http://johnstevenson.net/

John Stevenson Bible Study Page


VIDEOSAncient History: A Framework for the Bible: Class lectures on Ancient History and the Bible.
Biblical Ethics: Series on ethical issues in the Bible.
Biblical Interpretation: Several class lectures on principles of interpreting the Bible.
Biblical Languages: Introduction to Biblical Hebrew and Greek.
Church History: A series on the history of the church.
End Times: A series on Eschatology, a study of Biblical prophecy.
History of Civilization: Lectures on World Civilization.
How We Got Our Bible: A series exploring how the Bible came to us.
Life of Christ: A series on the Life of Christ.
New Testament Backgrounds: Studies in the cultural background of the New Testament.
New Testament Survey: A series overview of the New Testament.
Old Testament Prophets: A series on the prophetic books of the Old Testament.
Old Testament Survey: A series overview of the Old Testament.
Old Testament Theology: A series on the theology of the Old Testament.
Systematic Theology: An overview of some of the main issues in Systematic Theology.
Pentateuch: A series on the First Five Books of Moses.
Historical Books: A series on the Historical Books of the Old Testament.
Poetical Books: A series on the Poetical Books.
Gospel According to Matthew: A series on the Gospel of Matthew.
Book of Acts: A series on the Book of Acts.
General Epistles: A series on the General Epistles.
Book of Revelation: An Interview with John Stevenson on the Book of Revelation.
Marriage: Putting the Happily into Ever After (by Lance and Sky McNeill).

Scholarship Essay

Will an NCU degree empower you to make a better world?
Essay Guidelines

Use the form below to submit either a 500- to 700-word essay (maximum two pages, double-spaced) or a two- to four-minute audio or video file (minimum two minutes, maximum four minutes) in one of the following formats: .MOV, .MPEG4, .MP4, .MP3, .WAV, .AVI, .MV4, or .WMV, not to exceed 25MB.

The ethical standard by which my further studies in the Institution of the Academy will follow a singular — even Kierkegaardian — focus on the crossroads and intersection between the realm of the scientific and that of the imagination, specifically, the ethical imagination. The event horizon of human consciousness has been raised and launched at a continuously exponential rate over the past recent centuries as the logic of history has worked it’s way to a teleology of peaceful law, religion, prophecy, creative rendering and social progress.

This intersection of generational, sociological, genetic, tribal and post-national or supra-international modes of thought, well-being, social engineering, cosmological and ecological wholeness and economic investment have found a contra-puntal balance point between the age-old civilizational antinomies–which prior to the advent of the nuclear era–have caused with timeless and inevitable irony, the unravelling of previous civilizations by misjudging and outweighing human abilities, as they (those previous civilizations) through the pendulums of hubris and invariable greed, irrational exuberance and dim materialism, xenophobia and lawless anarchy, the miasma of posh hedonism and the bare-bones spectacle of autocracy, the cynicism of post-modernity and the superstition of antiquated and sentimental memory programs (visa vis nostalgia).

In order to part ways with such obvious rubbish, I intend to field all security arrangements and ethical modalities as a function of HAL Mars Avatar assemblies, in which scientific judgement is tethered by the theory that what we do and perform here on Earth will inevitably become a significant biological and ethical imperative for future pioneers and entrepreneurs who will one day soon inhabit the planet Mars, and then go on from there to future stars.

most brilliant of word games

The idea is to come up with three word phrases where the first half and the second half consist entirely of repeated sounds, and if needed an explanation of their meaning.

For example, if one was cooking an outdoor meal in honor of a certain famous American doll, and it was so popular people had to form a line to get in, that line would be a Barbi barbecue queue. Simalary, if one had some out of date preserved pork from a certain Lancashire town, in would be a old Oldham ham.

Of course the two meanings of the repeated sounds have to be different!

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Sinning Against the Moon

Sinning Against the Moon

On the Starships before

the Globe was Shrouded in Bliss

Was Spun from Carbon Sun

Zero Star Energy

Echoed the Crystal Cork

of the Moon’s Innocence

Opened like Zinfandel

in Micro-Gravity

You could Bubble Upward

from Sphere to Sphere

and Ship to Ship

…………………through the Co-Axial

And that is how they Spun

this Stuff Called “Earth”

an Elemental Sphere

With Luna Crystal

falling through the Heavens

in a Cascading Vortex

of Angels and Death

Judgement, Despair, and

Heaving Breasts

Falling Hard

Towards the EArth

which they had Spun, and Still Spin

From the Fountain of Life

If not for the Tree of Knowledge

and the Goodness of the Luna Plant

The psylocibin is the Programming Drug

which, tearing life from limb,

gives ascent

to the Sphere’s Release

And Shows in Hexygons of Milk

the Moon’s Blanket

as not Just Erithu’s cover

or it’s Tidal Barrier………………

the Mother to the Oceans

Fire Element from it’s Crystal

Air from Crystal of Aether

the ground from Inside the Moon

and Wedded

Through the Trans-Axial

to her “heavier” gravitational Mate

Erithu

This is what it means to sin

against the moon

to grow heavy against her

to weigh against her lucid judgement

to tax her serenity

since she, herself, is who spins

the elements

which you inhabit

drawing them together

and combining them

into mural and poesie

and whispers the very aer* of aether

which you breath

*the welsh word aer may or may not refer to the spelling of the ancient word aether, 

a loose derivation

The word αἰθήρ (aithḗr) in Homeric Greek means “pure, fresh air” or “clear sky”

Cooper Pairs

In the case of electrical currents traveling through metal wires, there are three different velocities present, all of them physically meaningful:

  1. The individual electron velocity
  2. The electron drift velocity
  3. The signal velocity

In order to understand each of these speeds and why they are all different and yet physically meaningful, we need to understand the basics of electric currents. Electric currents in metal wires are formed by free electrons that are moving. In the context of typical electric currents in metal wires, free electrons can be thought of as little balls bouncing around in the grid of fixed, heavy atoms that make up the metal wire. Electrons are really quantum entities, but the more accurate quantum picture is not necessary in this explanation. (When you add in quantum effects, the individual electron velocity becomes the “Fermi velocity”.) The non-free electrons, or valence electrons, are bound too tightly to atoms to contribute to the electric current and so can be ignored in this picture. Each free electron in the metal wire is constantly flying in a straight line under its own momentum, colliding with an atom, changing direction because of the collision, and continuing on in a straight line again until the next collision. If a metal wire is left to itself, the free electrons inside constantly fly about and collide into atoms in a random fashion. Macroscopically, we call the random motion of small particles “heat”. The actual speed of an individual electron is the amount of nanometers per second that an electron travels while going in a straight line between collisions. A wire left to itself carries no electric signal, so the individual electron velocity of the randomly moving electrons is just a description of the heat in the wire and not the electric current.

Now, if you connect the wire to a battery, you have applied an external electric field to the wire. The electric field points in one direction down the length of the wire. The free electrons in the wire feel a force from this electric field and speed up in the direction of the field (in the opposite direction, actually, because electrons are negatively charged). The electrons continue to collide with atoms, which still causes them to bounce all around in different directions. But on top of this random thermal motion, they now have a net ordered movement in the direction opposite of the electric field. The electric current in the wire consists of the ordered portion of the electrons’ motion, whereas the random portion of the motion still just constitutes the heat in the wire. An applied electric field (such as from connecting a battery) therefore causes an electric current to flow down the wire. The average speed at which the electrons move down a wire is what we call the “drift velocity”.

(PDF) A Lorentz Invariant Pairing Mechanism: Relativistic Cooper Pairs (researchgate.net)We study a Lorentz invariant pairing mechanism that arises when two relativistic spin-1/2 fermions are subjected to a Dirac string coupling. In the weak coupling regime, we find remarkable analogies between this relativistic bound system and the well known superconducting Cooper pair. As the coupling strength is raised, quenched phonons become unfrozen and dynamically contribute to the gluing mechanism, which translates into novel features of this relativistic superconducting pair.

Relativistic Quantization of Cooper Pairs and Distributed Electrons in Rotating Superconductors | SpringerEven though the electrons are, on average, drifting down the wire at the drift velocity, this does not mean that the effects of the electrons’ motion travels at this velocity. Electrons are not really solid balls. They do not interact with each other by literally knocking into each other’s surfaces. Rather, electrons interact through the electromagnetic field. The closer two electrons get to each other, the stronger they repel each other through their electromagnetic fields. The interesting thing is that when an electron moves, its field moves with it, so that the electron can push another electron farther down the wire through its field long before physically reaching the same location in space as this electron. As a result, the electromagnetic effects can travel down a metal wire much faster than any individual electron can. These “effects” are fluctuations in the electromagnetic field as it couples to the electrons and propagates down the wire. Since energy and information are carried by fluctuations in the electromagnetic field, energy and information also travel much faster down an electrical wire than any individual electron.

Link

Chirality in Relativistic Electrons

Tuning the valley and chiral quantum state of Dirac electrons in van der Waals heterostructures – NASA/ADS (harvard.edu)Chirality is a fundamental property of electrons with the relativistic spectrum found in graphene and topological insulators. It plays a crucial role in relativistic phenomena, such as Klein tunneling, but it is difficult to visualize directly. Here, we report the direct observation and manipulation of chirality and pseudospin polarization in the tunneling of electrons between two almost perfectly aligned graphene crystals. We use a strong in-plane magnetic field as a tool to resolve the contributions of the chiral electronic states that have a phase difference between the two components of their vector wave function. Our experiments not only shed light on chirality, but also demonstrate a technique for preparing graphene’s Dirac electrons in a particular quantum chiral state in a selected valley.

BEC’s at “normal” tempSuperconductivity is induced in a normal metal (N) in contact with a superconductor (S) via the Andreev reflection (AR)3: an electron entering S from N pairs to another electron to form a Cooper pair, leaving a hole-like quasiparticle that is transmitted back into N. Electron and hole coherently propagate with parallel opposite wavevectors, carrying superconducting correlations into N. This mechanism allows supercurrent flow and Josephson coupling across S–N–S junctions12.

 here we observe Klein-like tunnelling of Andreev electron–hole pairs that carry superconducting correlations from the high-temperature superconductor YBa2Cu3O7 (YBCO) into graphene

Fabricating YBCO/graphene devices with electron-transparent interfaces has remained challenging17. Contrary to low-temperature superconductors2,4,11,13,14,15,16,18,19,20, YBCO cannot be grown on graphene due to its deposition conditions (hundreds of °C, oxygen-rich atmosphere). Conversely, the surface electronic properties of YBCO are easily degraded by standard graphene fabrication and lithography techniques. To circumvent those constraints, we used 50-nm-thick YBCO films grown on SrTiO3 (STO) and covered in situ with an ultrathin 4 nm Au layer. 

Quantum tunneling and Chiral Engineering >jos. junc

Abstract

We present a survey of the physical nature of solitons in magnetically ordered crystals. The description of such solitons is based on both classical and quasi-classical mechanics. The magnetic soliton is regarded as a bound state of a large number of elementary magnetic excitations, i.e. magnons. Mathematical considerations of solitons in one-, two- and three-dimensional magnets are proposed. Dynamic and topological solitons, domain walls, rotary waves, magnetic vortices and magnon drops are treated in terms of the general approach. Both ferromagnets with different types of anisotropy (easy axis, easy plane, XYZ-anisotropy) and antiferromagnets are discussed. The difference between dynamic and topological solitons is explained.

Tuning the valley and chiral quantum state of Dirac electrons in van der Waals heterostructures | Science (sciencemag.org)

Engineering chiral solitons and density-dependent gauge fields in Raman-coupled Bose-Einstein condensates | JILA – Exploring the Frontiers of Physics (colorado.edu)

We investigate the quantum dynamics of Raman-coupled Bose-Einstein condensates driven by laser beams that carry orbital angular momentum. By adiabatically eliminating the excited atomic state we obtain an effective two-state Hamiltonian for the coupled condensates, and quantization of the matter-wave fields results in collapse and revivals in the quantum dynamics. We show that the revival period depends on whether the initial nonrotating condensate displays broken U(1) symmetry or not, and that the difference may be detected by measuring the motion of quantized vortices that are nested in the density profile of the Raman-coupled condensates. We further study the steady-state population transfer using a linear sweep of the two-photon detuning, by which the atomic population is coherently transferred from an initial nonrotating state to the final vortex state.

In 1929, physicist Oskar Klein obtained a surprising result by applying the Dirac equation to the familiar problem of electron scattering from a potential barrier. In nonrelativistic quantum mechanics, electron tunneling into a barrier is observed, with exponential damping. However, Klein’s result showed that if the potential is of the order of the electron mass, {\displaystyle V\sim mc^{2}}V∼mc2, the barrier is nearly transparent. Moreover, as the potential approaches infinity, the reflection diminishes and the electron is always transmitted. The immediate application of the paradox was to Rutherford’s proton–electron model for neutral particles within the nucleus, before the discovery of the neutron. The paradox presented a quantum mechanical objection to the notion of an electron confined within a nucleus. This clear and precise paradox suggested that an electron could not be confined within a nucleus by any potential well. The meaning of this paradox was intensely debated

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