Henry's research group has recently demonstrated pumps, storage containers and other components that can operate
at extreme temperatures of 1,300 degrees Celsius and above.
It also demonstrates superior healability
at the extreme temperatures of -20 degrees C to 40 degrees C.
Not exact matches
At extreme temperatures, atoms are stripped
of their electrons and nuclei move so quickly that they overcome their «mutual repulsion», joining together to form a heavier nucleus.
At the one extreme lies the superconduction of the field at absolute zero temperature; at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutually
At the one
extreme lies the superconduction
of the field
at absolute zero temperature; at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutually
at absolute zero
temperature;
at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutually
at the other, the lack
of radiation in a field
of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutually).
Formed
at high
temperatures and pressures, the gems trace
extreme events from the dawn
of our solar system
They weren't estimating or extrapolating from lab experiments — they were applying the laws
of fundamental quantum mechanics to derive iron's properties
at extreme pressures and
temperatures.
In 1955, however, labs
at General Electric built on earlier research to create diamonds from graphite, another carbon allotrope, that had been subjected to
extremes of pressure (nearly 1 million pounds per square inch) and
temperature (3,100 degrees Fahrenheit).
In a new study, Scripps Institution
of Oceanography
at the University
of California San Diego Professor James Day and colleagues examined the chemical composition
of zinc and other volatile elements contained in the green - colored glass, called trinitite, which were radioactive materials formed under the
extreme temperatures that resulted from the 1945 plutonium bomb explosion.
Even if a sample reaches the
extreme temperatures and pressures
at the centre
of the Earth, it will only do so for a matter
of seconds.
«We're talking about
temperatures of 500 degrees Fahrenheit and pressures
of about 600 pounds for most organic material — not
at all
extreme or energy intensive.
The New Calculus Other physicists, meanwhile, are employing string theory methodologies in their study
of extreme matter states — from the intensely hot plasmas produced in particle colliders to materials created in laboratories
at temperatures close to absolute zero.
The strength and path
of the North Atlantic jet stream and the Greenland blocking phenomena appear to be influenced by increasing
temperatures in the Arctic which have averaged
at least twice the global warming rate over the past two decades, suggesting that those marked changes may be a key factor affecting
extreme weather conditions over the UK, although an Arctic connection may not occur each year.
The surface
of Venus is more than 400 °C hotter than the surface
of Earth — and
at those
extreme temperatures, the rock crystals can grow more quickly, healing themselves so that the boundaries never form.
The researchers also looked
at other
extreme events, like the southeast Australian drought
of 2006 and the rain events that led to widespread flooding in Queensland in 2010, to see whether they would occur more often as global
temperatures increased.
«All
of my research is performed under
extreme conditions
at high pressure, low
temperatures and high magnetic fields with the aim to study magnetic and electronic properties,» she explains.
Since climate change is already leading to higher average
temperatures overall, the finding that
extremes are also more likely was not surprising, said Sophie Lewis, a climate scientist
at the University
of Melbourne and the climate system science center and the lead author on the paper.
Certain varieties
of Earthly «extremophiles» — microbes that live
at extremes of temperature, pressure, salinity and so on — exhibit similar behavior.
Only under
extreme conditions, such as collisions in which
temperatures exceed by a million times those
at the center
of the sun, do quarks and gluons pull apart to become the ultra-hot, frictionless perfect fluid known as quark - gluon plasma.
Scientists
at the Department
of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and NASA are using X-rays to explore, via 3 - D visualizations, how the microscopic structures
of spacecraft heat shield and parachute materials survive
extreme temperatures and pressures, including simulated atmospheric entry conditions on Mars.
A Carnegie - led team was able to discover five new forms
of silica under
extreme pressures
at room
temperature.
Climate scientist Christopher Field, director
of the Department
of Global Ecology
of the Carnegie Institution for Science
at Stanford University in Palo Alto, California, emphasized the scientific consensus that global
temperatures are rising and that climate change is likely to contribute to
extreme weather events.
In the
extreme temperatures of outer space, for example, artificial muscles might best be made
of silicone plastics, which have been demonstrated in a vacuum
at — 100 degrees Celsius.
The SDO can see
extreme ultraviolet wavelengths that are blocked by Earth's atmosphere, allowing it to look
at the part
of the corona where the
temperature suddenly rises.
These tiny droplets «flow» in a manner similar to the behavior
of the quark - gluon plasma, a state
of matter that is a mixture
of the sub-atomic particles that makes up protons and neutrons and only exists
at extreme temperatures and densities.
It would place billions
of people
at risk from
extreme temperatures, flooding, regional drought, and food shortages.
Drawing on the
extreme thermal conductivity
of diamond, the new technology can operate
at room
temperature without the need for any cooling.
The paper's lead author, anthropologist Eva Fernández
of Liverpool John Moores University in the United Kingdom, attributes the team's success to two main factors: First, the bodies
at the Syrian farming villages were buried in pits under the floors
of the houses and then sealed with thick mud, which probably protected the skeletons from the
temperature extremes of Syrian summers; and second, the skeletons were put in cold storage immediately after being removed from the pits, which also preserved DNA from further degradation.
Threats — ranging from the destruction
of coral reefs to more
extreme weather events like hurricanes, droughts and floods — are becoming more likely
at the
temperature change already underway: as little as 1.8 degree Fahrenheit (1 degree Celsius)
of warming in global average
temperatures.
After the researchers analyzed the inclusions — each just 15 to 40 microns wide, or one - sixth to two - fifths
of the diameter
of a human hair — they found the inclusions contained the entire range
of minerals one would expect
of a volcanic rock called basalt that originally formed
at the planet's surface and then crystallized under
extreme high pressures and
temperatures.
Lars Stixrude, a geologist
at University College London, calls the idea «fascinating» — although he warns that science's understanding
of the behavior
of materials under the
extreme temperatures and pressures
of an ice - giant core is still incomplete.
The QGP is an
extreme state
of matter comprising deconfined quarks and gluons (partons) that exists only
at temperatures above approximately 160 MeV, a condition met for last time a few microseconds after the Big Bang, or
at baryon densities five times higher than normal nuclear densities, speculated to exist inside the core
of neutron stars.
Field observations
of microbes recovered from deep drill cores, deep mines, and the ocean floor, coupled with laboratory investigations, reveal that microbial life can exist
at conditions
of extreme temperatures (to above 110ºC) and pressures (to > 10,000 atmospheres) previous thought impossible.
For example, as a hotter, higher mass analog
of WASP - 43b, KELT - 16b may feature an atmospheric
temperature - pressure inversion and day - to - night
temperature swing
extreme enough for TiO to rain out
at the terminator.
If that variability was increasing, they would expect to see more
extremes at both ends
of the
temperature spectrum.
Today we understand the impact
of human activities on global mean
temperature very well; however, high - impact
extreme weather events are where the socio - economic impacts
of a changing climate manifest itself and where our understanding is more in its infancy but nevertheless developing
at pace.
The sunshield is composed
of what are essentially sheets
of special plastic that maintain their integrity
at extreme temperatures.
That leads to different patterns
of temperature extremes in different places
at different times.
Our experienced professionals have performed tests on a variety
of materials, including composites, ceramics, metals, insulations, and lubricants in both normal and
extreme environments
at temperatures ranging from cryogenic to more than 3000 °C.
From rdmag: Researchers
at the UT Dallas Alan G. MacDiarmid NanoTech Institute have demonstrated a fundamentally new type
of artificial muscle, which can operate
at extreme temperatures where no other artificial muscle can be used — from below the
temperature of liquid
He especially enjoys research focused on the study
of matter
at extreme conditions
of high pressure, high
temperature, and high radiation flux.
They found that the likelihood
of such
extreme summers rose sharply in every region, cropping up
at least 70 times more often in 2012 than in 1973 — a tenfold increase over the equivalent change looking
at temperature alone.
In this case, the scientists looked
at how much more likely the
extreme temperatures recorded across Europe were during this heat wave because
of warming, and found clear indications that it upped the odds.
Visit the lab
of Matthew Andrews
at the University
of Minnesota Duluth, who studies hibernating thirteen - lined ground squirrels to learn how their hearts manage
extreme temperature fluctuations.
Toward colder
extremes, as the area
of sea ice grows, the planet approaches runaway snowball - Earth conditions, and
at high
temperatures it can approach a runaway greenhouse effect (8).
Researchers
at the University
of Western Australia have discovered that rising sea levels could reduce water
temperature extremes among reefs that have strong tidal conditions.
Although their reflectors are exposed to
extreme conditions
at an altitude
of 5,000 meters above sea level in the Chajnantor Plateau, facing gusty winds and
temperatures that vary from 20 to -20 degrees Celsius, and even snow, the antennas are designed to withstand these conditions.
Possible increased growth and productivity concurrent with climate oscillations that increase water availability, particularly
at higher elevations and where stand density is low;
extreme high
temperatures would have net negative impact, regardless
of water availability
«We show that
at the present - day warming
of 0.85 °C about 18 %
of the moderate daily precipitation
extremes over land are attributable to the observed
temperature increase since pre-industrial times, which in turn primarily results from human influence,» the research team said.
Then, they calculated the total exposure to
extreme heat in «person - days,» by multiplying the number
of heat waves - days when
temperatures reach
at least 95 degrees - by the number
of people who are projected to live in the areas where
extreme heat is occurring.
The surface changes on Pluto are due to
extreme temperature variations between seasons, said Mike Brown, professor
of planetary astronomy
at Caltech.