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Between the solar wind stripping its atmosphere and these horrific dust towers bleeding its water into space, Mars may not have ever had a chance at a stable climate.


NASA reports that these are the result of observations by NASA’s Mars Reconnaissance Orbiter’s heat-sensing Mars climate sounder instrument which can easily penetrate this dusty haze.

We’re not yet able to understand how much these towers contributed to Mars’ past water loss, David Kass, a planetary scientist at NASA Jet Propulsion laboratory and the Mars Climate Sounder instrument’s principal investigator, told me by phone. But they are telling us that the simple extrapolations that we were doing before to explain Mars’ water loss has limitations, he says.

And even though Mars’ atmosphere is roughly equal to only one percent of Earth’s, Kass said the dust is able to reach high altitudes because it is extremely fine.

New research results show how sound below the range of human hearing can help scientists predict and track tornadoes.

Predicting tornadoes is crucial for saving lives. Today, meteorologists rely on Doppler radar signatures as well as context clues, combined with reports from eyewitnesses on the ground. The technology has led to a major increase in warning time around tornadoes over recent decades. But the National Weather Service still reports at least a 50 percent false alarm rate for issued tornado warnings as of 2014, and the rate might be even higher. Now, scientists are getting serious about using infrasound—sound with a frequency lower than human ears can hear—as a means to supplement present-day methods for tornado detection.

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Need to Catch Up?
CLIMATE FORCING: https://youtu.be/rEWoPzaDmOA
CLIMATE FORCING [Short]: https://youtu.be/tul07hx8V8w
PLASMA COSMOLOGY: https://youtu.be/E4pWZGBpWP0
PLASMA COSMOLOGY [Short]: https://youtu.be/G48V-Fmh4uc
COSMIC DISASTER: https://youtu.be/B_zfMyzXqfI

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Banner Image: The 2019 ozone hole reached its peak extent of 6.3 million square miles (16. 4 million square kilometers) on Sept. 8. Abnormal weather patterns in the upper atmosphere over Antarctica dramatically limited ozone depletion this year. Credit: NASA

By: Ellen Gray NASA’s Earth Science News Team

By: Theo Stein

From tiny snowflakes to the jagged fork of a lightning bolt, it’s not hard to find examples of fractals in the natural world. So it might come as a surprise that, until now, there have remained some places these endlessly repeating geometrical patterns have never been seen.

Physicists from MIT have now provided the first known example of a fractal arrangement in a quantum material.

The patterns were seen in an unexpected distribution of magnetic units called ‘domains’, which develop in a compound called neodymium nickel oxide — a rare earth metal with extraordinary properties.

2009


The Norse thunder god Thor deflected lightning with his hammer. Physicists could soon replicate this feat using curved laser beams.

Bending lightning around tall buildings and away from airports, power plants and other facilities is just one application for curved laser beams, says Jerome Moloney at the University of Arizona, Tuscon. He and his colleagues have now made the first such beams1. “The real novelty is that we can curve light in the lab,” he says.

Laser physicists already use beams made up of short laser pulses to etch out ‘plasma channels’. These pulses manipulate the speed with which light travels through air — slowing it down in the centre of the beam and speeding it up at the sides. The causes the beam to continually self-focus, helping it maintain a high intensity over large distances. The beam ionizes the nitrogen and oxygen around it, creating a plasma.

BERLIN, August 21, 2019 (Newswire.com) — The Neutrino Energy Group cooperates with a worldwide team of scientists and various international research centers, which deal with application research, the conversion of invisible radiation spectra of the sun, among other things the neutrinos (high-energy particles, which ceaselessly reach the earth) in electric power.

Is renewable energy hurting consumers?

During the last decade or so, consumers around the world have been encouraged to install solar panels on top of their houses. In certain climates, these rooftop photovoltaic installations can more than cover the electrical needs of an individual home, and many solar-equipped houses feature photovoltaic systems that wire directly into the grid. At times when the home has excess solar-generated electricity left over, this energy feeds back into the grid and helps out with the electricity needs of other energy company customers.