Today #GeologyWithCats. We found during #hedgewatch many #quartz veins at the #Rosstrape. They formed when #silica rich fluids circulated in #fractures that formed during cooling of the Ramberg #pluton & are now remnants of a #geothermal system.
#PawForScale
[A hydrothermal system on #Mars] In the rocks bounding the Jezero impact crater, the #Pereverance rover's instrument array has detected the presence of #silica in various forms: opal, chalcedony and #quartz. Evidence of water-rock interaction dating back to the very beginning of the Red Planet's history ....
Knowing that siliceous rocks - opal in particular - have a remarkable ability to preserve traces of #life, all that remains is to sample these rocks and bring them back to Earth for further exobiological analysis.
Weekend #Plankton #Factoid 
When we think of #nutrients that limit #algae growth, it is usually nitrogen or phosphorus, which is absolutely true, but occasionally, other factors become important. One is hydrated silica dioxide, which is necessary for #diatoms to produce their glass "frustule" shells. In both lakes and oceans, #silica can be drawn down to the point it prevents reproduction. So, in some locations "dissolved sand" can actually limit algal growth. #Science
https://www.nature.com/articles/s41598-019-44587-4
A Homebrew Gas Chromatograph That Won’t Bust Your Budget - Chances are good that most of us will go through life without ever having to perfo... - https://hackaday.com/2024/10/13/a-homebrew-gas-chromatograph-that-wont-bust-your-budget/ #gaschromatography #chemistryhacks #grainofwheat #chemistry #arduino #hx7111 #silica #mq-2 #adc #gc
Environmental Impacts of #Geothermal Energy
Published Mar 5, 2013
Union of Concerned Scientists
"The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic “#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."
[...]
"Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."
[...]
"Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.
"Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."
https://www.ucsusa.org/resources/environmental-impacts-geothermal-energy
@deepbluev7 I was wondering btw why #Sailtrix seems to be using a completely different code base. Looks like you could use Nheko backend quite well to build a #silica GUI as well?
MMOs You’ve Never Heard Of: Wild Card Football, Bish Bash Bots, Silica, Zombie Within https://massivelyop.com/2023/10/23/mmos-youve-never-heard-of-wild-card-football-bish-bash-bots-silica-zombie-within
#WildCardFootball #BishBashBots #Silica #ZombieWithin
Researchers using #JWST have detected evidence for #quartz nanocrystals in the high-altitude clouds of WASP-17 b, a hot Jupiter #exoplanet.
The detection marks the first time that #silica particles have been spotted in an exoplanet #atmosphere.
It was known from Hubble observations that there must be #aerosols—tiny particles making up clouds or haze—in WASP-17 b’s atmosphere, but it wasn't expect them to be made of quartz.
#astronomy #exoplanets
https://www.nasa.gov/missions/webb/webb-detects-tiny-quartz-crystals-in-the-clouds-of-a-hot-gas-giant/
Bohemia's new RTS FPS hybrid struggles to marry its two genres, but you do get to be a rad crab - https://www.rockpapershotgun.com/bohemias-new-rts-fps-hybrid-struggles-to-marry-its-two-genres-but-you-do-get-to-be-a-rad-crab #BohemiaInteractive #Indiescovery #Strategy #Preview #Shooter #Silica
(3/n)
"...the two #ForeverChemicals, #PFAS] #Bifenthrin, #Epoxiconazole, and [the for #bees highly toxic #neonicotinoid (1)] #Thiametoxam."
On a more positive note, however, there was some good news in March 2023: diamonds are forever, but the #ForeverChemicals may yet be broken up by human ingenuity:
"...University of #BritishColumbia #researchers develop #silica-based material with ability to absorb wider range of harmful #chemicals..."
Bohemia are the latest to try to make the RTS/FPS hybrid happen, bless them - https://www.rockpapershotgun.com/bohemia-are-the-latest-to-try-to-make-the-rtsfps-hybrid-happen-bless-them #BohemiaInteractive #Indiescovery #Strategy #Silica #Indie
Mit #Silica kündigt #BohemiaInteractive eine interessante Mischung aus Shooter und Echtzeitstrategie für den PC an. https://winfuture.de/videos/Spiele/Genre-Mix-Bohemia-kuendigt-den-Strategiespiel-Shooter-Silica-an-25071.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
Quick little video about a bottle of "ceramic" spray.
This is a hydrophobic spray coating, and supposedly contains amorphous silica. I was curious if it was in nanoparticle form, aggregate, etc so I popped it under the AFM and SEM to investigate. 
A White-Light Laser, On the Cheap
https://hackaday.com/2023/01/04/a-white-light-laser-on-the-cheap/
#supercontinuum #LaserHacks #non-linear #singlemode #stilbene #Science #spectra #silica #fiber #laser
A White-Light Laser, On the Cheap - Lasers are known for the monochromatic nature of their light, so much so that you ... - https://hackaday.com/2023/01/04/a-white-light-laser-on-the-cheap/ #supercontinuum #laserhacks #non-linear #singlemode #stilbene #science #spectra #silica #fiber #laser
Hier ein Video vom Einkleben. #Epoxidharz ist ein Zwei-Komponenten-System. Nach der Anmischung hat man eine begrenzte Zeit zur Verarbeitung, bis es hart wird. Je nach Außentemperatur verkürzt oder verlängert sich diese. Das #Deck ist abschüssig und das Harz rinnt nach außen - um das zu verlangsamen, kann man es mit #Silica andicken (daher die milchige Färbung). Nach dem Einsetzen des Holzes haben wir direkt von unten mit Schrauben und zusätzlich Schraubzwingen auf den Boden fixiert. #segelboot
