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May 1, 2024

Voltage Breakthrough in Quest for Cheaper, Safer Batteries

Posted by in categories: biotech/medical, chemistry, engineering

A QUT-led team of international researchers has made a breakthrough in the development of a type of battery that is much safer and cheaper than the batteries currently charging our smart devices.

The research, published in the prestigious Journal of the American Chemical Society, has demonstrated a way of improving the voltage of aqueous zinc-ion batteries, which are a type of rechargeable battery which have a water-based electrolyte.

QUT researchers involved in the study are Professor Ziqi Sun, Associate Professor Dongchen Qi, and Fan Zhang from the School of Chemistry and Physics, Professor Ting Liao and Professor Cheng Yan from the School of Mechanical, Medical and Process Engineering and Dr Aaron Micallef from the Central Analytical Research Facility.

May 1, 2024

Highly precise atomic clocks could soon get even better. Here’s how

Posted by in category: particle physics

The theory was developed by Neils Bohr’s great-grandson.

May 1, 2024

By 2040, 60% of “meat” won’t come from dead animals

Posted by in category: food

Approximately 60 percent of the meat people eat in 2040 won’t come from dead animals, but rather from plant-based substitutes and cultured meat, according to a 2019 report. “The large-scale livestock industry is viewed by many as an unnecessary evil,” the report states, adding later: “With the advantages of novel vegan meat replacements and cultured meat over conventionally produced meat, it is only a matter of time before they capture a substantial market share.”

The report — conducted by the consulting firm A.T. Kearney, and based on expert interviews — found that “classic vegan and vegetarian meat replacements as well as insect-based meat alternatives” probably won’t disrupt the $1,000 billion conventional meat industry.

May 1, 2024

Boston Dynamics Says Farewell to Its Humanoid Atlas Robot—Then Brings It Back Fully Electric

Posted by in categories: military, robotics/AI

Yesterday, Boston Dynamics announced it was retiring its hydraulic Atlas robot. Atlas has long been the standard bearer of advanced humanoid robots. Over the years, the company was known as much for its research robots as it was for slick viral videos of them working out in military fatigues, forming dance mobs, and doing parkour. Fittingly, the company put together a send-off video of Atlas’s greatest hits and blunders.

But there were clues this wasn’t really the end, not least of which was the specific inclusion of the word “hydraulic” and the last line of the video, “‘Til we meet again, Atlas.” It wasn’t a long hiatus. Today, the company released hydraulic Atlas’s successor—electric Atlas.

May 1, 2024

China battery price war could soon make electric cars cheaper. Here’s how

Posted by in categories: energy, sustainability, transportation

The main cost of an electric vehicle (EV) is its battery. The high cost of energy-dense batteries has meant EVs have long been more expensive than their fossil fuel equivalents.

But this could change faster than we thought. The world’s largest maker of batteries for electric cars, China’s CATL, claims it will slash the cost of its batteries by up to 50% this year, as a price war kicks off with the second largest maker in China, BYD subsidiary FinDreams.

What’s behind this? After the electric vehicle industry experienced a huge surge in 2022, it has hit headwinds. It ramped up faster than demand, triggering efforts to cut costs.

May 1, 2024

Robot Masters Terrain with Animal-Like Gait Transitions

Posted by in categories: biological, robotics/AI

Summary: Researchers leveraged deep reinforcement learning (DRL) to enable a robot to adaptively switch gaits, mimicking animal movements like trotting and pronking, to traverse complex terrains effectively. Their study explores the concept of viability—or fall prevention—as a primary motivator for such gait transitions, challenging previous beliefs that energy efficiency is the key driver.

This novel approach not only enhances the robot’s ability to handle challenging terrains but also provides deeper insights into animal locomotion. The team’s findings suggest that prioritizing fall prevention may lead to more agile and efficient robotic and biological movement across uneven surfaces.

May 1, 2024

Fusion in Space: New Plasma Thruster Tested Successfully

Posted by in categories: nuclear energy, space travel

Try Opera browser FOR FREE here https://opr.as/eiiu-sabine-hossenfelder Last week I saw a lot of headlines about a space propulsion system that uses nuclear fusion. The news comes from a company by name RocketStar Inc. which announced in a press release that they have “reinvented” spacecraft by releasing the “world’s first fusion-enhanced space thruster, the FireStar™ Fusion Drive. They claim that the FireStar TM Fusion Drive improves their water powered pulsed plasma thruster by harnessing aneutronic nuclear fusion by 50%. In this video I explain what this all means. 🤓 Check out my new quiz app ➜ http://quizwithit.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 👉 Transcript with links to references on Patreon ➜ / sabine 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsle… Audio only podcast ➜ https://open.spotify.com/show/0MkNfXl… 🔗 Join this channel to get access to perks ➜ / @sabinehossenfelder 🖼️ On instagram ➜ / sciencewtg #science #sciencenews #technews #technews #space #nuclear

May 1, 2024

2210.10656 (1).Pdf

Posted by in category: existential risks

Galactic settlement of low mass stars as a resolution to the fermi paradox.


Shared with Dropbox.

May 1, 2024

Scientists show that there is indeed an ‘entropy’ of quantum entanglement

Posted by in categories: computing, cosmology, quantum physics

Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lami from the University of Amsterdam have shown, through probabilistic calculations, that there is indeed, as had been hypothesized, a rule of “entropy” for the phenomenon of quantum entanglement. This finding could help drive a better understanding of quantum entanglement, which is a key resource that underlies much of the power of future quantum computers. Little is currently understood about the optimal ways to make an effective use of it, despite it being the focus of research in quantum information science for decades.

The second law of thermodynamics, which says that a system can never move to a state with lower “entropy”, or order, is one of the most fundamental laws of nature, and lies at the very heart of physics. It is what creates the “arrow of time,” and tells us the remarkable fact that the dynamics of general physical systems, even extremely complex ones such as gases or black holes, are encapsulated by a single function, its “entropy.”

There is a complication, however. The principle of entropy is known to apply to all classical systems, but today we are increasingly exploring the quantum world. We are now going through a quantum revolution, and it becomes crucially important to understand how we can extract and transform the expensive and fragile quantum resources.

May 1, 2024

For sale: Cheyenne supercomputer with 8,064 Xeon CPUs and 306TB of DDR4 memory — some assembly and maintenance required

Posted by in categories: government, supercomputing

Buyer is responsible for relocation of 26,000 pounds of equipment.

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