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.....»»
How to fix the ‘No SIM Card Installed’ error on your iPhone
Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store......»»
Astronomers observe jet reorientation in "Death Star" black holes
Huge black holes are firing powerful beams of particles into space—and then changing their aim to fire at new targets. This discovery, made using NASA's Chandra X-ray Observatory and the U.S. National Science Foundation (NSF) National Radio Astrono.....»»
The habitable worlds observatory could see lunar and solar "exo-eclipses"
A future space observatory could use exo-eclipses to tease out exomoon populations......»»
Combating air pollution in China: Why secondary pollutants are now a primary concern
Like most countries, China has had its problems with air pollution. However, over the last decade, a series of successful measures implemented by the Chinese government have resulted in an impressive improvement in air quality......»»
Proposed sex education guidance in England goes against evidence and may well lead to harm
The UK government has released new plans for relationships, sex and health education (RSHE) in primary and secondary schools in England. This would see age parameters introduced for key issues in sex education, with no education on sex at all for chi.....»»
The Apple TV is coming for the Raspberry Pi’s retro emulation box crown
Apple’s restrictions will still hold it back, but there’s a lot of possibility. Enlarge / The RetroArch app installed in tvOS. (credit: Andrew Cunningham) Apple’s initial pitch for the tvOS and the Apple TV as it c.....»»
Three new RR Lyrae variable stars discovered
Using the Lulin One-meter Telescope (LOT), astronomers have observed a newly detected candidate ultra-faint dwarf galaxy known as Virgo III. As a result, they discovered three new RR Lyrae variable stars in the vicinity of this galaxy. The finding wa.....»»
Input from young and aspiring technicians wanted for survey
TechForce Foundation is soliciting feedback from new technicians and high school and post-secondary students enrolled in automotive training programs for its inaugural Techs Talk survey......»»
How to move games to another SSD on a PlayStation 5
If you've installed another SSD into your PlayStation 5, you can move your games onto that storage device to clean up space on your main SSD. Here's how......»»
NHTSA probes 200,000 Ford Super Duty trucks for risk of fire
NHTSA said it received 27 complaints alleging diesel fuel leaks due to a "fracture in the secondary fuel filter housing." The proximity of the secondary fuel filter to high heat sources could result in fire, NHTSA said......»»
First Dream Chaser spaceplane needs more work when it gets to launch site
The rest of Dream Chaser's heat shield tiles will be installed at Kennedy Space Center. Enlarge / Sierra Space's Dream Chaser spaceplane inside a NASA test chamber in Ohio. (credit: Sierra Space) There is still some work.....»»
PSA: There’s a security update available for iTunes users on Windows
Remember iTunes? Although it was discontinued years ago on macOS, the Windows version lives on to this day. And if you’re one of the people who still has iTunes installed on your PC, there’s an update available with an important security patch......»»
Astronomers explore globular cluster NGC 2419
Using the Indian Astronomical Observatory (IAO) and ESA's Gaia satellite, astronomers have explored a galactic globular cluster known as NGC 2419. Results of the study, published April 29 on the preprint server arXiv, shed more light on the propertie.....»»
YUM List Installed Packages Guide: Maximizing its Potential
YUM utility is now an essential tool for any tech person juggling with packages in Linux systems. But the primary question is, are we wielding this tool to its fullest capacity? Let’s learn how yum list installed packages can help you cut down your.....»»
Self-critical perfectionism gnaws on students" well-being already in lower secondary school, says study
Young people's perfectionism is manifested as concern over their competence and fear of making mistakes......»»
Nearly half of all Steam users are using Windows 11 — but why?
Almost half of all Steam users have Windows 11 installed, but why do gamers love this OS so much?.....»»
New mirror that can be flexibly shaped improves X-ray microscopes
A team of researchers in Japan has engineered a mirror for X-rays that can be flexibly shaped, resulting in remarkable precision at the atomic level and increased stability......»»
For the ancient Maya, cracked mirrors were a path to the world beyond
Some people fear that breaking a mirror can lead to seven years of misfortune. The history of this superstition may go back to the ancient Greeks and Romans, who ascribed mysterious powers to reflected images......»»
The Great Observatory for Long Wavelengths (GO-LoW) proposal
Humankind has never before seen the low frequency radio sky. It is hidden from ground-based telescopes by the Earth's ionosphere and challenging to access from space with traditional missions because the long wavelengths involved (meter- to kilometer.....»»
New observatory in Chile—the highest in the world—aims to reveal origins of planets, galaxies and more
How do planets form? How do galaxies evolve? And ultimately, how did the universe itself begin? A unique astronomical observatory that researchers hope will unravel some of the biggest mysteries out there marks its opening on April 30, 2024......»»