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<font size="+2"><font face="Calibri"><i><b>August 9</b></i></font></font><font
size="+2" face="Calibri"><i><b>, 2023</b></i></font><font
face="Calibri"><br>
</font> <br>
<i>[ NYTimes opinion dating advice ]</i><br>
<b>On Dates, I Now Look for Climate Compatibility</b><i><br>
</i>Aug. 9, 2023<i><br>
</i>By Erica Berry<i>...<br>
</i>- -<br>
<font face="Calibri">Talking about the future with a partner or a
potential partner might feel scary, but if we aren’t
communicating, we’re projecting. Don’t we owe ourselves the
intimacy of something more? I see now that it was not only
conversations about our planet’s future that I struggled to have
with my ex, it was conversations about our own future, too. It can
be easy to feel as if the question of whether to have children,
like rising sea levels, will be dealt with down the road.<br>
<br>
But the future, as with the sea, does not obey its supposed
bounds. If being alive right now sometimes feels like standing on
a cliff, I want to be with someone who’s not afraid to peer at the
frothing tides. Not because I need to solve anything, but because
I don’t want a relationship built on looking away.<br>
</font><br>
<font face="Calibri">“I feel safer when I’m in love,” a friend
recently told me. And at these times when our future feels most
uncertain, romantic relationships are not just distractions,
they’re places for nourishment, bolstering us to face what’s
outside the door.<br>
</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.nytimes.com/2023/08/09/opinion/climate-change-dating-okcupid.html">https://www.nytimes.com/2023/08/09/opinion/climate-change-dating-okcupid.html</a><i><br>
</i></font>
<p><font face="Calibri"><i><br>
</i></font></p>
<p><font face="Calibri"><i><br>
</i></font></p>
<font face="Calibri"><i>[ Innovation ] </i></font><br>
<font face="Calibri"><b>Supercapacitor cement could supercharge
renewable energy storage</b></font><br>
<font face="Calibri">BY TIM WOGAN</font><br>
<font face="Calibri">AUGUST 7, 2023</font><br>
<br>
<font face="Calibri">Production of cement and concrete is today
responsible for approximately 8% of global carbon dioxide
emissions. Several ideas to reduce this by using alternative
cement formulations, for example, have yet to achieve widespread
success. Meanwhile, rising investment in intermittent renewable
energy sources has led to rising demand for storage technologies.
‘Batteries are based on rare materials that are not available to
everyone, so it’s not scalable,’ says Franz-Josef Ulm of the
Massachusetts Institute of Technology. Ulm and colleagues devised
a bipartite solution by adding new functionality to concrete,
allowing it to be used as a ‘structural capacitor’.</font><br>
<br>
<font face="Calibri">The researchers simply add nanoparticles of
carbon black to cement paste. Being hydrophobic, these initially
stay isolated in the water-rich environment. As the cement cures,
however, the hydrophilic calcium silicates form calcium silicate
hydrates and calcium hydroxide, removing free water from the
system. The carbon nanoparticles then self-organise into an
extremely long conductive network permeating the cement. By
soaking the cement in potassium hydroxide, the researchers allow
ions to diffuse in and out of the pores. Connecting the electrode
to a positive charge causes the conductive network to attract
negative ions and repel positive ions and the reverse when it is
connected to a negative charge. Separating two of these saturated
cement slabs by a dielectric membrane therefore allows a potential
difference to build up and energy to be stored.</font><br>
<br>
<font face="Calibri">The researchers used small charged cement
supercapacitors to power a 3V LED, and now hope to move to
large-scale, real-world applications. The charge/discharge rate is
limited by the porosity of the cement, but this shouldn’t be a
problem in building foundations that can store solar energy, for
example. ‘You have the whole day to charge the supercapacitors and
then overnight…you use it to run whatever type of energy load you
need for the home,’ Ulm says.</font><br>
<br>
<font face="Calibri">The researchers showed that they could also
increase the porosity of the cured cement by adding extra water
during its production. This allows for faster charge/discharge
cycling, which could open up applications such as roads that
charge passing electric vehicles by electromagnetic induction,
although it does compromise the strength of the concrete. ‘For
each application there will be different requirements we need to
fulfil,’ says co-author Admir Masic. ‘The essential point our
paper is making is the accessibility of our material anywhere in
the world for everyone. I honestly expect this material to
permeate our society in an unprecedented manner simply because it
is two inexpensive materials that we know how to process.’</font><br>
<br>
<font face="Calibri">Deborah Chung at the University of Buffalo in
New York is skeptical, however. ‘In the abstract they claim high
strength, but in the paper there is no measurement of the
strength,’ she says. The researchers rely on hardness measurements
from nano-identation, and Ulm says he has ‘built a career showing
the link between hardness and strength’ but Chung remains
unconvinced and says that this ‘is not an adequately recognised
mechanical property indicator in the concrete field’. ‘The high
porosity is bound to cause fragility… I’m positive that the
material that they are calling a structural electrode is actually
a fragile material,’ she concludes.</font><br>
<br>
<font face="Calibri">Bernhard Pichler at Vienna University of
Technology in Austria, however, does not dispute the strength
measurements, and says that ‘the authors have used an initial
water-to-cement mass ratio of 0.42. This allows you to produce
regular-strength concrete. In many practical applications, even
larger ratios are used… Lower ratios are needed to produce
ultra-high performance concretes, but they are used for rather
special applications only. Overall, I think this paper is
extremely interesting, and it will be influential in my scientific
community for sure.’</font><br>
<font face="Calibri">References</font><br>
<font face="Calibri">N Chanut et al, Proc. Natl. Acad. Sci. USA,
2023, 120, e2304318120 (DOI: 10.1073/pnas.2304318120)</font><br>
<font face="Calibri"></font>
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</font> </p>
<font face="Calibri"> </font> <br>
<font face="Calibri"><i>[ One member of Congress gets it ]</i><br>
</font><font face="Calibri"><b>Time to Wake Up 289: Rising Tides,
Rising Temps<br>
</b>Senator Sheldon Whitehouse<b><br>
</b>July 26 | Senator Sheldon Whitehouse, Chairman of the Senate
Budget Committee, delivered his 289th speech on the Senate floor
urging his colleagues to wake up to the threat of climate change.
<br>
Whitehouse highlighted the dangerous conditions the oceans face as
they absorb record amounts of heat energy across the world this
summer.</font><font face="Calibri"><br>
</font><font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=dXAVnSG45mc">https://www.youtube.com/watch?v=dXAVnSG45mc</a><br>
</font>
<p><font face="Calibri"><br>
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<p><font face="Calibri"><br>
</font> </p>
<i><font face="Calibri">[ Commentary ]</font></i><br>
<b>Asteroids from Earth and Meteorite Mysteries</b><br>
John Michael Godier<br>
Aug 8, 2023<br>
An exploration of the idea of Asteroids from Earth and several other
Meteorite Mysteries, including the recent meteorite that appears to
have originated on Earth.<br>
"The Puzzle of Meteoritic Minerals Heideite and Brezinaite; Are they
Iron-based Superconductors? Are they Technosignatures?" B. P.
Embaid, 2022<br>
<a class="moz-txt-link-freetext" href="https://arxiv.org/abs/2209.05679">https://arxiv.org/abs/2209.05679</a><br>
<font face="Calibri"> </font>
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=rtJUIYXWE9A">https://www.youtube.com/watch?v=rtJUIYXWE9A</a><br>
<p><br>
</p>
<p><br>
</p>
<font face="Calibri"><i>[ It's never too late to learn new words. ]</i></font><br>
<font face="Calibri"><b>Glossary of Climate-Related Terms</b></font><br>
<font face="Calibri">From NOAA Physical Sciences Laboratory</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://psl.noaa.gov/enso/glossary.html">https://psl.noaa.gov/enso/glossary.html</a></font><br>
<font face="Calibri">- -</font><br>
<font face="Calibri"><i>{NOAA and NASA have glossaries}</i></font><br>
<font face="Calibri"><b>Glossary from NASA Earth Observatory</b></font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://earthobservatory.nasa.gov/glossary/all">https://earthobservatory.nasa.gov/glossary/all</a></font><br>
<font face="Calibri">- - <br>
</font><i><font face="Calibri">[ this is the modern EPA glossary --
just a few pages ]</font></i><br>
<font face="Calibri"><b>Glossary</b></font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.epa.gov/green-power-markets/glossary">https://www.epa.gov/green-power-markets/glossary</a></font><br>
<font face="Calibri">- -<br>
</font><font face="Calibri">[Never forget the EPA this is historical
slightly longer ]</font><br>
<font face="Calibri"><b>Glossary of Climate Change Terms (from 2017)</b></font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://19january2017snapshot.epa.gov/climatechange/glossary-climate-change-terms_.html">https://19january2017snapshot.epa.gov/climatechange/glossary-climate-change-terms_.html</a></font><br>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font> </p>
<font face="Calibri"> <i>[ Do you know Juneau? ]</i></font><br>
<font face="Calibri"> </font> <font face="Calibri"><b>Scientists
concerned 'rare' glacial flooding event in Alaska could happen
again</b><br>
The sheer force of Mother Nature was on full display, researchers
said.<br>
By Julia Jacobo<br>
August 7, 2023</font><br>
<font face="Calibri">Astonished scientists could not have predicted
the severity of a glacial lake outburst flood that inundated a
large portion of Juneau, Alaska, over the weekend.<br>
<br>
Now, they're worried the unprecedented event could happen again.<br>
<br>
City officials in Juneau, Alaska, issued an emergency declaration
Sunday after a glacier lake outburst flood, from the Suicide Basin
on the Mendenhall Glacier, wreaked havoc in the city.</font><br>
<font face="Calibri">- -</font><br>
<font face="Calibri"><b>How rare was the flooding event from the
Mendenhall Glacier</b><br>
When the Federal Emergency Management Agency created flood maps
for the Mendenhall Glacier, it defined a 100-year flooding event
as discharge of 17,000 cubic feet per second, and a 500-year
flooding event as discharge of 20,000 cubic feet per second,
Jacobs said.<br>
<br>
The flooding that occurred on Saturday night was the result of a
discharge event of about 25,000 cubic feet per second, which FEMA
had previously determined had less than 1% chance of occurring,
Jacobs said.<br>
<br>
"We couldn't imagine this amount of water coming out so fast,"
Jacobs said...<br>
</font><font face="Calibri">- -</font><br>
<font face="Calibri"><b>What led to the glacier lake outburst flood</b><br>
A glacial lake outburst flood occurs when a dam containing a
glacial lake breaks. But Mendenhall Glacier actually gets lifted
up from pressure building within the basin. So when the glacier is
great enough to lift the glacier, the water escapes the basin and
flows downstream, Jacobs said.<br>
<br>
The basin fills in the summertime from snow melt and rainfall. The
Suicide Glacier, which used to feed into the Suicide Basin, still
hangs over it, so the melting from that ice contributes to water
levels in the basin as well, Jacobs said...<br>
</font><font face="Calibri">- -</font><br>
<font face="Calibri"><b>How researchers predict outburst floods from
Mendenhall Glacier</b><br>
Those in charge of monitoring the Mendenhall Glacier and the lakes
within it can tell when a flooding event is gearing up, Jacobs
said.<br>
<br>
The National Weather Service in Juneau has a "well-versed"
monitoring program, which involves elevation marks on Suicide
Basin and a camera pointed it its direction, in order to see how
much the water levels are falling and rising...<br>
</font><font face="Calibri">- -</font><br>
<font face="Calibri"><b>Concerning flooding from the </b></font><font
face="Calibri"><b><font face="Calibri"><b>Mendenhall Glacier</b></font>
has been happening for over a decade</b><br>
Suicide Basin has been releasing glacier lake outburst floods that
cause inundation along Mendenhall Lake and Mendenhall River since
2011, according to the National Weather Service.<br>
</font><font face="Calibri"><a class="moz-txt-link-freetext" href="https://abcnews.go.com/US/scientists-concerned-rare-glacial-flooding-event-alaska-happen/story?id=102080482">https://abcnews.go.com/US/scientists-concerned-rare-glacial-flooding-event-alaska-happen/story?id=102080482</a><br>
</font>
<p><font face="Calibri"><br>
</font></p>
<p><i><font face="Calibri"><br>
</font></i> </p>
<i> </i><font face="Calibri"><i> [The news archive - looking back
at the reign of Keith Olbermann -- 4 months after this
interview, NBC prematurely halted the contract with Olbermann.
]</i></font><br>
<font face="Calibri"> <font size="+2"><i><b>August 9, 2010</b></i></font>
</font><br>
<font face="Calibri">August 9, 2010: NASA scientist Jay Zwally
appears on MSNBC's "Countdown with Keith Olbermann" to discuss
Greenland's ice melt and the political dysfunction that has
prevented legislative action on climate change in the US.</font><br>
<font face="Calibri">Keith Olberman interviews Jay Zwally, top
scientist with NASA's Space Flight Goddard Research, who confirms
that global warming is real and that it's chiefly caused by human
activity.<br>
</font><font face="Calibri"><a class="moz-txt-link-freetext" href="http://youtu.be/5vmupjRkgmU">http://youtu.be/5vmupjRkgmU</a></font><br>
<font face="Calibri"> <br>
<br>
</font>
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