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All posts; Tags Include "Nanoscience"

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  • May 17, 2017
  • 04:20 AM
  • 94 views

Carbon nanotubes, what are they good for?

by kylius wilkins in It Ain't Magic

Kylius Wilkins talks to Urs Frey and his paper that described his recent success manufacturing carbon nanotubes (CNTs).... Read more »

  • June 12, 2016
  • 10:35 PM
  • 920 views

Seeing Through the Skin

by Aurametrix team in Olfactics and Diagnostics

​Human skin emits light (albeit the glow is extremely weak) and a wide variety of small molecules that may be sometimes "sniffed" by dogs or even other humans. These chemicals tell a story about our health and wellness, things we eat and drink, touch and breathe. Mosquitoes use such emissions to assess our "attractiveness" from indicators such as Indoles (unpleasantly smelling but healthy "inner soil" biomarker) or carbon dioxide (amount of which correlates with the size of the person........ Read more »

Gao W, Emaminejad S, Nyein HY, Challa S, Chen K, Peck A, Fahad HM, Ota H, Shiraki H, Kiriya D.... (2016) Fully integrated wearable sensor arrays for multiplexed in situ perspiration analysis. Nature, 529(7587), 509-14. PMID: 26819044  

Yokota T, Zalar P, Kaltenbrunner M, Jinno H, Matsuhisa N, Kitanosako H, Tachibana Y, Yukita W, Koizumi M, & Someya T. (2016) Ultraflexible organic photonic skin. Science advances, 2(4). PMID: 27152354  

  • February 26, 2016
  • 10:00 AM
  • 1,154 views

Ο οίκος των Αχαιμενιδών

by Perikis Livas in Chilon

Το ερέθισμα των Περσικών πολέμων (502-449 π.Χ) και η ανέλπιστη νίκη των Ελλήνων, έβγαλαν την κυρίως Ελλάδα από τ&e........ Read more »

Chilon. (2016) Ο οίκος των Αχαιμενιδών. Chilon . info:/

  • February 18, 2016
  • 10:00 AM
  • 1,141 views

Η Ιερά Εξέταση

by Perikis Livas in Chilon

Η Ιερά Εξέταση ήταν Εκκλησιαστικός θεσμός δικαστικού χαρακτήρα της Ρωμαιοκαθολικής Εκκλησί&al........ Read more »

Chilon-Pitheys. (2016) Η Ιερά Εξέταση. Chilon . info:/

  • February 5, 2016
  • 10:00 AM
  • 936 views

Ανδρέας Βεσάλιος………..ο ιδρυτής της σύγχρονης α&

by Perikis Livas in Chilon

Ο Ανδρέας Βεσάλιος (Andreas Vesalius, γνωστός και ως Βεζάλιος ή Βεζάλ) γεννήθηκε την 31 Δεκεμβρίου 1514, ή νωρίς το πρ&ome........ Read more »

Πυθεύς. (2016) Ανδρέας Βεσάλιος……….ο ιδρυτής της σύγχρονης ανατομίας. Chilon . info:/

  • May 7, 2015
  • 06:41 AM
  • 1,446 views

Missing link in the evolution of complex cells discovered

by Perikis Livas in Chilon

In a new study, published in Nature this week, a research team led from Uppsala University in Sweden presents the discovery of a new microbe that represents a missing link in the evolution of complex life. The study provides a new understanding of how, billions of years ago, the complex cell types that comprise plants, fungi, but also animals and humans, evolved from simple microbes.



Νεα μελέτη, η οποία &epsi........ Read more »

Spang, A., Saw, J., Jørgensen, S., Zaremba-Niedzwiedzka, K., Martijn, J., Lind, A., van Eijk, R., Schleper, C., Guy, L., & Ettema, T. (2015) Complex archaea that bridge the gap between prokaryotes and eukaryotes. Nature. DOI: 10.1038/nature14447  

  • April 29, 2015
  • 06:01 PM
  • 1,399 views

Robot Discovers Two New Neighbors

by Perikis Livas in Chilon

Maunakea, Hawaii – A team of astronomers using ground-based telescopes in Hawaii, California, and Arizona recently discovered a planetary system orbiting a nearby star that is only 54 light-years away. All three planets orbit their star at a distance closer than Mercury orbits the sun, completing their orbits in just 5, 15, and 24 days. The paper is being published in the Astrophysical Journal.... Read more »

Benjamin J. Fulton, Lauren M. Weiss, Evan Sinukoff, Howard Isaacson, Andrew W. Howard, Geoffrey W. Marcy, Gregory W. Henry, Bradford P. Holden, & Robert I. Kibrick. (2015) Three Super-Earths Orbiting HD 7924. Astrophysical Journal. arXiv: 1504.06629v1

  • April 24, 2015
  • 01:55 PM
  • 1,698 views

Hubble's 25th anniversary

by Perikis Livas in Chilon

Δεδομένης της ολοκλήρωσης των 25 χρόνων λειτουργίας του, παρουσιάζονται μερικές από τις σημαντ&iota........ Read more »

Periklis D. Livas. (2015) Hubble's 25th anniversary. Chilon. info:/

  • April 22, 2015
  • 12:29 PM
  • 1,016 views

Microwave goodbye to inefficient spintronic microwave detectors

by Bryn Howells in Spin and Tonic

Magnetic tunnel junctions (MTJs) which comprise of a free magnetic layer (whose magnetization orientation can be manipulated) and a fixed magnetic layer (whose magnetization is...
The post Microwave goodbye to inefficient spintronic microwave detectors appeared first on Spin and Tonic.
... Read more »

  • April 18, 2015
  • 04:45 AM
  • 1,345 views

Major Advance in Artificial Photosynthesis

by Perikis Livas in Chilon

A potentially game-changing breakthrough in artificial photosynthesis has been achieved with the development of a system that can capture carbon dioxide emissions before they are vented into the atmosphere and then, powered by solar energy, convert that carbon dioxide into valuable chemical products, including biodegradable plastics, pharmaceutical drugs and even liquid fuels.... Read more »

  • April 15, 2015
  • 10:00 AM
  • 1,339 views

Η μάχη του Towton (29 Μαρτίου 1461)

by Perikis Livas in Chilon

Η περίοδος πολιτικής αστάθειας της Αγγλικής ιστορίας γνωστή ως Πόλεμος των Ρόδων, μετουσιώθη&k........ Read more »

Περικλής Δημ. Λιβάς. (2015) Η μάχη του Towton (29 Μαρτίου 1461). Chilon Historical Recursions. info:/

  • April 8, 2015
  • 03:48 PM
  • 921 views

The heat is magnon at magnetic/non-magnetic interfaces

by Bryn Howells in Spin and Tonic

A magnon is a quantised spin wave, i.e. a collective excitation of the spin angular momentum that is associated with electrons in a crystal structure. ...
The post The heat is magnon at magnetic/non-magnetic interfaces appeared first on Spin and Tonic.
... Read more »

Scott A. Bender and Yaroslav Tserkovnyak. (2015) Interfacial spin and heat transfer between metals and magnetic insulators. Physical Review B, 140402. info:/

  • April 1, 2015
  • 06:36 PM
  • 934 views

Drifting towards spintronic polarimeters

by Bryn Howells in Spin and Tonic

In electronics, a drift current is one where the motion of charge carriers is dictated by an applied electric field. In contrast, a diffusive current...
The post Drifting towards spintronic polarimeters appeared first on Spin and Tonic.
... Read more »

Nádvorník, L., Haigh, J., Olejník, K., Irvine, A., Novák, V., Jungwirth, T., & Wunderlich, J. (2015) Efficient conversion of light to charge and spin in Hall-bar microdevices. Physical Review B, 91(12). DOI: 10.1103/PhysRevB.91.125205  

  • March 27, 2015
  • 10:00 AM
  • 2,064 views

Οι Κομάντσι – Comanche

by Perikis Livas in Chilon

Η ιστορία του Τέξας αναδεικνύει τον σημαντικό ρόλο που διαδραμάτισαν κατά το χρονικό διάστημα μετ&alp........ Read more »

Περικλής Δημ. Λιβάς. (2015) Οι Κομάντσι - Comanche. Chilon. info:/

  • March 19, 2015
  • 11:39 AM
  • 898 views

Heusler alloys: A hot topic

by Bryn Howells in Spin and Tonic

A-Heusler there matey Heusler materials are becoming increasingly interesting for use in spintronics.  These materials have X2YZ stoichiometry (where Y is a magnetic ion) and...
The post Heusler alloys: A hot topic appeared first on Spin and Tonic.
... Read more »

Kento Yamasaki1, Soichiro Oki1, Shinya Yamada1, Takeshi Kanashima1, and Kohei Hamaya1. (2015) Spin-related thermoelectric conversion in lateral spin-valve devices with single-crystalline Co2FeSi electrodes . Applied Physics Express, 43003. info:/

  • March 13, 2015
  • 02:20 AM
  • 1,228 views

How photosynthesis is inspiring solar power research

by GrrlScientist in Maniraptora

SUMMARY: To meet humanity’s growing energy demands, scientists are taking lessons from plants, which perfected the process of capturing the sun’s rays and transforming that into starch. Might scientists be able to adapt the photosynthetic process pioneered by plants and adapt it to meet human demands? ... Read more »

Barber James. (2007) Biological solar energy. Philosophical Transactions of the Royal Society A, 1007-1023. DOI: 10.1098/rsta.2006.1962  

Porter G. (1966) Studies of Triplet Chlorophyll by Microbeam Flash Photolysis. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 295(1440), 1-12. DOI: http://dx.doi.org/10.1098/rspa.1966.0222  

Porter G. (1978) The Bakerian Lecture, 1977: In Vitro Models for Photosynthesis. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 362(1710), 281-303. DOI: http://dx.doi.org/10.1098/rspa.1978.0134  

Cogdell R. J., P. I. Molina, & L. Cronin. (2013) The use and misuse of photosynthesis in the quest for novel methods to harness solar energy to make fuel. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 371(1996), 20110603-20110603. DOI: http://dx.doi.org/10.1098/rsta.2011.0603  

  • March 12, 2015
  • 11:55 AM
  • 1,025 views

Interface time: Finding the source of perpendicular magnetic anisotropy

by Bryn Howells in Spin and Tonic

As touched upon in last week’s Pick of the Week, perpendicular magnetic anisotropy (PMA) may be important for spin transfer torque MRAM (STT-MRAM) as it...
The post Interface time: Finding the source of perpendicular magnetic anisotropy appeared first on Spin and Tonic.
... Read more »

  • March 10, 2015
  • 07:00 AM
  • 1,602 views

Pulling Us Toward Tractor Beams

by Mark E. Lasbury in The 'Scope

Tractor beams pulling space ships are things of science fiction, but tractor beams pulling small objects on Earth are science fact. Beams usually push things away with their force, but we have learned to manipulate them so that they push things back to the source – we can do it with water, sound and even laser light.... Read more »

Shvedov, V., Davoyan, A., Hnatovsky, C., Engheta, N., & Krolikowski, W. (2014) A long-range polarization-controlled optical tractor beam. Nature Photonics, 8(11), 846-850. DOI: 10.1038/nphoton.2014.242  

Mo Li, W. H. P. Pernice, & H. X. Tang. (2009) Tunable bipolar optical interactions between guided lightwaves. Nature Photonics. arXiv: 0903.5117v1

Démoré CE, Dahl PM, Yang Z, Glynne-Jones P, Melzer A, Cochran S, MacDonald MP, & Spalding GC. (2014) Acoustic tractor beam. Physical review letters, 112(17), 174302. PMID: 24836252  

Punzmann, H., Francois, N., Xia, H., Falkovich, G., & Shats, M. (2014) Generation and reversal of surface flows by propagating waves. Nature Physics, 10(9), 658-663. DOI: 10.1038/nphys3041  

Ruffner DB, & Grier DG. (2012) Optical conveyors: a class of active tractor beams. Physical review letters, 109(16), 163903. PMID: 23215079  

  • March 6, 2015
  • 11:27 AM
  • 901 views

MRAM catches an STT

by Bryn Howells in Spin and Tonic

After a month long absence, Pick of the Week returns with a look at a fantastic commentary article on spin-transfer torque magnetoresistive random access memory...
The post MRAM catches an STT appeared first on Spin and Tonic.
... Read more »

Kent, A., & Worledge, D. (2015) A new spin on magnetic memories. Nature Nanotechnology, 10(3), 187-191. DOI: 10.1038/nnano.2015.24  

  • March 4, 2015
  • 10:00 AM
  • 1,824 views

Μέγας Αλεξανδρος & Θάληστρις (329 π.Χ) - Alexander the Great & Thalestris - Chilon

by Perikis Livas in Chilon

Το ειδύλλιο της ατρόμητης Αμαζόνας πολέμαρχου με τον κατακτητή των συνόρων του γνωστού κόσμου τ&eta........ Read more »

Περικλής Δημ. Λιβάς. (2015) Μέγας Αλεξανδρος . Chilon. info:/

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