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Category: military – Page 17

Octopus Ink Extends Lifespan & Improves Cognition in Mice

New research from the Academy of Military Medical Sciences in Beijing has uncovered a rather intriguing finding: natural melanin nanozymes (NMNs) derived from octopus ink may potentially slow ageing, protect against neurodegenerative diseases, and extend lifespan. Published in ACS Omega, the study reveals how these nanozymes work at the cellular level to mitigate oxidative stress, improve gut health, and enhance brain function, offering a new frontier in anti-ageing and neurological research.

What are Melanin Nanozymes?

Melanin, best known as the pigment responsible for skin and hair colour, has also been recognized for its potent antioxidant properties. Nanozymes created from natural melanin, like those extracted from octopus ink, mimic the activity of antioxidant enzymes such as superoxide dismutase (SOD). These nanozymes neutralize free radicals, reduce oxidative stress, and improve cellular health—processes that are critical in mitigating ageing and the onset of neurodegenerative diseases.

The New Dawn: The Orion Project Spaceship Revitalized

To unite humanity.

Before we landed on the Moon, in the early days of the Cold War, Project Orion contemplated using Nuclear Bombs to power spaceships to new worlds and stars. More than half a century later, new technologies may see this concept reintroduced bigger, better, and safer. Could the most terrifying weapon of the 20th Century become the Great Hope of the 21st?

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Credits:
The New Dawn: The Orion Project Spaceship Revitalized.
Science \& Futurism with Isaac Arthur.
Episode 324, January 6, 2022
Written, Produced \& Narrated by Isaac Arthur.

Script Contributors:

Continue reading “The New Dawn: The Orion Project Spaceship Revitalized” | >

World’s fastest supercomputer, “El Capitan,” goes online to safeguard US nuclear weapons

El Capitan can reach a peak performance of 2.746 exaFLOPS, making it the National Nuclear Security Administration’s first exascale supercomputer. It’s the world’s third exascale machine after the Frontier supercomputer at Oak Ridge National Laboratory in Tennessee and the Aurora supercomputer at the Argonne Leadership Computing Facility, also in Illinois.

The world’s fastest supercomputer is powered by more than 11 million CPU and GPU cores integrated into 43,000+ AMD Instinct MI300A accelerators. Each MI300A APU comprises an EPYC Genoa 24-core CPU clocked at 1.8GHz and a CDNA3 GPU integrated onto a single organic package, along with 128GB of HBM3 memory.

Controlling plasma heat in a fusion energy power plant: ‘Louvers’ on fusion device should exhaust gases as hot as a star

Commonwealth Fusion Systems (CFS) is developing a tokamak device called SPARC. The company aims to demonstrate the critical fusion energy milestone of producing more output power than input power for the first time in a device that can scale up to commercial power plant size. However, this achievement is only possible if the plasma doesn’t melt the device.

Researchers from CFS and Oak Ridge National Laboratory (ORNL) have collaborated on fusion boundary research through a series of projects, including ORNL Strategic Partnership Projects and Laboratory Directed Research and Development projects, work under the Innovation Network for Fusion Energy (INFUSE), and other work in partnership with General Atomics.

Throughout this collaboration, ORNL has developed simulation capabilities required to address critical and time-sensitive design issues for the SPARC .

A.I. Military Start-Up Anduril Plans $1 Billion Factory in Ohio

Anduril, a technology start-up that designs autonomous systems and weapons for government agencies and the military, plans to build a $1 billion factory in Columbus, Ohio, the company said on Thursday.

It said the factory, called Arsenal-1 and described as a “hyperscale” plant, would bring more than 4,000 job to Ohio and eventually produce tens of thousands of autonomous systems and weapons each year.

“We will be creating with our partners in Ohio something that does not currently exist” at such a scale, Anduril’s chief strategy officer, Chris Brose, said in a briefing with reporters. The company has worked closely with state officials on the project and has secured tax breaks to locate it in Columbus.

NASA’s X-43A: The Mach 9.6 Hypersonic Marvel

Key Points and Summary: NASA’s X-43A hypersonic research aircraft made history in 2004 by reaching Mach 9.64, or 6,363 mph, at an altitude of 110,000 feet.-Powered by a cutting-edge scramjet engine, the X-43A demonstrated the efficiency of air-breathing propulsion for hypersonic flight.-Developed as part of NASA’s “better, faster, cheaper” program, the X-43A was […].

Study Reveals Why Saber Teeth Evolved Repeatedly in Prehistoric Predators

Saber teeth – the long, sharp, blade-like canines found in extinct predators such as Smilodon – represent one of the most extreme dental adaptations in nature.

They evolved at least five times throughout mammalian history and are a classic example of convergence, which is when similar structures evolve independently in unrelated animal groups.

With no living representatives, scientists have long debated how these predators used their fearsome teeth, and why this extreme tooth shape evolved so often.

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