The Mac on AnonUp.com

The Mac @TheMac

27 May, 07:23

An ideal Fermi gas is a state of matter which is an ensemble of many non-interacting fermions. Fermions are particles that obey Fermi–Dirac statistics, like electrons, protons, and neutrons, and, in general, particles with half-integer spin. These statistics determine the energy distribution of fermions in a Fermi gas in thermal equilibrium, and is characterized by their number density, temperature, and the set of available energy states. The model is named after the Italian physicist Enrico Fermi.

This physical model can be accurately applied to many systems with many fermions. Some key examples are the behaviour of charge carriers in a metal, nucleons in an atomic nucleus, neutrons in a neutron star, and electrons in a white dwarf.

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katerina_kat QZ Ventouri @KaterinaQuark

27 May, 11:45

In response The Mac to his Publication

I would like to ask you, if you want to tell me? in the corona of the sun eclipses are created by the hydrogen of the sun which is approved by the high temperature and they become plasma?

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The Mac @TheMac

27 May, 12:18

In response katerina_kat QZ Ventouri to his Publication

NASA: Physically, the chromosphere begins near the surface of the photosphere with a temperature near 4700 Celsius and a density of 1017 particles/cm3 (2x10-4 kg/m3), and at its highest level reaches a temperature near 25,000 Celsius and a lower density of 1010 particles/cm3 (2x10-11 kg/m3). But rather than being just a homogenous shell of plasma, it resembles the troposphere of our own planet Earth with complex storms and other phenomena roiling its volume from minute to minute.

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The Mac @TheMac

27 May, 12:18

In response The Mac to his Publication

The reason for this is that the magnetic fields formed at or below the surface of the photosphere are not confined to the solar surface, but extend through-out the chromosphere. Magnetic arcs, prominences and other carpets of magnetic activity repeatedly form and dissolve, releasing energy and stirring up the chromospheric plasma. Solar physicists call the chromosphere and the narrow region above it the solar ‘interface region’. It is a complex zone of plasma and magnetic field, which transmits matter and energy between the photosphere and the corona.

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The Mac @TheMac

27 May, 12:19

In response The Mac to his Publication

"magnetic activity repeatedly form and dissolve, releasing energy and stirring up the chromospheric plasma."

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The Mac @TheMac

27 May, 12:20

In response The Mac to his Publication

"with a temperature near 4700 Celsius"

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The Mac @TheMac

27 May, 12:22

In response The Mac to his Publication

At around 80 °C, a magnet will lose its magnetism and it will become demagnetized permanently if exposed to this temperature for a period, or if heated above their Curie temperature. Heat the magnet even more, and it will melt, and eventually vaporize.

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The Mac @TheMac

27 May, 12:24

In response The Mac to his Publication

Note: A dipole is a separation of opposite electrical charges. A dipole is quantified by its dipole moment (μ). A dipole moment is the distance between charges multiplied by the charge. ... The distance separating opposite electrical charges also affects the magnitude of the dipole moment.

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The Mac @TheMac

27 May, 12:26

In response The Mac to his Publication

In classical physics, the magnetic field of a dipole is calculated as the limit of either a current loop or a pair of charges as the source shrinks to a point while keeping the magnetic moment m constant. For the current loop, this limit is most easily derived from the vector potential.

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The Mac @TheMac

27 May, 12:32

In response The Mac to his Publication

Since atoms are surrounded by moving electrons, most of them act like little magnets themselves. ... All magnets have both a north and a south pole, which classifies them as dipoles. It is impossible to create a magnet with only one pole. Similar poles always repel each other, and opposite poles always attract.

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The Mac @TheMac

27 May, 12:35

In response The Mac to his Publication

It is impossible to create a magnet with only one pole... ?

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The Mac @TheMac

27 May, 12:36

In response The Mac to his Publication

An electric dipole deals with the separation of the positive and negative charges found in any electromagnetic system. A simple example of this system is a pair of electric charges of equal magnitude but opposite sign separated by some typically small distance. (A permanent electric dipole is called an electret.)

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The Mac @TheMac

27 May, 12:38

In response The Mac to his Publication

In Summary. The dipole magnets are used to bend the path of the electrons as they travel around the ring. Charged particles travelling in a magnetic field change direction. The stronger the current applied to the electromagnets, the more the electron beam is bent.

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The Mac @TheMac

27 May, 12:39

In response The Mac to his Publication

An ideal dipole consists of two opposite charges with infinitesimal separation. ... A key point is that the potential of the dipole falls off faster with distance R than that of the point charge.

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The Mac @TheMac

27 May, 12:40

In response The Mac to his Publication

The dipole consists of two point electric charges of opposite polarity

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The Mac @TheMac

27 May, 12:45

In response The Mac to his Publication

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The Mac @TheMac

27 May, 12:47

In response The Mac to his Publication

Negative affect is a broad concept that can be summarized as feelings of emotional distress (Watson, Clark, & Tellegen, 1988); more specifically, it is a construct that is defined by the common variance between anxiety, sadness, fear, anger, guilt and shame, irritability, and other unpleasant emotions.

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The Mac @TheMac

27 May, 12:48

In response The Mac to his Publication

overshadow.

verb. to be a negative feature or influence that spoils something.

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The Mac @TheMac

27 May, 12:50

In response The Mac to his Publication

deprive (someone or something) of significance or power.

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The Mac @TheMac

27 May, 12:51

In response The Mac to his Publication

an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.

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The Mac @TheMac

27 May, 12:51

In response The Mac to his Publication

a loss of significance or power in relation to another person or thing.

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The Mac @TheMac

27 May, 12:52

In response The Mac to his Publication

outshine
overshadow
put in the shade
surpass
exceed
excel
be superior to
outclass
outstrip
outdistance
outdo
top
cap
trump
transcend
tower above/over
dwarf
upstage
shame
put to shame
be head and shoulders above
be a cut above
extinguish
outrival

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The Mac @TheMac

27 May, 12:53

In response The Mac to his Publication

"a sea of blue sky violently eclipsed by showers"

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The Mac @TheMac

27 May, 12:55

In response The Mac to his Publication

blot out
block
cover
obscure
veil
shroud
hide
conceal
obliterate
darken
dim
shade
cast a shadow over
occult

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The Mac @TheMac

27 May, 12:56

In response The Mac to his Publication

be eclipsed

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The Mac @TheMac

27 May, 12:59

In response The Mac to his Publication

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The Mac @TheMac

27 May, 01:00

In response The Mac to his Publication

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Carole Davis-Z @Tallyho

27 May, 06:02

In response The Mac to his Publication

Project Blue Beam?

I am also wondering if the appearance of 'Nibiru', will be part of this ploy?

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The Mac @TheMac

27 May, 06:57

In response Carole Davis-Z to her Publication

late 16th century (in the sense ‘beak, nose’): probably from Middle Dutch nib or Middle Low German nibbe, variant of nebbe ‘beak’ (see neb).

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The Mac @TheMac

27 May, 07:01

In response The Mac to his Publication

Optical systems can be described with Maxwell's equations, and linear propagating waves such as sound or electron beams have similar wave equations. However, given the above simplifications, Huygens' principle provides a quick method to predict the propagation of a wavefront through, for example, free space. The construction is as follows: Let every point on the wavefront be considered a new point source. By calculating the total effect from every point source, the resulting field at new points can be computed. Computational algorithms are often based on this approach. Specific cases for simple wavefronts can be computed directly. For example, a spherical wavefront will remain spherical as the energy of the wave is carried away equally in all directions. Such directions of energy flow, which are always perpendicular to the wavefront, are called rays creating multiple wavefronts.

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The Mac @TheMac

27 May, 07:02

In response The Mac to his Publication

The simplest form of a wavefront is the plane wave, where the rays are parallel to one another. The light from this type of wave is referred to as collimated light. The plane wavefront is a good model for a surface-section of a very large spherical wavefront; for instance, sunlight strikes the earth with a spherical wavefront that has a radius of about 150 million kilometers (1 AU). For many purposes, such a wavefront can be considered planar over distances of the diameter of Earth.

Wavefronts travel with the speed of light in all directions in an isotropic medium.

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The Mac @TheMac

27 May, 07:05

In response The Mac to his Publication

In physics, the wavefront of a time-varying field is the set (locus) of all points where the wave has the same phase of the sinusoid. The term is generally meaningful only for fields that, at each point, vary sinusoidally in time with a single temporal frequency (otherwise the phase is not well defined).

Wavefronts usually move with time. For waves propagating in an unidimensional medium, the wavefronts are usually single points; they are curves in a two dimensional medium, and surfaces in a three-dimensional one.

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The Mac @TheMac

27 May, 07:08

In response The Mac to his Publication

the pen is mightier than the sword

writing is more effective than military power or violence

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The Mac @TheMac

27 May, 07:12

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:13

In response The Mac to his Publication

For the Round Hand and Round Text, the Pen must be knibb'd even and square, and the Slit so long (yet the Point so strong) as on the least Pressure the Stroke may enlarge and display, or return to itself; the Knib being the Width of the Body-stroke of your Writing.

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The Mac @TheMac

27 May, 07:15

In response The Mac to his Publication

Mr. John Isaac Hawkins — an American by birth, though for nearly forty years a resident of Europe, chiefly of England, and now in this country in a vigorous old age — claims the original invention of the project of so forming a Pen from Gold as to render its point, or knib, thoroughly indestructible.

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The Mac @TheMac

27 May, 07:17

In response The Mac to his Publication

indestructible (not comparable)

Not destructible; incapable of decomposition or of being destroyed; invincible.
Synonyms: undestroyable, undestructable, unbreakable, unruinable, unwreckable

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The Mac @TheMac

27 May, 07:20

In response The Mac to his Publication

unbelievable (comparative more unbelievable, superlative most unbelievable)

Not to be believed.

Incredible; so surprising it is almost unable to believe.

The most unbelievable thing happened to me today!

This restaurant makes unbelievable pasta!

Implausible or improbable.

His excuse seems rather unbelievable.

Synonyms: improbable, infeasible, unlikely

Antonyms: feasible, likely, plausible, probable

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The Mac @TheMac

27 May, 07:21

In response The Mac to his Publication

From Middle English probable, from Old French probable, from Latin probābilis (“that may be proved, credible”), from probāre (“to test, examine”); see probe, prove. Compare recent doublet provable.

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The Mac @TheMac

27 May, 07:27

In response The Mac to his Publication

A phased array ultrasound transducer is typically 2-3 cm long, consisting of 64-128 elements. It is a smaller assembly than a sequential array and can be either linear or curvilinear. ... Small delays in element firing allow for electronic field steering and focusing without moving the ultrasound probe.

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The Mac @TheMac

27 May, 07:28

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:31

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:32

In response The Mac to his Publication

late Middle English: from Middle Low German knobbe ‘knot, knob, bud’.... 🥲

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The Mac @TheMac

27 May, 07:33

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:34

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:34

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:38

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:39

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:39

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:40

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:41

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:42

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:42

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:46

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:48

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:49

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:52

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:52

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:55

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:56

In response The Mac to his Publication

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The Mac @TheMac

27 May, 07:58

In response The Mac to his Publication

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The Mac @TheMac

27 May, 08:01

In response The Mac to his Publication

tipping point?

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The Mac @TheMac

27 May, 08:03

In response The Mac to his Publication

Pointless babble?

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The Mac @TheMac

27 May, 08:05

In response The Mac to his Publication

Middle English: from Middle Low German babbelen, or an independent English formation, as a frequentative based on the repeated syllable ba, typical of a child's early speech.

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The Mac @TheMac

27 May, 08:06

In response The Mac to his Publication

Autistic children also hear fewer words at 15 months, but they do not experience more conversational turns at that age than at 9 months. These children may produce fewer vocalizations than typical children do and respond less frequently to parents' speech.

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The Mac @TheMac

27 May, 08:17

In response The Mac to his Publication

Our ability to speak is controlled in the sensorimotor cortex, part of the brain's cerebral cortex.

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The Mac @TheMac

27 May, 08:26

In response The Mac to his Publication

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The Mac @TheMac

27 May, 08:28

In response The Mac to his Publication

When an electric current is applied to a piezoelectric crystal, it starts to vibrate and these vibrations generate sound waves with frequencies between 1.5 and 8 MHz (i.e ultrasound). Thus, piezoelectric crystals can convert electric currents into ultrasound waves.

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The Mac @TheMac

27 May, 08:29

In response The Mac to his Publication

A team of researchers at the University of Arizona has found that low-intensity ultrasound waves directed at a particular region of the brain's prefrontal cortex in healthy subjects can elevate mood, and decrease connectivity in a brain network that has been shown to be hyperactive in psychiatric disorders.

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The Mac @TheMac

27 May, 08:30

In response The Mac to his Publication

The results showed that 40 seconds of repetitive ultrasound changed brain activity for up to two hours. Ultrasound caused the stimulated brain area to interact more selectively with the rest of the brain. Notably, only the stimulated area changed its activity in this way.

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The Mac @TheMac

27 May, 08:31

In response The Mac to his Publication

Ultrasonic neuromodulation is a rapidly growing field, in which low-intensity ultrasound (US) is delivered to nervous system tissue, resulting in transient modulation of neural activity. ... The mechanisms by which US mechanically interacts with neurons and could affect firing are presented.

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The Mac @TheMac

27 May, 08:32

In response The Mac to his Publication

The process of normal neuronal firing takes place as a communication between neurons through electrical impulses and neurotransmitters. Such information is passed from neuron to neuron via the axons, which act like the cable or wires in your house.

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The Mac @TheMac

27 May, 08:34

In response The Mac to his Publication

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The Mac @TheMac

27 May, 08:36

In response The Mac to his Publication

Iron (/ˈaɪərn/) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table

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The Mac @TheMac

27 May, 08:37

In response The Mac to his Publication

Iron oxide nanoparticles are iron oxide particles with diameters between about 1 and 100 nanometers. The two main forms are magnetite (Fe3O4) and its oxidized form maghemite (γ-Fe2O3).

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The Mac @TheMac

27 May, 08:38

In response The Mac to his Publication

iron oxide oxidative stress brain from bmcneurosci.biomedcentral.com
by Z Yarjanli · 2017 · Cited by 101 — Due to the ability of iron for producing ROS, excess iron within the brain can be more dangerous than other tissues

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The Mac @TheMac

27 May, 08:40

In response The Mac to his Publication

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The Mac @TheMac

27 May, 08:41

In response The Mac to his Publication

https://www.ncbi.nlm.nih.g...

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The Mac @TheMac

27 May, 08:42

In response The Mac to his Publication

Reactive Oxygen Species-Related Nanoparticle Toxicity in the Biomedical Field

The unique physicochemical characteristics of nanoparticles have recently gained increasing attention in a diverse set of applications, particularly in the biomedical field. However, concerns about the potential toxicological effects of nanoparticles ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7239959/

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The Mac @TheMac

27 May, 08:42

In response The Mac to his Publication

Magnetic nanoparticles are a class of nanoparticle that can be manipulated using magnetic fields. Such particles commonly consist of two components, a magnetic material, often iron, nickel and cobalt, and a chemical component that has functionality. While nanoparticles are smaller than 1 micrometer in diameter (typically 1–100 nanometers), the larger microbeads are 0.5–500 micrometer in diameter. Magnetic nanoparticle clusters that are composed of a number of individual magnetic nanoparticles are known as magnetic nanobeads with a diameter of 50–200 nanometers.[1][2] Magnetic nanoparticle clusters are a basis for their further magnetic assembly into magnetic nanochains.[3] The magnetic nanoparticles have been the focus of much research recently because they possess attractive properties which could see potential use in catalysis including nanomaterial-based catalysts,[4] biomedicine [5] and tissue specific targeting,[6] magnetically tunable colloidal photonic crystals,[7] microfluidics

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The Mac @TheMac

27 May, 08:43

In response The Mac to his Publication

magnetic resonance imaging,[9] magnetic particle imaging,[10] data storage,[11][12] environmental remediation,[13] nanofluids,[14][15] optical filters,[16] defect sensor,[17] magnetic cooling[18][19] and cation sensors.

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The Mac @TheMac

27 May, 08:47

In response The Mac to his Publication

Solid lipid nanoparticles (SLN) are nanospheres made from biocompatible solid lipids, with unique advantages among drug carriers: they can be used as vehicles to cross the BBB.

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The Mac @TheMac

27 May, 08:53

In response The Mac to his Publication

good night. 🕯

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Carole Davis-Z @Tallyho

28 May, 01:18

In response The Mac to his Publication

My husband will have to explain it all...

but here is a wee joke even I got 😁

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The Mac @TheMac

28 May, 02:22

In response Carole Davis-Z to her Publication

Because electrons are labile (i.e., they can be transferred from atom to atom), it is possible for "charge separation" to occur. This phenomenon is often commonly referred to as static electricity.

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The Mac @TheMac

28 May, 02:23

In response The Mac to his Publication

The water molecule has a total of 10 protons and 10 electrons (8 from the oxygen atom and 1 from each of the two hydrogen atoms). Since it has the same number of protons and electrons, the water molecule is neutral. ... Unequal sharing of electrons makes water a polar molecule.

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The Mac @TheMac

28 May, 02:27

In response The Mac to his Publication

How do atoms split into water?

This is possible using a process known as electrolysis, which involves running a current through a water sample containing some soluble electrolyte. This breaks down the water into oxygen and hydrogen, which are released separately at the two electrodes

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The Mac @TheMac

28 May, 02:28

In response The Mac to his Publication

An electric force called voltage is created by separation of charge where as an electric fluid called current is created by motion of charge.

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The Mac @TheMac

28 May, 02:29

In response The Mac to his Publication

atom bomb

noun: atomic bomb
a bomb which derives its destructive power from the rapid release of nuclear energy by fission of heavy atomic nuclei, causing damage through heat, blast, and radioactivity.

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The Mac @TheMac

The immense destructive power of atomic weapons derives from a sudden release of energy produced by splitting the nuclei of the fissile elements making up the bombs' core.

02:31 PM - May 28, 2021

In response The Mac to his Publication

Only people mentioned by TheMac in this post can reply

The Mac @TheMac

28 May, 02:32

In response The Mac to his Publication

Semiconductor nanocrystals are called artificial atoms because of their atom-like discrete electronic structure resulting from quantum confinement. Artificial atoms can also be assembled into artificial molecules or solids, thus, extending the toolbox for material design.1

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The Mac @TheMac

28 May, 02:34

In response The Mac to his Publication

Newly created artificial atoms on a silicon chip could become the new basis for quantum computing

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