Sentences with phrase «boundary between»

Rome's three universities have experts in a wide range of disciplines at the boundary between mathematics and physics, from low - temperature physics and quantum field theory to complex systems and differential geometry.
The boundary between the two plates runs off the east coast of the North Island and along the west coast of the South Island.
What is the structure of the boundary between the Earth's crust and mantle?
The boundary between viruses and complex bacteria had become officially blurred.
The lowest layer of coal marks the boundary between the underlying Hell Creek Formation, with its rich dinosaur fauna, and the younger overlying Tullock Formation, with its surviving fauna of small mouselike and shrewlike mammals.
Because stars like TRAPPIST - 1 are brightest right after they form and gradually dim thereafter, the ice line tends to move in over time, like the boundary between dry ground and snow - covered ground around a dying campfire on a snowy night.
This is leading to a much better understanding of many facets of our planet — from the boundary between Earth's crust and upper mantle to the density of the upper atmosphere.
The iridium spike appeared in sediments 65 million years old, at the so - called K - T boundary between the Cretaceous and the Tertiary periods.
This is extraordinarily deep — deep enough to be near the boundary between the earth's crust and mantle, called the Moho, and more or less rules out a glacial origin.
Then in 2011, Goddard engineer Donald Dichmann, who at the time worked for Applied Defense Solutions in Columbia, Md., and his co-authors began work on a paper reviewing the trade studies NASA made when it decided to move its Interstellar Boundary Explorer from its original orbit to a more stable position at another lunar - resonant orbit — P / 3 — where it's mapping the boundary between the solar system and interstellar space.
They found that the chicks formed AERs and sprouted limbs wherever there was a boundary between cells that expressed the transplanted R - fng genes and cells that weren't infected.
This mesoscopic system may provide insight into the fuzzy boundary between the classical and quantum worlds by allowing controlled studies of quantum measurement and quantum decoherence.
«It marks the boundary between human societies concerned with survival and agriculture and stabilized people who wanted to explore and trade.»
A: There isn't a clear - cut boundary between medical care and lifestyle.
The current state - of - the - art method for diagnosing cancers and determining the boundary between cancer and normal tissue during surgery, called Frozen Section Analysis, is slow and sometimes inaccurate.
These break the boundary between present and past, merge into contemporary urban geography, economics and the environmental sciences, and bring a time depth which makes «presenting the past to the public» — the title of Ottaway's closing chapter — a more immediate exercise.
These systems are right on the boundary between stable, orderly behaviour — such as a swinging pendulum — and the unpredictable world of chaos, as exemplified by turbulence.
«This transition corresponds to a boundary between the layers that we can image with seismology and that we attribute to changes in rock composition.»
[Photos: Asteroid Vesta and NASA's Dawn Spacecraft] Earlier photos of Vesta have zeroed in on intriguing features on the space rock's surface, including the boundary between the day and night sides.
The boundary between the two phases moved toward the center as the droplet dried, and then other regions with different structures appeared, such as the columnar and crystal phases.
Light travels faster in the hot, thin air close to the road than it does in the cold, dense air above, and that difference in speed is what causes it to shift direction as it crosses the boundary between the two.
In two regions of the boundary between the earth's core and the overlying mantle, the researchers detected a reversed magnetic field.
And by placing each grouping under the control of a chief executive — who could order what work laboratories take on — it says it hopes to create a clear boundary between the purchasers of research, such as the research councils and government departments, and the laboratories which do the work.
Some researchers hope to get around such problems by exploiting tiny waves of electrons that exist on the boundary between a metal and an electrical insulator such as glass or silicon.
The discovery of a sharp boundary between Earth's hardened outer shell and a softer layer underneath could force a reassessment of how and why tectonic plates move.
But something special occurs when pairs of particles emerge near the event horizon — the boundary between a black hole, whose gravity is so strong that it warps space - time, and the rest of the Universe.
Stephanie Konfal, a research associate with POLENET, pointed out that where the transition is most pronounced, the sideways movement runs perpendicular to the boundary between the two types of mantle.
It marks the plate boundary between the subducting Nazca plate and the South America plate, where the oceanic crust and lithosphere of the Nazca plate begin their descent into the mantle beneath South America.
Finally it showed that our solar system is larger than previously thought: when the mission ended, with the probe 6.2 billion miles from Earth, it was still detecting solar - wind particles, indicating that it had not yet crossed the heliopause — the boundary between the solar system and interstellar space.
Red indicates 10 million Kelvin gas at the centers of massive galaxy clusters, while bright structures show diffuse gas from the intergalactic medium shock heating at the boundary between cosmic voids and filaments.
Another bone of contention for the team concerns the boundary between the Cretaceous — the last age of the dinosaurs — and the Paleogene, the period that began 66 million years ago.
It marks the boundary between the Eurasian and Anatolian tectonic plates, which move relative to each other at a speed of around 2 cm per year.
Gregg Hallinan of the California Institute of Technology and colleagues have detected both types of radiation from what appears to be a brown dwarf, an object that straddles the boundary between planet and star.
The boundary between glacier and ice shelf is called a grounding line.
Creating a supercell takes moisture, updraft, spin, and then the trigger — a boundary between hot and cold air masses.
«How new species arise is one of the most important questions facing biologists, and we still have a lot to learn,» says Pitnick, a professor in SU's Department of Biology in The College of Arts and Sciences, adding that the mechanisms maintaining the genetic boundary between species is difficult to pin down.
The Tohoku - Oki earthquake occurred in a «subduction zone,» a boundary between two tectonic plates where one plate is diving beneath another — in this case, the Pacific plate dives beneath the Eurasian plate just east of Japan.
We've known for decades that all supercell thunderstorms have a gust front, which is the boundary between the moist, warm air that is flowing into the storm and the generally cooler air coming down out of the storm.
The red circles (left images) show the boundary between the melanin core and the silica shell, which is twice as thick in the bottom image as in the top.
The location of the boundary between the classical and quantum worlds is a long - standing mystery.
However, the researchers wanted to explore the boundary between the quantum and classical worlds.
Until then, scientists had assumed the Haiti earthquake involved a simple shift along the Enriquillo - Plantain Garden fault zone, a well - defined, 300 - mile boundary between the North American and Caribbean plates.
Kelvin - Helmholtz waves occur at the boundary between two fluids, such as two different bodies of air in Earth's atmosphere.
By analyzing how waves change speed and direction, researchers were able to locate the boundary between rigid tectonic plates and the hot, pliable asthenosphere.
Earth's interior flows more easily in the asthenosphere, and convection here is believed to help drive plate tectonics, but how exactly that happens and what the boundary between the lithosphere and asthenosphere looks like isn't clear.
This year, she won a K99 postdoctoral fellowship from the National Institute of Mental Health, the first half of the prestigious K99 / R00 transition award, and she is pursuing cutting - edge questions at the boundary between disciplines.
But what really interested Crick were two mysteries long deemed beyond the scope of science: the boundary between the living and the nonliving, and the origin of consciousness.
At just under eight times the mass and twice the size of our own world, 55 Cancri e is a welterweight that straddles the hazy boundary between terrestrial and gas - giant planets.
A new analysis by UC Santa Barbara researchers sheds light on that mystery, revealing that the shift occurs abruptly, right at the boundary between wet and dry conditions.
They are the constantly changing boundary between the worlds of biology and biochemistry.
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