In the race to accelerate A.I., the Silicon Valley company Cerebras has landed on an unusual strategy: go big.
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Aug 22, 2021
How can we take pictures of Earth-like exoplanets? Use the sun!
Posted by Genevieve Klien in category: space
If we ever want to take pictures of an Earth-like exoplanet, we need to think bigger than the biggest telescopes on Earth.
Aug 22, 2021
Look: Saturn’s rings reveal the planet’s “fuzzy” interior
Posted by Atanas Atanasov in category: space
Understanding anything about a planet a billion miles from Earth is difficult.
Saturn’s core may be much bigger and “fuzzier” than previously thought, according to a new study of the planet’s rings using data from NASA’s Cassini.
Aug 22, 2021
Scientists re-create what may be life’s first spark
Posted by Quinn Sena in categories: chemistry, space
Circa 2014
Scientists in a lab used a powerful laser to re-create what might have been the original spark of life on Earth.
The researchers zapped clay and a chemical soup with the laser to simulate the energy of a speeding asteroid smashing into the planet. They ended up creating what can be considered crucial pieces of the building blocks of life.
Continue reading “Scientists re-create what may be life’s first spark” »
Aug 22, 2021
SpaceX’s 1st private astronaut mission, Inspiration4, is just one month from launching into history
Posted by Genevieve Klien in category: space travel
In just one month, SpaceX will make history with Inspiration4 — the world’s first all-civilian spaceflight — the mission’s crew couldn’t be more excited.
Aug 22, 2021
3D Printing Liquid Crystal
Posted by Genevieve Klien in categories: 3D printing, chemistry
If you think at all about liquid crystals, you probably think of display technology. However, researchers have worked out a way to use an ink-jet-like process to 3D print iridescent colors using a liquid crystal elastomer. The process can mimic iridescent coloring found in nature and may have applications in things as diverse as antitheft tags, art objects, or materials with very special optical properties.
For example, one item created by the team is an arrow that only appears totally green when viewed from a certain angle. The optical properties depend on the thickness of the material which, being crystalline, self-organizes. Controlling the speed of deposition changes the thickness of the material which allows the printer to tune its optical properties.
The ink doesn’t sound too exotic to create, although the chemicals in it are an alphabet soup of unpronounceable organic compounds. At least they appeared available if you know where to shop for exotic chemicals.
Aug 22, 2021
Giant Energy Storage Project Hoovers Up Excess Wind & Solar
Posted by Genevieve Klien in categories: solar power, sustainability
What was that again about wind and solar power being unreliable? Some energy pundits are still tossing that old ball around, but meanwhile savvy investors are plowing billions into new energy storage facilities that spit out clean kilowatts on demand. Like they say, money talks, and in a fitting twist the latest example comes from the Golden State, California.
Massive New Energy Storage Facility For The Golden State
California has plenty of both wind and solar, and it also has an ambitious renewable energy goal, which makes it the perfect spot to launch ambitious clean power projects such as massive new energy storage facilities.
Aug 22, 2021
Starbase Live Plex — SpaceX Starship Launch Facility
Posted by Alan Jurisson in categories: food, military, satellites, sustainability
SUNDAY 08/22/2021 Welcome to the LabPadre 24/7 Livestream! || Onsite weather provided by INITWeather.com || BOCA CHICA NEWS: NEW Heat tile replacement continues. B3 scrapping on hold. Catch arm fabrication proceeding. New Raptors arrive at shipyard GSE tank lifted into orbital tank farm. || ROAD CLOSURES: Intermittent Aug 23rd 9:30–11:30a CDT (1430−1630 UTC) and Aug 24th 5p-11p CDT (2200−0400 UTC), also Aug 25th, 26th. || LAUNCHES: Starsem, Soyuz 2.1b/Fregat, OneWeb #9 satellite constellation launched and deployed succesfully. Next: Blue Origin/New Shepard-NS 17 Wed Aug 25 2021 at 9:35a EDT, (13:35 UTC) from Launch Site One, West Texas, Texas, USA
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Aug 22, 2021
These Scientists Turned Seawater Into Fresh Water Using Sunlight in Under a Half Hour
Posted by Shane Hinshaw in category: particle physics
As part of a wave of solar water purifier research, scientists say they can turn even brackish groundwater into drinkable fresh water in about 30 minutes. The filtration uses a metal-organic framework, or MOF, which is a highly porous polymer made by combining metal particles with “coordinating” organic pieces called ligands. It can (and must!) be used in the sun, making it ideal for many applications in situ near sources of brackish water.
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Aug 22, 2021
Scientists Discover Small Proteins Regulate the Aging Process
Posted by Kelvin Dafiaghor in categories: biological, life extension
The attachment of the small protein ubiquitin to other proteins (ubiquitination) regulates numerous biological processes, including signal transduction and metabolism / Scientists at the University of Cologne discover the link to aging and longevity.
Scientists have discovered that the protein ubiquitin plays an important role in the regulation of the aging process. Ubiquitin was previously known to control numerous processes, such as signal transduction and metabolism. Prof. Dr. David Vilchez and his colleagues at the CECAD Cluster of Excellence for Aging Research at the University of Cologne performed a comprehensive quantitative analysis of ubiquitin signatures during aging in the model organism Caenorhabditis elegans, a nematode worm which is broadly used for aging research.
This method — called ubiquitin proteomics — measures all changes in ubiquitination of proteins in the cell. The resulting data provide site-specific information and define quantitative changes in ubiquitin changes across all proteins in a cell during aging. A comparison with the total protein content of a cell (proteome) showed which changes have functional consequences in protein turnover and actual protein content during aging. The scientists thus discovered new regulators of lifespan and provide a comprehensive data set that helps to understand aging and longevity. The article, ‘Rewiring of the ubiquitinated proteome determines aging in C. elegans,‘has now been published in Nature.
