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Jul 15, 2024

Japan aerospace agency provides details of October data breach

Posted by in category: cybercrime/malcode

JAXA has not said who the attackers were, but most cybersecurity observers are pointing the finger at state actors working for China.

“The fact that a space agency was targeted with a sophisticated complex attack indicates a state actor with goals to compromise data, not just gather intelligence or send a political message, with the lead suspect being a China affiliated cyber security private company of some sort,” said Irina Tsukerman, a geopolitical analyst and the president of Scarab Rising, a global strategy advisory firm. “Such an attack is likely the work of either a state-backed independent hacker, possibly part of an intelligence gathering gang, whose methods could potentially be analyzed and compared to prior such attacks, or it could be attributed to a private cybersecurity company, most likely affiliated with China, in which case prior incidents could be harder to detect. The most interesting detail was the description of the attack and the fact that the attacker used several different types of malware and nevertheless went undetected.

Jul 15, 2024

New framework enables animal-like agile movements in four-legged robots

Posted by in categories: information science, robotics/AI

Four-legged animals are innately capable of agile and adaptable movements, which allow them to move on a wide range of terrains. Over the past decades, roboticists worldwide have been trying to effectively reproduce these movements in quadrupedal (i.e., four-legged) robots.

Computational models trained via reinforcement learning have been found to achieve particularly promising results for enabling agile locomotion in quadruped robots. However, these models are typically trained in simulated environments and their performance sometimes declines when they are applied to real robots in real-world environments.

Alternative approaches to realizing agile quadruped locomotion utilize footage of moving animals collected by and cameras as demonstrations, which are used to train controllers (i.e., algorithms for executing the movements of robots). This approach, dubbed “imitation learning,” was found to enable the reproduction of animal-like movements in some quadrupedal robots.

Jul 15, 2024

ESCAPADE on schedule for launch this fall

Posted by in category: space travel

BUSAN, South Korea — A NASA smallsat mission to Mars remains on track to launch this fall, although without a specific launch date yet.

In a presentation at the Committee on Space Research (COSPAR) 45th Scientific Assembly here July 15, Rob Lillis of the University of California Berkeley Space Sciences Laboratory said the Escape and Plasma Acceleration and Dynamics Explorers (ESCAPADE) mission was still scheduled to launch within a few months on the inaugural flight of Blue Origin’s New Glenn rocket.

ESCAPADE features two identical smallsats, called Blue and Gold, that will go into orbit around Mars. The spacecraft carry instruments to study the planet’s magnetosphere and its interaction with the solar wind.

Jul 15, 2024

Astronaut Joe Engle, Last Surviving X-15 Pilot, Dies at 91

Posted by in categories: education, engineering, space travel

Joe Engle, who had the distinction of being the only astronaut to pilot an X-15 aircraft and a space shuttle, died in Houston on Wednesday, July 10. He was 91 years old.

NASA announced the death of Engle, a retired U.S. Air Force major general. The space agency said in its news release that Engle was the last surviving X-15 pilot.

The Kansas native graduated in 1955 from the University of Kansas, Lawrence, with an aeronautical engineering degree. According to his NASA biography, he “received his commission through the Air Force ROTC program at the University of Kansas and entered USAF flying school in March 1956.”

Jul 15, 2024

AI demand puts more pressure on data centers’ energy use. Here’s how to make it sustainable

Posted by in categories: robotics/AI, sustainability

There are several ways the industry is addressing this energy crisis. First, computing hardware has gotten substantially more energy efficient over the years in terms of the operations executed per watt consumed. Data centers’ power use efficiency, a metric that shows the ratio of power consumed for computing versus for cooling and other infrastructure, has been reduced to 1.5 on average, and even to an impressive 1.2 in advanced facilities. New data centers have more efficient cooling by using water cooling and external cool air when it’s available.

Unfortunately, efficiency alone is not going to solve the sustainability problem. In fact, Jevons paradox points to how efficiency may result in an increase of energy consumption in the longer run. In addition, hardware efficiency gains have slowed down substantially, as the industry has hit the limits of chip technology scaling.

Jul 15, 2024

Human-like Episodic Memory for Infinite Context LLMs

Posted by in category: futurism

Zafeirios Fountas, Martin A Benfeghoul, Adnan Oomerjee, Fenia Christopoulou, Gerasimos Lampouras, Haitham Bou-Ammar, Jun Wang Huawei’s Noah’s Ark Lab London & University College London.

- Challenge with…

Join the discussion on this paper page.

Jul 15, 2024

Integrating small-angle neutron scattering with machine learning enhances measurements of complex molecular structures

Posted by in categories: chemistry, information science, nanotechnology, robotics/AI

Small-angle scattering (SAS) is a powerful technique for studying nanoscale samples. So far, however, its use in research has been held back by its inability to operate without some prior knowledge of a sample’s chemical composition. Through new research published in The European Physical Journal E, Eugen Anitas at the Bogoliubov Laboratory of Theoretical Physics in Dubna, Russia, presents a more advanced approach, which integrates SAS with machine learning algorithms.

Jul 15, 2024

Prussian blue analogs unlock affordable, long-lasting lithium-ion batteries

Posted by in categories: chemistry, engineering

Prussian blue (PB), a well-known pigment used to dye jeans, has been recognized as an emerging material for next-generation batteries. A team of researchers, led by Professor Hyun-Wook Lee in the School of Energy and Chemical Engineering at UNIST has made a significant breakthrough in the development of low-cost, high-performance lithium-ion batteries (LIBs) using PB, leading to significantly reduced battery prices.

Jul 14, 2024

Levitate a Magnet with Bismuth Crystals — No Energy Cost, Indefinite Levitation — NightHawkInLight

Posted by in category: energy

How to levitate a magnet with no batteries, external power, or trickery. It floats on pure SCIENCE!Below are some links you can use to purchase bismuth and…

Jul 14, 2024

Nuclear Magnetic Resonance in Bismuth Metal

Posted by in category: transportation

Bismuth being used this way can lead to flying cars or spacecraft face_with_colon_three

The nuclear magnetic resonance in bismuth metal powder has been observed from 9 to 19 Mc/sec at 4.2\ifmmode^\circ\else\textdegree\fi{}K. The isotropic and anisotropic Knight shifts and the quadrupole coupling constant have been determined as (−1.25\ifmmode\pm\else\textpm\fi{}.30)%, (−0.3\ifmmode\pm\else\textpm\fi{}0.3)%, and 2.10\ifmmode\pm\else\textpm\fi{}.05 Mc/sec, respectively. The intrinsic linewidth was found to be 130\ifmmode\pm\else\textpm\fi{}20 kc/sec. A technique is developed to take into consideration the broadening of the observed lines due to the combined effects of the magnetic dipolar broadening and the width due to the quadrupolar splitting of each line.

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