Torqued Accelerator Using Radiation from the Sun (Tars) for Interstellar Payload
https://arxiv.org/abs/2507.17615
https://arxiv.org/abs/2507.17615
arXiv.org
Torqued Accelerator using Radiation from the Sun (TARS) for...
The concept of exploring space using solar power is energetically appealing, but interstellar solar sails typically require extremely low areal densities (~0.8 g/m^2). This work explores an...
Fast and cheap bulk storage: using LVM to cache HDDs on SSDs
https://quantum5.ca/2025/05/11/fast-cheap-bulk-storage-using-lvm-to-cache-hdds-on-ssds/
https://quantum5.ca/2025/05/11/fast-cheap-bulk-storage-using-lvm-to-cache-hdds-on-ssds/
Quantum
Fast and cheap bulk storage: using LVM to cache HDDs on SSDs
My attempt to create fast and cheap bulk storage by caching HDDs with SSDs on Linux, using standard lvmcache. Contains an introduction to LVM, RAID, and partitioning.
Chemical Process Produces Critical Battery Metals with No Waste
https://spectrum.ieee.org/nmc-battery-aspiring-materials
https://spectrum.ieee.org/nmc-battery-aspiring-materials
IEEE Spectrum
Chemical Process Produces Critical Battery Metals With No Waste
Aspiring Materials' process extracts valuable minerals from olivine, offering a cleaner, sustainable solution for battery material supply chains.
4k NASA employees opt to leave agency through deferred resignation program
https://www.kcrw.com/news/shows/npr/npr-story/nx-s1-5481304
https://www.kcrw.com/news/shows/npr/npr-story/nx-s1-5481304
KCRW
Nearly 4,000 NASA employees opt to leave agency through deferred resignation program
The employees who have chosen to leave the agency amount to about 20% of NASA's workforce.
Linux on Snapdragon X Elite: Linaro and Tuxedo Pave the Way for ARM64 Laptops
https://www.linaro.org/blog/linux-on-snapdragon-x-elite/
https://www.linaro.org/blog/linux-on-snapdragon-x-elite/
www.linaro.org
Linux on Snapdragon X Elite: Linaro and Tuxedo Pave the Way for ARM64 Laptops | Blog | Linaro
Linaro Connect 2025 showcases progress in bringing Linux on Snapdragon-Powered Devices
...
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US drops sanctions on Myanmar junta's allies after military chief praises man
https://www.abc.net.au/news/2025-07-26/us-drops-sanctions-on-myanmar-junta-allies-after-trump-praise/105576812
https://www.abc.net.au/news/2025-07-26/us-drops-sanctions-on-myanmar-junta-allies-after-trump-praise/105576812
www.abc.net.au
US drops sanctions on Myanmar junta allies after military praises Trump
The United States has lifted sanctions on several allies of Myanmar's ruling generals and their military-linked companies in a move that has prompted concern from politicians and rights groups.
Jeff Bezos doesn't believe in PowerPoint, and his employees agree
https://texttoslides.ai/blog/amazon-not-using-powerpoint
https://texttoslides.ai/blog/amazon-not-using-powerpoint
texttoslides.ai
Jeff Bezos Doesn't Believe in PowerPoint, and His Employees Actually Agree | TextToSlides.AI Blog
Jeff Bezos famously banned PowerPoint at Amazon, opting for a culture of written memos. We dive into why he did it, how the 6-pager is structured, and what his employees really think.
Beetroot juice lowers blood pressure in older people by changing oral microbiome
https://news.exeter.ac.uk/faculty-of-health-and-life-sciences/beetroot-juice-lowers-blood-pressure-in-older-people-by-changing-oral-microbiome/
https://news.exeter.ac.uk/faculty-of-health-and-life-sciences/beetroot-juice-lowers-blood-pressure-in-older-people-by-changing-oral-microbiome/
University of Exeter
Beetroot juice lowers blood pressure in older people by changing oral microbiome
The blood pressure lowering effect of nitrate-rich beetroot juice in older people may be due to specific changes in their oral microbiome, according to the largest study of its kind. Researchers at the University of
Allianz Life says 'majority' of customers' personal data stolen in cyberattack
https://techcrunch.com/2025/07/26/allianz-life-says-majority-of-customers-personal-data-stolen-in-cyberattack/
https://techcrunch.com/2025/07/26/allianz-life-says-majority-of-customers-personal-data-stolen-in-cyberattack/
TechCrunch
Allianz Life says 'majority' of customers' personal data stolen in cyberattack | TechCrunch
The company disclosed the data breach on Saturday in a legally required filing with Maine's attorney general but did not immediately provide a number of how many Allianz Life customers are affected. According to a spokesperson, Allianz Life has 1.4 million…