The FCC has opened up the entire 6 GHz band for very low-power (VLP) devices and here’s how it will affect your next gadget.
Chondritic meteorites (chondrites) are some of the oldest rocks in our solar system, forming 4.5 billion years ago. Therefore, their primitive composition means that they offer a window into the origins of planet formation, particularly as their major elements (heavier than hydrogen and helium, including oxygen, silicon, magnesium, iron and nickel) closely reflect the sun’s photosphere composition.
Melting and clumped accumulation (accretion) of dust particles at high temperatures (up to 2,000 Kelvin [~1,727 °C]) in the protoplanetary disk formed crystallized silicate spheres known as chondrules, which further joined together to produce asteroids, the remnants of planetary genesis.
There are two main types, believed to have formed in the inner and outer solar system respectively: ordinary chondrites are composed of up to 90% chondrules, while carbonaceous chondrites have only 20–50% chondrules within a background matrix.
Apple launched its long-awaited ChatGPT-Siri integration in the latest iOS 18.2, iPadOS 18.2, and macOS Sequoia 15.2 update today. The feature kicks in when you ask Siri something complex that Apple’s built-in AI can’t fully handle.
Aging gracefully comes naturally to these creatures, which can live for hundreds, and sometimes even thousands, of years.
‘Altermagnetism’ discovery could deliver ‘thousand-fold increase’ in memory and speed of computing components.
NASA’s Synthetic Biology Project is collaborating with the GrabCAD community to create innovative 3D-printable bioreactor designs. These bioreactors aim to reduce the mass and volume of supplies needed for extended space missions by enabling in-situ production of essential nutrients through reusable or recyclable solutions.
The project focuses on enhancing BioNutrient Production Packs, which use bio-engineered microorganisms to generate critical nutrients like beta carotene. Crews activate these microorganisms by adding water and growth media to dormant cultures. The existing bioreactors include early polycarbonate Gen-0 models and lightweight Gen-1 soft packs. Both designs allow gas exchange to prevent over-pressurization while ensuring safe nutrient production.
NASA seeks to address key challenges for long-duration missions, including designing bioreactors that are either reusable or recyclable and can be manufactured aboard spacecraft. The bioreactor must safely handle liquid cultures, support gas exchange, and be compatible with additive manufacturing technologies. Reusability designs must consider sterilization challenges, while recyclable designs should use materials that can be reprocessed into new bioreactors.
Gemini 2.0 can generate images and audio, is faster and cheaper to run, and is meant to make AI agents possible.
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Technology offers us many options, including less reliance on others, but what does that entail and how autonomous can a person get?
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Credits:
Off The Grid: Technological Autonomy.
Episode 477; December 12, 2024
Produced, Narrated \& Written: Isaac Arthur.
Editor: Donagh Broderick.
Graphics: Mafic Studios.
Select imagery/video supplied by Getty Images.
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Stellardrone, \
A longevity expert thinks that those who are currently in their 40s may have more than a 50% likelihood of not dying from aging-related causes.
A mathematician at Yonsei University, in Korea, claims to have solved the moving sofa problem. Jineon Baek has posted a 100+-page proof of the problem on the arXiv preprint server.
Most people who have moved their place of residence have encountered the moving sofa problem—it comes up when attempting to carry a couch around a corner. What is the largest couch that can be carried around a given corner without getting stuck? This problem was posited mathematically by mathematician Leo Moser back in 1966, and until now, has remained unsolved.
Moser’s initial thoughts centered on the possibility of developing a proof showing how mathematics could be used to solve any such problem using a given shape of a plane as it was moved around a right-angled corner of an empty space (such as a hallway) that was one unit in width.