Rubin Observatory"s 3.5-meter secondary mirror installed
Vera C. Rubin Observatory's 3.5-meter secondary mirror has been installed on the Simonyi Survey Telescope on Cerro Pachón in Chile. The glass mirror—made by Corning Advanced Optics and polished by L3Harris Technologies—is the first permanent com.....»»
Here is how you can uninstall Windows 11
If you've installed Windows 11 and find it unsatisfactory, reverting to Windows 10 or your previous operating system is a simple process......»»
Saving Mt. Wilson Observatory: Inside the long battle to maintain the spot where we found our place in the universe
Los Angeles was once the best place in the world to see the universe......»»
Secondary education needs to empower students to respond to climate emergency, says UK report
The UK government needs to do more to equip schools with the materials and resources to teach young people about climate change and their role in responding to it by refocusing the school curriculum, according to the authors of new research......»»
Scientists discover the highest energy gamma-rays ever from a pulsar
Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about 10 trillion times the energy of visib.....»»
How secondary mathematics teachers" beliefs and knowledge influence their teaching in mainland China
Past research on Chinese mathematics teaching has focused mainly on the role of teacher's beliefs and professional knowledge separately in teaching approaches, or examined three variables—teacher's beliefs, professional knowledge and teaching appro.....»»
What"s new in iOS 17.1 beta 2: StandBy mode options, ringtones, & more
The second beta of iOS 17.1 was released this week and we installed it on our new iPhone 15 Pro Max to see what new features or changes it holds. Let's dig in.New beta of iOS 17.1This latest developer beta weighed in at just under 900MB for our iPhon.....»»
Riskier times on campuses mean we need a tool for prevention and intervention of sexual assaults, researchers say
The excitement of entering a new academic year for university and college students can be palpable and filled with hope. But the start of the school year in post-secondary settings also has a shadow side, known as the red zone......»»
Without irony, Microsoft CEO says Google unfairly dominates search
Despite Microsoft's overwhelming lead in installed computer operating systems, Microsoft CEO Satya Nadella testified that the Apple-Google default search deal has unfairly hurt Bing badly.Microsoft CEO Satya NadellaNadella took to the witness stand o.....»»
macOS Sonoma can be installed on 83 unsupported Macs with this tool
The 1.0.0 version of OpenCore Legacy Patcher has been released, allowing a number of Macs that don't officially support macOS Sonoma to now run the operating system.OpenCore Legacy PatcherApple's macOS operating system updates often drop support for.....»»
A new planet-hunting instrument has been installed on the Very Large Telescope
Exoplanet studies have come a long way in a short time. To date, 5,523 exoplanets have been confirmed in 4,117 systems, with another 9,867 candidates awaiting confirmation. With all these planets available for study, exoplanet researchers have been s.....»»
Next-generation printing: Precise and direct, using optical vortices
Will printed photographs ever match the precision of a mirror's reflection? Even though the answer may still be no for a while, Osaka Metropolitan University scientists have made significant strides in precision printing with their innovative optical.....»»
Testing, testing, testing: How researchers make sure the LSST Camera is the best it can be
Building the world's largest digital camera ever made for astronomy, the Vera C. Rubin Observatory's Legacy Survey of Space and Time Camera, is no simple task—that much is obvious......»»
Recombination dipole prototype successfully tested for the LHC"s high-luminosity upgrade
The LHC requires a variety of different types of magnets to direct the beams around its circular shape. Currently installed in the LHC's interaction regions are 9.45-m-long double-aperture magnets of 2.8 T, manufactured by BNL for the RHIC......»»
Rocket Report: Iran launches satellite; Artemis II boosters get train ride
Is ArianeGroup finally getting more serious about a reusable rocket? Enlarge / All four RS-25 main engines are now installed on the core stage for the Artemis II mission. Welcome to Edition 6.13 of the Rocket Report! Wh.....»»
Using Einstein"s tea leaf paradox to study nanofluids
Stirring can allow the dispersion of substances evenly in liquid. Einstein's tea leaf paradox is a concept that shows how tea leaves can concentrate in a doughnut shape through a secondary flow effect during stirring. In a new study published in Scie.....»»
The revisited mass of the Milky Way is much smaller than expectations from cosmology
Thanks to the latest Gaia satellite catalog from the European Space Agency (ESA), an international team led by astronomers from the Paris Observatory–PSL and the CNRS has achieved the most accurate measurement of the mass of the Milky Way. This stu.....»»
NASA"s Chandra rewinds story of great eruption of the 1840s
Using snapshots taken over 20 years with NASA's Chandra X-ray Observatory, astronomers have learned important new details about an eruption from Eta Carinae witnessed on Earth in the mid-19th century......»»
The Giant Magellan Telescope"s final mirror fabrication begins
The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope's 368 square meter light collecting surface, the world's largest and most challenging.....»»
Permission denied for reentry of Varda’s orbiting experiment capsule
The FAA says Varda launched its vehicle into space without a reentry license. Enlarge / Varda's reentry capsule measures nearly 3 feet (1 meter) in diameter, and will jettison from its Rocket Lab-built carrier spacecraft when the.....»»
Discovering the universe from our own backyards
When I was a college student, I worked at the Charlevoix Astronomical Observatory in Québec......»»