# trade: cryptocoin; No hoax. The "McAfee Redemption Unit" is real ...

<< Late last night, John McAfee, the official mouthpiece of the 'We love making outlandish statements' club dropped a pretty big bomb on the unsuspecting crypto community.
It all started when a little known cryptocurrency exchange  SmartPayMINT posted a photo of fiat currency with McAfee’s face on it. As far as we know it was an artist’s representation of what a probable currency would look like if it had McAfee’s face on it. >>

Aheli Raychaudhuri. McAfee Coin: Elaborate Hoax or A Stroke of ‘Don Quixote’ Genius? May 29, 2018.

https://www.crypto-news.in/opinions/mcafee-coin-elaborate-hoax-stroke-don-quixote-genius/

<< No hoax. The "McAfee Redemption Unit" is real (..) Printed on currency paper, holographs on both sides, serialized, linked to the blockchain, redeemable, convertible, collectible. >>

John McAfee (@officialmcafee). May 29, 2018 02:46

https://twitter.com/officialmcafee/status/1001444693618589696

# astro: virtual trips to strange new worlds ...

<< Are you looking for an exotic destination to visit this summer? Why not take a virtual trip to an Earth-size planet beyond our solar system with NASA's interactive Exoplanet Travel Bureau? >>

<< Kepler-186f is an Earth-size planet orbiting a small red star, which may or may not have an atmosphere >>

Tony Greicius. Take a Virtual Trip to a Strange New World with NASA. NASA-TV. May 24, 2018.

https://www.nasa.gov/feature/jpl/take-a-virtual-trip-to-a-strange-new-world-with-nasa

NASA Marshall. May 27, 2018 05:00

https://twitter.com/NASA_Marshall/status/1000753521325731840

# phys: where a drum can vibrate and stand still at the same time ...

<< Mechanical vibrations, such as those that create the sound from a drum, are an important part of our everyday experience. Hitting a drum with a drumstick causes it to rapidly move up and down, producing the sound we hear. In the quantum world, a drum can vibrate and stand still at the same time >>

Hayley Dunning. Can a quantum drum vibrate and stand still at the same time? Imperial College London. May 18, 2018.

https://m.phys.org/news/2018-05-quantum-vibrate.html

<< to control  the motion of  macroscopic mechanical resonators (..) to explore and exploit quantum phenomena at a macroscopic scale >>

Ringbauer M, Weinhold TJ, et al. Generation of mechanical interference fringes by multi-photon counting. New Journal of Physics. 2018; 20. May 18, 2018.

http://iopscience.iop.org/article/10.1088/1367-2630/aabb8d/meta

FonT

ecco una sfida per un percussionista  indiano ...(Dha, Dhin, Ta, Tin, Ti, ...)

# acad: the matthew effect vs perpetual novelties

<< Why do scientists with similar backgrounds and abilities often end up achieving very different degrees of success? A classic explanation is that academic achievement exhibits a “Matthew effect”: Early successes increase future success chances.>>

AA << results show that winners just above the funding threshold accumulate more than twice as much funding during the subsequent eight years as nonwinners with near-identical review scores that fall just below the threshold. >>

Thijs Bol, Mathijs de Vaan, and Arnout van de Rijt. The Matthew effect in science funding. PNAS May 8, 2018. 115 (19) 4887-90. doi: 10.1073/pnas.1719557115.

http://www.pnas.org/content/115/19/4887

Sam Zuckerman. How success breeds success in the sciences. University of California, Berkeley. Apr 27, 2018.

https://m.phys.org/news/2018-04-success-sciences.html

FonT

the "Matthew effect" esteso nel qualsivoglia contesto (vale a dire: rendita di posizione stabile, carriera professionale certa, esercizio del potere di cooptazione, accesso privilegiato a risorse pubbliche e private) vs (ipotetiche entita' AI.qu.cpu autonome, costo base 10-100 usd, emivita 10y) ... come si auto giustifichera' lo status di una futura classe dirigente? Sara' sufficiente il conforto, l'appoggio sottotraccia della "famiglia",  la disponibilita' alla sottomissione/ compromesso "a prescindere", l'eventuali abilita' di chiacchera e visibilita' sui media per stabilizzarne il potere?

# zoo: the first look at Oyster's transitional adhesive dynamics

AA << still do not have a clear picture of how these animals attach to surfaces. Efforts described herein provide the first examination of adhesion at the transition from free swimming larvae to initial substrate attachment, through metamorphosis, and on to adulthood. Two different bonding systems were found to coexist >>

Andres M. Tibabuzo Perdomo, Erik M. Alberts, et al.  Changes in Cementation of Reef Building Oysters Transitioning from Larvae to Adults. ACS Appl. Mater. Interfaces. 2018; 10 (17): 14248-53 doi: 10.1021/acsami.8b01305. Apr 13, 2018.

https://pubs.acs.org/doi/10.1021/acsami.8b01305

Kayla Zacharias. Oysters: one animal, two glues. Purdue University. May 7, 2018.

https://m.phys.org/news/2018-05-oysters-animal.html

# gst: the intricate dynamics of a splashing droplet

<< at all times, the rim thickness is governed by a local instantaneous Bond number equal to unity, defined with the instantaneous, local, unsteady rim acceleration. This criterion is found to be robust and universal for a family of unsteady inviscid fluid sheet fragmentation phenomena, from impacts of drops on various surface geometries to impacts on films >>

Wang Y, Dandekar R, et al. Universal Rim Thickness in Unsteady Sheet Fragmentation. Phys. Rev. Lett. 120, 204503. doi: 10.1103/PhysRevLett.120.204503. May 16, 2018.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.204503

<< Because all these features change constantly over a short period of time, extracting high-accuracy, unbiased measurements in the data is quite tricky (..) Classical algorithms are unable to capture all of these details >> Lydia Bourouiba.

<< In contrast, her team’s algorithms can automatically discern a splashing droplet’s rim and distinguish it from the smaller droplets that spray out from the rim, and the ligaments that form around the rim >>

Jennifer Chu. New theory describes intricacies of a splashing droplet. MIT. May 17, 2018.

http://news.mit.edu/2018/new-theory-describes-intricacies-splashing-droplet-0516

https://m.phys.org/news/2018-05-theory-intricacies-splashing-droplet.html 

# lang: we pronounce words more slowly compared with verbs and sometimes pause

AA << study naturalistic speech from linguistically and culturally diverse populations from around the world >>

AA <<  show a robust tendency for slower speech before nouns as compared with verbs >>

Frank Seifart, Jan Strunk, et al.  Nouns slow down speech across structurally and culturally diverse languages. PNAS. doi: 10.1073/pnas.1800708115. May 14, 2018.

http://www.pnas.org/content/pnas/early/2018/05/09/1800708115/F1.large.jpg

http://www.pnas.org/content/early/2018/05/09/1800708115

<< English is peculiar (..) It can never be representative of human language in general >> Frank Seifart

<< In the years to come, as society grows more complex, the number of nouns available to us may grow exponentially. The diversity of its speakers, not so much >>

Alan Burdick. Why Nouns Slow Us Down, and Why Linguistics Might Be in a Bubble.  May 15, 2018.

https://www.newyorker.com/elements/lab-notes/why-nouns-slow-us-down-and-why-linguistics-might-be-in-a-bubble

# astro: crazy chaotic encounters (and megamerger)

<< Binary black holes are basically like giant targets hanging out in the cluster, and as you throw other black holes or stars at them, they undergo these crazy chaotic encounters >>

<< What people had done in the past was to treat this as a purely Newtonian problem, (..)  Newton’s theory of gravity works in 99.9 percent of all cases. The few cases in which it doesn’t work might be when you have two black holes whizzing by each other very closely, which normally doesn’t happen in most galaxies >> Carl Rodriguez

Jennifer Chu. Dense stellar clusters may foster black hole megamergers. MIT News Office. Apr 10, 2018.

http://news.mit.edu/2018/dense-stellar-clusters-may-foster-black-hole-megamergers-0410

Carl L. Rodriguez, Pau Amaro-Seoane, et al. Post-Newtonian Dynamics in Dense Star Clusters: Highly-Eccentric, Highly-Spinning, and Repeated Binary Black Hole Mergers.

Phys. Rev. Lett. 120, 151101 (2018). doi: 10.1103/PhysRevLett.120.151101.

arXiv:1712.04937 [astro-ph.HE]. Mar 14, 2018

https://arxiv.org/abs/1712.04937

# astro: a theoretical model of the final game: it will turn into gas and dust

AA << predict [the Sun] will turn into a massive ring of luminous, interstellar gas and dust, known as a planetary nebula >>

<< This is a nice result. Not only do we now have a way to measure the presence of stars of ages a few billion years in distant galaxies, which is a range that is remarkably difficult to measure, we even have found out what the sun will do when it dies! >> Albert Zijlstra

University of Manchester. What will happen when our sun dies? May 7, 2018.

https://m.phys.org/news/2018-05-sun-dies.html

K. Gesicki, A. A. Zijlstra & M. M. Miller Bertolami. The mysterious age invariance of the planetary nebula luminosity function bright cut-off. Nature Astronomy. doi: 10.1038/s41550-018-0453-9. May 07, 2018.

https://www.nature.com/articles/s41550-018-0453-9

# brain: creativity, neural patterns involved in Jazz improvisation

<< "I had always intuitively understood that the creative process in jazz improvisation is very different than the process of memorization," he (Charles Limb) explained. "That is immediately apparent when you play" >>

<< While the musicians improvised, the parts of the brain that allow humans to express ourselves - the medial prefrontal cortex or "default network" - became more active. At the same time, the part of the brain responsible for self-inhibition and control, the dorsolateral prefrontal cortex, became dormant. >>

<< By inhibiting the part of the brain that allows self-criticism, the musicians were able to stay in their creative flow, known as "in the zone." >>

Sandee LaMotte, CNN. Jazz improv and your brain: The key to creativity?  Apr 29, 2018.

https://edition-m.cnn.com/2018/04/29/health/brain-on-jazz-improvisation-improv/index.html

Charles J. Limb, Allen R. Braun. Neural Substrates of Spontaneous Musical Performance: An fMRI Study of Jazz Improvisation.  PLOS ONE 3(2): e1679.  doi: 10.1371/journal.pone.0001679. Feb 27, 2008.

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0001679  

Also

# brain: about creativity in musical improvisation.  Apr 6, 2018.

https://flashontrack.blogspot.it/2018/04/brain-about-creativity-in-musical.html

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

https://inkpi.blogspot.it/2007/02/2117-la-destra-e-la-sinistra-di-hines.html

# behav: individual warning recognition among Jackdaws

<< Jackdaws recognise each other's voices and respond in greater numbers to warnings from familiar birds than strangers >>

AA << have discovered that each bird has a unique call, and the size of the mob depends on which bird calls the warning >>

University of Exeter. Angry birds: Size of jackdaw mobs depends on who calls warning. May 10, 2018.

https://m.phys.org/news/2018-05-angry-birds-size-jackdaw-mobs.html

<< (..) so the identity of the initiator may determine the magnitude of the group response >>

Richard D. Woods, Michael Kings, et al. Caller characteristics influence recruitment to collective anti-predator events in jackdaws. Scientific Reports.  8 : 7343 (2018). doi: 10.1038/s41598-018-25793-y

https://www.nature.com/articles/s41598-018-25793-y

FonT

quindi le taccole discriminano   l'individuo che lancia l'allarme, come per dare "un peso" alla veridicita' del segnale; se le taccole hanno una sorta di approccio analitico per la gestione del rumore legato al messaggio, significa che sanno gestire le "fake news" ... come gli umani, anzicheforse ...

# brain: exploring a cold-blooded reptile using functional MRI: crocodiles listen to classical music

AA << exposed the animals to various visual and auditory stimuli, including classical music by Johann Sebastian Bach. At the same time, they measured the animals' brain activity. The results have shown that additional brain areas are activated during exposure to complex stimuli such as classical music - as opposed to exposure to simple sounds. The processing patterns strongly resemble the patterns identified in mammals and birds in similar studies >>

Ruhr-Universitaet-Bochum. Crocodiles listen to classical music in MRI scanner. May 3, 2018

https://m.phys.org/news/2018-05-crocodiles-classical-music-mri-scanner.html

Mehdi Behroozi, Brendon K. Billings, et al. Functional MRI in the Nile crocodile: a new avenue for evolutionary neurobiology. Proc Royal Soc B Biol Sci. doi: 10.1098/rspb.2018.0178. Apr 25, 2018.

http://rspb.royalsocietypublishing.org/content/285/1877/20180178.article-info

# gst: the dance of complex knots (in DNA), from mobile to jammed states

AA << show for the first time experimentally that knots can go from a mobile to a jammed state by varying an applied strain rate, and that this jamming is reversible >>

Alexander R. Klotz, Beatrice W. Soh, and Patrick S. Doyle. Motion of Knots in DNA Stretched by Elongational Fields.  Phys. Rev. Lett. 120, 188003. May 3, 2018.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.188003

Anne Trafton. Chemical engineers discover how to control knots that form in DNA molecules. Massachusetts Institute of Technology. May 3, 2018.

https://m.phys.org/news/2018-05-chemical-dna-molecules.html

# behav: group’s dominance hierarchy seems statistically non-linear (among chimps)

<< Through agonistic networks, [AA] found that group members reciprocally exhibited agonism, and the group’s dominance hierarchy was statistically non-linear. One chimpanzee emerged as the most dominant through agonism but was least connected to other group members across affiliative networks.  [AA] results indicate that the conventional methods used to calculate individuals' dominance rank may be inadequate to wholly depict a group's social relationships in captive sanctuary populations >>

Jake A. Funkhouser, Jessica A. Mayhew, John B. Mulcahy. Social network and dominance hierarchy analyses at Chimpanzee Sanctuary Northwest. PLoS One. 2018 Feb 14; 13(2):e0191898. doi: 10.1371/journal.pone.0191898. eCollection 2018.

https://www.ncbi.nlm.nih.gov/pubmed/29444112 

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0191898

# brain: chaotic scanning and tiny wobbles during (ocular) vision

<< When we read, our eyes don’t scan a page smoothly but perform a series of jumps, darting from one section of text to another. After each jump, known as a saccade, the pupil typically wobbles for a moment. Now researchers have developed a model for this wobble that involves only physical characteristics of the eyeball >>

Why Your Pupils Wobble. Apr 27, 2018

https://physics.aps.org/articles/v11/41

Bouzat S, Freije ML, et al. Inertial Movements of the Iris as the Origin of Postsaccadic Oscillations. Phys Rev  Lett. 120, 178101. doi: 10.1103/PhysRevLett.120.178101 Apr 27, 2018.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.178101

Also

2146 - is not as simple as one might think (chaos in reading). Sep11, 2007.

http://inkpi.blogspot.it/2007/09/2146-is-not-as-simple-as-one-might.html

# game: the ineffable creativity of the coin toss approach

<< A new proof by SFI Professor David  Wolpert sends a humbling message to  would-be super intelligences: you can't  know everything all the time >>

<< "What if Epimenides had said 'the probability that a Cretan is a liar is greater than x percent?'" Moving from impossibility to probability could tell us whether knowing one thing with greater  certainty inherently limits the ability to know another thing. According to  Wolpert, "we are getting some very intriguing results." >>

Jenna  Marshall. New proof reveals  fundamental limits of scientific knowledge. Santa Fe Institute. May 3,  2018.

https://m.phys.org/news/2018-05-proof-reveals-fundamental-limits-scientific.html

FonT

"(...) the probability that a Cretan is a liar is greater than x percent?". In tal caso se, per approcciare il paradosso di Epimenide, ci si affida preliminarmente, in prima approx, all'esito di lancio di moneta, ci si predispone a una sorta di sperimentale, al buio, pulsatile "car spinning" all'interno di scenari caratterizzati da dinamiche (anche) bi- multiforcate. Un approccio funzionale al reale ignoto, per dire, liberati da iniziali disdicevoli pre- giudizi ...

Also

"soniche a ramulo"

https://inkpi.blogspot.it/search?q=jelly+roll&m=1

"ramificata tinnula"

https://inkpi.blogspot.it/2005/06/1668-ramificata-tinnula-di-carmina.html

"never boring with chaos and tit-for-tat theories"

https://flashontrack.blogspot.it/2016/06/s-gst-never-boring-with-chaos-and-tit.html

# brain: pulsatile curiosity

<< The most surprising association offered new insight: Children with lower socioeconomic status generally have lower achievement than peers, but those who were characterized as curious performed similarly on math and reading assessments as children from higher income families. Our results suggest that while higher curiosity is associated with higher academic achievement in all children, the association of curiosity with academic achievement is greater in children with low socioeconomic status >> Prachi Shah.

University of Michigan. Study explores link between curiosity and school achievement. Apr 30, 2018.

https://m.phys.org/news/2018-04-explores-link-curiosity-school.html

Prachi E. Shah, Heidi M. Weeks, et al. Early childhood curiosity and kindergarten reading and math academic achievement. Pediatric Research. doi: 10.1038/s41390-018-0039-3. Apr 26, 2018.

https://www.nature.com/articles/s41390-018-0039-3

# gst phys rmx : finding inspiration in atmospheric whistles (to stop particles to run away)

<< The challenge of fusion energy is often equated to capturing- and holding-lightning in a bottle. The analogy is apt. Lightning and a fusion energy plasma have a lot in common >> [1]

AA << found another characteristic shared between the two types of plasmas: an odd electromagnetic wave known as a whistler >> [1]

<< Intermittent bursts of activity indicate that whistlers are interacting with relativistic electrons in a cyclic manner >> [1]

<< The mode amplitudes show intermittent time variations correlated with changes in the electron cyclotron emission that follow predator-prey cycles >> [2]

<< the Team thinks there is a way to inject whistlers into a plasma to control runaway electrons. The whistlers would bleed energy from the particles, making them less likely to run away. The whistlers would bleed energy from the particles, making them less likely to run away.>> [1]

[1] - US Department of Energy. Fusion scientists find inspiration in atmospheric whistles. May 3, 2018.   https://m.phys.org/news/2018-05-fusion-scientists-atmospheric.html

[2] - Spong DA, Heidbrink WW, et al. First Direct Observation of Runaway-Electron-Driven Whistler Waves in Tokamaks. Phys. Rev. Lett. 120, 155002 - Publ. Apr 11, 2018.    https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.155002