy, 785-796. DOI: 10.1016/j.renene.2013.10.036
Researchers are reporting new progress on a “breathing” battery that has the potential to one day replace the lithium-ion technology of today’s EVs. This lithium-air battery technology could boost the range of EVs toward a 300 miles or even more.... Read more »
Imanishi, N., & Yamamoto, O. (2014) Rechargeable lithium–air batteries: characteristics and prospects. Materials Today, 17(1), 24-30. DOI: 10.1016/j.mattod.2013.12.004
If you look at your typical computer science department’s faculty list, you will notice the theorists are a minority. Sometimes they are further subdivided by being culled off into mathematics departments. As such, any institute that unites and strengthens theorists is a good development. That was my first reason for excitement two years ago when […]... Read more »
Angelino, E., & Kanade, V. (2014) Attribute-efficient evolvability of linear functions. Proceedings of the 5th conference on Innovations in Theoretical Computer Science, 287-300. DOI: 10.1145/2554797.2554824
Découvert l'existence d'une forme de carbone méconnue : le carbone pyrolytique. C'est un empilement de couches de graphène moins régulier que dans le graphite *.
Cependant le graphite n'est formé que de minuscules cristaux comme ceux qui partent en poudre au bout de votre mine de crayon, alors qu'on est capable de produire des plaques de carbone pyrolytique de quelques centimètres de côté.
Les propriétés de ce matériau sont vraiment étonnantes.... Read more »
Kui Yao and colleagues from the A*STAR Institute of Materials Research and Engineering in Singapore have developed a battery-less photodetector that can harvest small quantities of detected light to generate enough energy to power a sensing signal transmission through a radio-frequency transmitter.... Read more »
Lai, S., Yao, K., & Chen, Y. (2013) A battery-less photo-detector enabled with simultaneous ferroelectric sensing and energy harnessing mechanism. Applied Physics Letters, 103(9), 92903. DOI: 10.1063/1.4819845
A detailed assessment of a new type of nuclear reactor, termed the Small Modular Reactor (SMR), has been published to help policymakers decide on the best way to meet the growing demand for energy.... Read more »
Locatelli, G., Bingham, C., & Mancini, M. (2014) Small modular reactors: A comprehensive overview of their economics and strategic aspects. Progress in Nuclear Energy, 75-85. DOI: 10.1016/j.pnucene.2014.01.010
“Two canine scientists, Julie Hecht and Mia Cobb, met briefly at a conference in Barcelona in late July 2012. They share a passion for canine science, good communication, social media and fun.” So reads the 'About' page at Do You Believe in Dog?. After a brief hello at the 3rd Canine Science Forum in Barcelona, we decided to embark on an adventure as digital pen pals, taking turns blogging on topics related to our own research, that of other research groups and general dog science themes. In the last two years, Do You Believe in Dog? has grown to include a blog with over 100 posts, contributions from guest blogging canine scientists around the world, as well as vibrant Facebook and Twitter communities.Pretty soon, it’ll be time for the 4th Canine Science Forum (Facebook) July 15-17, 2014 in Lincoln, UK! The conference will be proceeded by the 1st Feline Science Forum, July 14, same location, as well as a day dedicated to Companion Animals - Human Health & Disease, July 18, same location (scroll down for the program).This is a reminder that this Friday, March 14, 2014, is the deadline for abstract submission and early bird conference registration.The scientific programme includes a number of already scheduled talks. Read about the invited speakers here: Prof. Benjamin Hart (USA) From the Woods to Home: What Wolves Tell Us About Dog BehaviorDr. Mariana Bentosela (Argentina) ‘Reinforcement effects upon interspecific communication in domestic dogs. What do we know so far?’Dr Erik Axelsson (Sweden) ‘What makes the dog special – The canine genome in comparison with other mammalian genomes’Prof. Clive D. L. Wynne (USA) ‘Comparative Cognition of Dogs and Wolves: What Makes a Dog a Dog?’Prof. Claudio Sillero (UK) ‘What shapes dog society? Cooperation in the wonderfully adaptable Canidae’Dr. John Finarelli (Ireland) ‘Patterns and processes from the fossil record of canids’Prof. James Serpell (USA) Public Lecture ~~Did we mention the Gala Dinner is in a Castle?See you at the 4th Canine Science Forum in Lincoln, UK!Mia and Julie Check out some of the science presented at CSF2012:Cobb M., Branson N. & McGreevy P. (2013). Advancing the welfare of Australia’s iconic working dogs, Journal of Veterinary Behavior: Clinical Applications and Research, 8 (4) e42-e43. DOI: 10.1016/j.jveb.2013.04.054Hecht J. & Horowitz A. (2013). Physical prompts to anthropomorphism of the domestic dog (Canis familiaris), Journal of Veterinary Behavior: Clinical Applications and Research, 8 (4) e30. DOI: 10.1016/j.jve... Read more »
Cobb Mia, Branson Nick, & McGreevy Paul. (2013) Advancing the welfare of Australia’s iconic working dogs. Journal of Veterinary Behavior: Clinical Applications and Research, 8(4). DOI: 10.1016/j.jveb.2013.04.054
Hecht J., & Horowitz A. (2013) Physical prompts to anthropomorphism of the domestic dog (Canis familiaris). Journal of Veterinary Behavior: Clinical Applications and Research, 8(4). DOI: 10.1016/j.jveb.2013.04.013
Racca A., Range F., Virányi Z., & Huber L. (2013) Discrimination of familiar human faces in domestic dogs. Journal of Veterinary Behavior: Clinical Applications and Research, 8(4). DOI: 10.1016/j.jveb.2013.04.071
Dreschel N.A., & Entendencia K. (2013) Stress during certification testing in prison drug detection dogs and their handlers. Journal of Veterinary Behavior: Clinical Applications and Research, 8(4). DOI: 10.1016/j.jveb.2013.04.005
In part 1 and part 2 of this series, I examined the story of the Computerized Adaptive Test – Depression Inventory (CAT-DI). This new technique has touted as being a revolutionary new way of measuring depression. The CAT-DI is a kind of computerized questionnaire, that assesses depressive symptoms by asking a series of questions about […]The post Can A Computer Measure Your Mood? (CAT Part 3) appeared first on Neuroskeptic.... Read more »
Gibbons RD, Weiss DJ, Pilkonis PA, Frank E, Moore T, Kim JB, & Kupfer DJ. (2012) Development of a computerized adaptive test for depression. Archives of general psychiatry, 69(11), 1104-12. PMID: 23117634
Unable to display content. Adobe Flash is required. When I was doing my Ph.D. in the ancient days of the Sanger Method sequencing and reading in the results with one hand on the keyboard and reading the GATCs on the read (and going to the lab in the snow uphill both ways), my purpose for […]... Read more »
Conow, C., Fielder, D., Ovadia, Y., & Libeskind-Hadas, R. (2010) Jane: a new tool for the cophylogeny reconstruction problem. Algorithms for Molecular Biology, 5(1), 16. DOI: 10.1186/1748-7188-5-16
IN THE beginning, there were no living cells and no proteins in the primordial soup on the pre-biotic earth. The authors proposed and tested the hypothesis that thermal cycling to drive cell-free RNA replication and amplification in this environment may have been provided by a natural hydrogen peroxide thermochemical oscillator. This also provides a mechanism for natural selection and evolution. Results also may answer the (previously unanswerable) question of why new life does not emerge from non-living precursors on the modern earth: Quite simply there is no longer the hydrogen peroxide around that there was in the good old days!... Read more »
Rowena Ball, & John Brindley. (2014) Hydrogen peroxide thermochemical oscillator as driver for primordial RNA replication. Journal of the Royal Society Interface. arXiv: 1402.3875v3
A team led by researchers from the UCLA Henry Samueli School of Engineering and Applied Science has made improvements in computer processing using an emerging class of magnetic materials called “multiferroics,” and these advances could make future devices far more energy-efficient than current technologies.... Read more »
Cherepov, S., Khalili Amiri, P., Alzate, J., Wong, K., Lewis, M., Upadhyaya, P., Nath, J., Bao, M., Bur, A., Wu, T.... (2014) Electric-field-induced spin wave generation using multiferroic magnetoelectric cells. Applied Physics Letters, 104(8), 82403. DOI: 10.1063/1.4865916
Physicists at the Harvard School of Engineering and Applied Sciences (SEAS) envision a device that would harvest energy from Earth’s infrared emissions into outer space.... Read more »
Byrnes, S., Blanchard, R., & Capasso, F. (2014) Harvesting renewable energy from Earth's mid-infrared emissions. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1402036111
Transparent, colorful solar cells invented at the University of Michigan could one day be used to make stained-glass windows, decorations and even shades that turn the sun’s energy into electricity.... Read more »
Lee, J., Lee, K., Seo, S., & Guo, L. (2014) Decorative power generating panels creating angle insensitive transmissive colors. Scientific Reports. DOI: 10.1038/srep04192
An analysis published Feb. 26 in the journal Nature Climate Change (see footnote) shows that the wastewater produced during the processing of palm oil is a significant source of heat-trapping methane in the atmosphere. But the researchers also present a possible solution: capturing the palm oil methane and using it as a renewable energy source.... Read more »
Taylor, P., Bilinski, T., Fancher, H., Cleveland, C., Nemergut, D., Weintraub, S., Wieder, W., & Townsend, A. (2014) Palm oil wastewater methane emissions and bioenergy potential. Nature Climate Change, 4(3), 151-152. DOI: 10.1038/nclimate2154
Ultraviolet light (UV) has not only harmful effects on molecules and biological tissue like human skin but it also can impair the performance of organic solar cells upon long-term exposure. Researchers of Kiel University and Helmholtz-Zentrum Geesthacht have now developed a so-called plasmonic metamaterial, which is compatible with solar technology and completely absorbs UV light—despite being only 20 nanometers thin.... Read more »
Hedayati, M., Zillohu, A., Strunskus, T., Faupel, F., & Elbahri, M. (2014) Plasmonic tunable metamaterial absorber as ultraviolet protection film. Applied Physics Letters, 104(4), 41103. DOI: 10.1063/1.4863202
Researchers from North Carolina State University have developed a “superabsorbing” design that may significantly improve the light absorption efficiency of thin film solar cells and drive down manufacturing costs.... Read more »
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