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From the potential of orbital railguns, to space elevators on the moon and Mars, to the threat of AI taking over your job, to the latest on Neuralink, today’s lightning round video features questions from Patreon supporters. Thanks for the great questions guys!

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Continue reading “Orbital Railguns Will Probably Never Happen” »

AMD firing up the oven to rewarm chips.

Photographs emerge of AMD’s new 4800S desktop kit that most likely uses defective CPUs from consoles.

Researchers have developed a prototype lithium-ion battery that uses water as an electrolytic solution. The water replaces a flammable organic solvent.

The good news, according to the team of scientists, is that their prototype is durable, can be quickly recharged, and is free from the risk of catching fire. (Just a reminder that gasoline in ICE cars is flammable, folks.)

In the abstract published in the Proceedings of the National Academy of Sciences of the United States of America, the abstract states that the prototype achieves “higher ionic conductivity, environmental benignancy, and high safety.”

This year has witnessed a breakout for India’s startups. Companies going public in 2021 have raised record cash. But they also face unique challenges to grow even bigger.

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Continue reading “How India Became the New Hope for Tech Investors” »

While the nature of the object can only be speculated until Yutu-2 gets closer, it is unlikely to be a bunker left behind by an interplanetary species.

It is more likely to be a boulder or a piece of debris, like several others in that region of the moon.

The Yutu-2 rover was launched in 2018 by China as part of the Chang’e-4 lunar lander mission. It entered lunar orbit on December 12, 2019, before scripting history on January 3, 2020, by becoming the first mission to accomplish a soft landing on the lunar surface.

Critics argue that the company violates privacy.

Clearview AI, the company known for its facial recognition technology that fills its database with images it scrapes from the web, is a step closer to obtaining a US patent for its controversial tech. The company has received a “notice of allowance” from the US Patent and Trademark Office.

Rapid advances in large-scale connectomics are beginning to spotlight the importance of individual variations in the neural circuitry. They also highlight the limitations of “wiring diagrams” alone.

After unseasonably warm temperatures, a series of winter storms will bring snowy and frigid conditions to Reno and Tahoe.

An international team of astronomers led by researchers from the Netherlands has found no trace of dark matter in the galaxy AGC 114,905, despite taking detailed measurements over a course of forty hours with state-of-the-art telescopes. They will present their findings in Monthly Notices of the Royal Astronomical Society.

When Pavel Mancera Piña (University of Groningen and ASTRON, the Netherlands) and his colleagues discovered six galaxies with little to no dark matter, they were told “measure again, you’ll see that there will be dark matter around your galaxy.” However, after forty hours of detailed observations using the Very Large Array (VLA) in New Mexico (United States), the evidence for a dark matter-free galaxy only became stronger.

The galaxy in question, AGC 114,905, is about 250 million light-years away. It is classified as an ultra-diffuse dwarf galaxy, with the name ‘dwarf galaxy’ referring to its luminosity and not to its size. The galaxy is about the size of our own Milky Way but contains a thousand times fewer stars. The prevailing idea is that all galaxies, and certainly ultra-diffuse dwarf galaxies, can only exist if they are held together by dark matter.