venerdì 23 giugno 2017

# s-gst: coupled solitons jiggle like molecules

<< The first direct observations of how "molecules of light" can vibrate have been made by >> AA << who have characterized the motions of soliton laser pulses that interact with each other in an optical fibre >>

Hamish Johnston. 'Molecules' of light wiggle and jiggle. Jun 19, 2017.

AA << map the internal motion of a soliton pair molecule [..] revealing different categories of internal pulsations, including vibrationlike and phase drifting dynamics >>

AA results << agree well with numerical predictions and bring insights to the analogy between self-organized states of lights and states of the matter >>

Katarzyna Krupa, K. Nithyanandan, et al. Real-Time Observation of Internal Motion within Ultrafast Dissipative Optical Soliton Molecules. Phys. Rev. Lett. 118, 243901 doi: 10.1103/PhysRevLett.118.243901 Publ. 13 June 2017.

giovedì 22 giugno 2017

# e-bot: mimicking the structure of the "powdery alligator-flag" (Thalia dealbata)

<< Versatile, light-weight materials that are both strong and resilient are crucial for the development of flexible electronics, such as bendable tablets and wearable sensors. Aerogels are good candidates for such applications, but until now, it's been difficult to make them with both properties. Now, researchers report in ACS Nano that mimicking the structure of the "powdery alligator-flag" plant [Thalia dealbata] has enabled them to make a graphene-based aerogel that meets these needs. >>

Plant inspiration could lead to flexible electronics. June 21, 2017

Miao Yang, Nifang Zhao, et al. Biomimetic Architectured Graphene Aerogel with Exceptional Strength and Resilience. ACS Nano
doi: 10.1021/acsnano.7b01815 Publ. June 21, 2017

mercoledì 21 giugno 2017

# s-behav: inequity aversion in wolves and dogs

<< inequity aversion was present already in the common—probably cooperative—ancestor of wolves and dogs and thus support the hypothesis of a close link of cooperation and inequity aversion >>

Jennifer L. Essler, Sarah Marshall-Pescini, et al.  Domestication Does Not Explain the Presence of Inequity Aversion in Dogs. Current Biology, Volume 27, Issue 12, 1861 - 1865.e3 Publ. June 8, 2017 doi: 10.1016/j.cub.2017.05.061

Sensitivity to inequity is in wolves’ and dogs’ blood. 08.06.2017

martedì 20 giugno 2017

# s-behav: individuality among Amazon mollies

<< Genetically identical Amazon mollies raised individually and under identical environmental conditions, nevertheless develop different personality types. Additionally, increasing the opportunity for social interactions early in life appears to have no influence of the magnitude of personality variation. >>

AA << team used the Amazon molly, a livebearing Poecilid species. These animals are natural clones, meaning all the offspring of one mother have exactly the same genetic material. >>

Same genes, same environment, different personality: Is  individuality unavoidable? May  17,  2017

David Bierbach, Kate  L.  Laskowski, Max  Wolf. Behavioural  individuality  in  clonal  fish arises  despite  near-identical  rearing conditions. Nature Comm. 8, Article  number:  15361  (2017)  doi :10.1038/ncomms15361 Publ. 17  May  2017

lunedì 19 giugno 2017

# s-brain: all rely on one central function: emulation

<< Our brain's fronto-parietal network is responsible for a range of highly diverse functions, from planning and executing movements to mental rotation, and from spatial attention to working memory. But how can a single network participate in such a wide variety of functions? >>

[AA]  << have recently put forward an original hypothesis — all these cognitive functions rely on one central function: emulation. This function creates an abstract dynamic 'image' of movements, thereby enabling the brain to strengthen its motor skills and construct a precise and lasting representation of them. >>

Acting and thinking — are they the same for our brain?

Radek Ptak, Armin Schnider, Julia Fellrath. The Dorsal Frontoparietal Network: A Core System for Emulated Action. Trends in Cognitive Sciences. Publ. June 01, 2017. doi: 10.1016/j.tics.2017.05.002

domenica 18 giugno 2017

# e-ai: an intriguing hypothesis: cheating that system will become near impossible

<< Blockchain is an online global  database that anyone with an  internet connection can use  anywhere in the world. Unlike  traditional databases that are  owned by central figures like  banks and governments a  blockchain doesn’t belong to  anyone. And with an entire  network looking after it, cheating  the system by faking documents, transactions and other  information will become near  impossible. >>

Magdalena  Gjoshevska. Will the Blockchain Technology transform our economy?

FonT: in pratica l'ipotetica morte "funzionale" dell'attuale sistema bancario ...

sabato 17 giugno 2017

# e-web: a space-based quantum internet, the begin

<< a team of physicists reports that it sent eerily intertwined quantum particles from a satellite to ground stations separated by 1200 kilometers, smashing the previous world record >>

<< Entanglement involves putting objects in the peculiar limbo of quantum superposition, in which an object's quantum properties occupy multiple states at once: like Schrödinger's cat, dead and alive at the same time. Then those quantum states are shared among multiple objects. Physicists have entangled particles such as electrons and photons, as well as larger objects such as superconducting electric circuits >>

Gabriel Popkin. China’s quantum satellite achieves ‘spooky action’ at record distance. Jun. 15, 2017.

Juan Yin, Yuan Cao, et al. Satellite-based entanglement distribution over 1200 kilometers. Science  16 Jun 2017: Vol. 356, Issue 6343, pp. 1140-1144 doi: 10.1126/science.aan3211

venerdì 16 giugno 2017

# n-soc: inside a demonetized world, every(?)thing cheap or free, by Peter ...

<< At Singularity University's Exponential Finance Summit in New York [..], Diamandis [Peter Diamandis] talked about the broad and specific trends he believes are leading to a demonetized world >>

<< The counterbalance to technological unemployment [..] is the demonetization of living — in other words, pretty much everything we need and do in our day-to-day lives is becoming radically cheaper, if not free, and technology's making it happen >>

Vanessa Bates Ramirez. Technology Will Erase Jobs — But Also Make Everything Cheap or Free. Jun  08,  2017

giovedì 15 giugno 2017

# s-behav: flow of non-verbal information among musicians

AA << demonstrated that musicians assigned as leaders affect other performers more than musicians assigned as followers. These effects were present during performance, when musicians could only hear each other, but were magnified when they could also see each other >>

Andrew Chang, Steven R. Livingstone, et al. Body sway reflects leadership in joint music performance. PNAS 2017; 114(21): E4134–E4141.

mercoledì 14 giugno 2017

# s-phys: beyond the Standard Model, a hypothesis

<< A fundamental assumption of the Standard Model is that the interactions of these elementary particles [ leptons: electrons, muons and taus ] are the same despite their different masses and lifetimes >>

<< A new review of results from three experiments points to the strong possibility that lepton universality — and perhaps ultimately the Standard Model itself — may have to be revised >>

<< The rates for some decays involving the heavy lepton tau, relative to those involving the light leptons — electrons or muons — were higher than the Standard Model predictions >>

Julie Cohen. Not So Elementary. June 8, 2017

Gregory Ciezarek, Manuel Franco Sevilla, et al. A challenge to lepton universality in B-meson decays.     Nature 546, 227–233 (08 June 2017) doi: 10.1038/nature22346
Publ. 07 June 2017

martedì 13 giugno 2017

# s-gst: imaging a soliton, first in the centre (of the condensate) rather than at the edges

<< When a periodic waveform is subjected to small perturbations to its amplitude and phase, any nonlinearity in the system can lead to its fragmentation — a so-called modulation instability. The phenomenon often results in the formation of solitons — self-reinforcing solitary wave packets — aligned in a train >>

AA << found that [ in ultracold 7Li atoms ] solitons developed first in the centre of the condensate rather than at the edges, suggesting that the seed for the modulation instability is dominated by noise, which may be technical, thermal or quantum in origin >>

Yun Li. Ultracold gases. Search for the seed. doi:10.1038/nphys4172

Jason H. V. Nguyen, De Luo, Randall G. Hulet. Formation of matter-wave soliton trains by modulational instability. Science 2017, 356 (6336), 422–426. doi: 10.1126/science.aal3220. 28 Apr 2017.

lunedì 12 giugno 2017

# s-phys: photonic ('natural') intelligence: a laser chaos can make decisions

<< [..] over the past several years, researchers have demonstrated that physical objects [..] can also "make decisions" by responding to feedback from their environments >>

AA << has demonstrated that the ultrafast, chaotic oscillatory dynamics in lasers makes these devices capable of decision making and reinforcement learning, which is one of the major components of machine learning >>

<< [..] this is the first demonstration of ultrafast photonic decision making or reinforcement learning, and it opens the doors to future research on "photonic intelligence" >>

AA << utilize the computational power inherent in physical phenomena [..] The computational power of physical phenomena is based on 'infinite degrees of freedom,' and its resulting 'nonlocality of interactions' and 'fluctuations'  >>

AA << call such systems 'natural Intelligence' in contrast to artificial intelligence" >>

Lisa Zyga. Researchers investigate decision-making by physical phenomena. June  2,  2017.

Makoto Naruse, Yuta Terashima, et al. Ultrafast photonic reinforcement learning based on laser chaos. arXiv:1704.04379 [physics.optics]

sabato 10 giugno 2017

# n-art: works in the moment, by Brett

<< “There’s definitely something about working en plein air,” he [Brett Mason] said. “You get a lot of the sights, the sounds, the smells. You’re really kind of involved in the picture.” >>

Allyson Ruggieri, Alexander Popichak, et al. The Three Rivers Arts Festival Brings Color And Whimsy To Pittsburgh. Jun 6, 2017


<< You’re really kind of involved in the picture >> immagine questa che potrebbe ricordare una sorta di immediato Satori; forse e' per questi transitori, ispirati "stati della mente" che certe acicliche  "visioni d'artista" (all'interno del qualsivoglia gomitolo quasistocastico) sono talvolta in-credibilmente "predittive", dirompenti, micidiali perfino ...

giovedì 8 giugno 2017

# p-usa: a placebo effect (2): a rosy picture of POTUS Donald’s 2020 re-election prospects.

<< The White House was bracing for another chaotic week in Washington, awaiting potentially explosive public testimony from the ex-FBI director Donald Trump fired last month.  But nearly 400 miles away, his daughter-in-law  was home in North Carolina, painting a rosy picture of the president’s re-election prospects >>

<< No matter that in Washington, many Republicans are so deeply anxious about whether Donald Trump will damage the 2018 congressional election climate that they can't fathom talking about 2020. With the DC-based Trump family embroiled in crisis after crisis, Lara Trump has taken to the road and to the airwaves,
... >>

Katie Glueck. The face of Donald Trump’s 2020 campaign. Jun 07, 2017


the placebo effect (1):

# p-usa: POTUS race: immediatly, they introduced a placebo within: the "Melania Effect" ... Nov.4, 2016

mercoledì 7 giugno 2017

# s-game: on inspired, then systematic and bounded, generation of "errors" ...

<< When a musician improvises, “the prefrontal cortex is engaged, and one of its functions is conscious self-monitoring, censoring your output (..) That area of the brain is shutting down >>

<< Improvising well means a musician has to shut up the part of the brain that would typically be worried about “wrong” notes, enabling him or her to more easily let go >> Charles Limb

Kristen Page-Kirby. Jazz improvisation (and other types, too) will change your brain. June 1, 2017

Sound Health: Music and the Mind — The Future of Music and the Mind.  June 3, 2017.


2117 - la destra e la sinistra di Hines. Feb. 02, 2007

2124 - attrattore cooperativo bipolare (nell' elastici spigoli). Mar.  05, 2007

"polillo" in:

martedì 6 giugno 2017

# s-cell: turning stem cells into whatever you want (!)

<< an international team of researchers has a two-part system that can convert the cells to the targets and then remove the remnants of that conversion, leaving only the desired DNA behind to duplicate >>

AA << are using a Tet-On 3G inducible PiggyBac system that is a plasmid they named XLone to achieve insertion, activation and removal >>

A'ndrea Elyse Messer. Two-part system turns stem cells into whatever you want. June 5, 2017

Lauren N. Randolph, Xiaoping Bao, et al. An all-in-one, Tet-On 3G inducible PiggyBac system for human pluripotent stem cells and derivatives. Scientific Reports 7, Article number: 1549 (2017) doi: 10.1038/s41598-017-01684-6

lunedì 5 giugno 2017

# s-chem: solar fuels, a catalytic "dance" to drive

AA << have identified a rapid electronic process that could aid the water-splitting reaction in cobalt-containing catalysts. Cobalt catalysts are relatively inexpensive and could replace more expensive precious metal catalysts in the production of clean energy, most notably solar fuels >>

Chemical "dance" of cobalt catalysis could  pave way to solar fuels. June  3,  2017

Casey N. Brodsky, Ryan  G. Hadt, et al. In situ characterization of cofacial Co(IV) centers in CoO cubane: modeling the high-valent active site in oxygen-evolving catalysts.  PNAS (2017) vol. 114 no. 15  pp. 3855–3860 doi: 10.1073/pnas.1701816114

sabato 3 giugno 2017

# n-soc: Andrew calling: the rebellion against Potus Donald's (chaotic) transition

<< In response to news that the United States will withdraw from the Paris climate agreement, Governor Cuomo [Andrew M. Cuomo] joined California Governor Edmund G. Brown and Washington Governor Jay Inslee to announce the United States Climate Alliance, a coalition that will convene U.S. states committed to taking aggressive action on climate change.  If Washington will not act on climate then the states must >>

Governor Cuomo announces the United States Climate Alliance

venerdì 2 giugno 2017

# s-behav: the multifactorial relationship system evolved in Blenny

AA << investigate the evolution of fangs, venom, and mimetic relationships in reef fishes from the tribe Nemophini (fangblennies) >>

Nicholas R. Casewell, Jeroen C. Visser, et al. The Evolution of Fangs, Venom, and Mimicry Systems in Blenny Fishes. Current Biology. Vol 27, Issue 8, p1184–1191, 24 Apr 2017

<<  It’s a good venom story >> Rich Pyle.

Christie Wilcox. Beware the blenny’s bite: scientists uncover the toxins in fang blenny venom.  Mar 30, 2017

<< Si tratta del fang blenny, o blennide dalle zanne (..) noto anche come "senza paura", perche' non sembra temere troppo i predatori >>

Gli oppioidi del blennide. Le Scienze vol 586 p 24 Giu 2017

giovedì 1 giugno 2017

# s-ecol: strange migrations

AA << analyze abundance data over time for 86 tree species/groups across the eastern United States spanning the last three decades >>

AA << show that more tree species have experienced a westward shift (73%) than a poleward shift (62%) in their abundance, a trend that is stronger for saplings than adult trees >>

Songlin Fei, Johanna M. Desprez, et al. Divergence of species responses to climate change. Sci. Adv. 2017; 3:e1603055 17 May 2017