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Category: military – Page 55

Polynesians exposed to fallout from France’s nuclear tests in the South Pacific have a slightly increased risk of developing thyroid cancer, a study suggested on Monday that used declassified military data for the first time.

France carried out 41 atmospheric nuclear weapon tests in French Polynesia between 1966 and 1975, exposing residents to fallout which has been a source of lasting friction between Paris and residents of the Pacific archipelago.

The study, published in the journal JAMA Network Open, used risk modeling to estimate that the were associated with between 0.6 percent and 7.7 percent of in French Polynesia.

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An aqueous lithium-ion battery would be safer than the ones being used in EVs today. So why aren’t car companies switching to it?

In the meantime, aqueous Li-ion technology is finding niche uses where limited resilience and longevity are less of an issue such as for the military.

Aqueous Li-ion Recyclability

If the fire and explosion issues aren’t enough to give battery developers reasons to look at other improvements, recyclability to reduce pollution should be high on the list. An aqueous Li-ion battery eliminates the use of toxic materials that require invasive and destructive methods to mine and transform for manufacturing. The processes are currently so complex and expensive that recycling Li-ion batteries is largely not done by companies that use them in EVs and other devices. Only recently have specialized Li-ion recyclers emerged like Li-Cycle, a Canadian-based company that announced the building of a new European recycling hub a few days ago. Changing the technology to aqueous Li-ion would make the job of recycling companies and the reuse of the recovered materials far more attractive.

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The following statement is utterly ludicrous. It is also true. The world’s most important advanced technology is nearly all produced in a single facility. What’s more, that facility is located in one of the most geopolitically fraught areas on earth—an area in which many analysts believe that war is inevitable within the decade.

The future of artificial intelligence hangs in the balance.

TSMC’s chip fabrication facilities, or “fabs”—the buildings where chips are physically built—sit on the western coast of Taiwan, a mere 110 miles from mainland China.

Today, Taiwan and China are nearer to the brink of war than they have been in decades. With tensions escalating, China has begun carrying out military exercises around Taiwan of unprecedented scale and intensity. Many policymakers in Washington predict that China will invade Taiwan by 2027 or even 2025.

A China/Taiwan conflict would be devastating for many reasons. One underappreciated consequence is that it would paralyze the global AI ecosystem. Put simply, the entire field of artificial intelligence faces an astonishingly precarious single point of failure in Taiwan. Amid all the fervor around AI today, this fact is not widely enough appreciated. If you are working on or interested in AI, you need to be paying attention.

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Helmeted and harnessed directly behind my pilot, I prepare for takeoff as the cockpit canopy shuts over us. It could be a scene from Top Gun: Maverick save for the fact that we’re not launching from an aircraft carrier but pulling out of pit lane at the Thermal Club’s track in a final prototype of the Czinger 21C hypercar.

The $2 million, carbon-fiber-bodied, tandem-seat Czinger 21C astounds with specs—1,250 hp, zero to 62 mph in 1.9 seconds, a claimed top speed of 253 mph—and recently blew away the McLaren P1’s production-car track record at Circuit of the Americas by six seconds. But more impressive—seriously—is the hybrid’s build process: The main structural components are designed by Czinger’s proprietary AI software and then 3D-printed. “These structures cannot be made more perfect for the requirements inputted,” says Kevin Czinger, who, along with his son Lukas, cofounded Los Angeles–based Czinger Vehicles. “You could have 1,000 engineers and they would never get to this solution.”

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Welcome to Edition 5.36 of the Rocket Report! A long time ago in a galaxy far, far away, the space media were given a May 4 launch date for United Launch Alliance’s Vulcan rocket. Alas, May the 4th, in 2023, wasn’t meant to be. In this week’s report, I explain why.

As always, we welcome reader submissions, and if you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Electron to serve as a hypersonics test bed. Rocket Lab’s small booster will use essentially the same first and second stages for hypersonic test flights, but it will have a modified kick stage that will allow Electron to deploy payloads with a mass of up to 600 kg into trajectories five times greater than the speed of sound, Ars reports. The Army, Navy, and Air Force are all developing hypersonic missiles to provide a fast-moving, maneuverable capability for striking targets quickly from thousands of kilometers away. Among the research problems the military likely wants to test is managing the extreme heat that hypersonic missiles are exposed to by traveling at high speeds in the atmosphere for most of their flight.

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“First of all, the environment has changed, and the need for more resilient energy transport methods for military operations is at a premium,” explained Col. Paul “Promo” Calhoun to Popular Mechanics in an exclusive interview. American forces operate globally like the special operations units he resupplied as a C-17 cargo pilot, from outposts in the South China Sea to the Iraqi desert. Since there is no simple way to power them, many forces use their radars, anti-drone microwave weapons, lasers, or other energy-intensive equipment. And with each passing year, the severity of the issue increases.

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In this video, the YouTube channel Dark Footage explains and demonstrates how the small-caliber guided bullet was developed and how accurate it is. As explained in the description box, this system combines a movable bullet with a guidance framework that can alter the bullet’s path after it has been fired. This guarantees the bullet reaches its target no matter what. Yes, this means both experienced and inexperienced shooters can hit a moving target using the technology.

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He thinks about Robert Oppenheimer and the Manhattan Project that led to the atomic bomb, Hiroshima, and Nagasaki, and the current state of mutually assured destruction (MAD). It started with a science experiment to split the atom and soon the genie was released from the bottle.

I think of the arrival of generalized AI like ChatGPT as being equivalent to the revolution brought on by the invention of movable type and the printing press. Would the Reformation in Europe have happened without it? Would Europe’s rise to world dominance in the 18th and 19th centuries have resulted? The printing press genie uncorked led to a generalized knowledge revolution with both good and bad consequences.

The future uncorked AI genie with no guidance from us could, in answering the question I asked at the beginning of this posting, see humanity as the greatest threat to life on the planet and act accordingly if we don’t gain control over it.

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People’s Liberation Army (PLA) researchers claim they have created algorithm-based technology to defeat sophisticated hypersonic missile interception systems.

Engineers led by Zhang Xuesong from China’s Strategic Support Force Information Engineering University developed the algorithm that analyzes the trajectory of hypersonic missiles in order to avoid detection by missile defense systems, South China Morning Post (SCMP) reported on Saturday.

The algorithm “can analyze the trajectory of these hypersonic weapons to help them avoid missile defense systems, including advanced systems under development” in the US, claimed the engineers in a paper published in the Chinese journal Common Control and Simulation last month.

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According to the South China Morning Post, a Chinese private company is planning to develop a constellation of satellites akin to Starlink for Chinese hypersonic craft.

GalaxySpace.

Called GalaxySpace, according to some space experts, it is “somewhat unusual” for a commercial company to participate in China’s hypersonic program. This is because China’s hypersonic flight program is normally used for military purposes. Others hailed the action as a significant step forward, emphasizing how private sector innovation may enhance the nation’s space capabilities.

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