scrap Archives - usatoday24

China is taking away all its scrap paying up to five times more

June 4, 2026 by usatoday24

The scene seems like something out of an industrial espionage thriller, but it takes place in broad daylight. As anticipated Financial TimesChinese buyers are making appointments in the parking lots of stores like Home Depot in the United States to discreetly purchase lots of scrap metal valued at more than $20,000. This is the front line of a silent war for global resources. According to this same media, Asian intermediaries are sweeping up American scrapyards and paying up to five times the usual price, snatching the material from local recyclers. The director of a recycling company in Texas sums it up bluntly: “it’s a secret war that no one talks about.” Why so much interest in residual remains? The answer lies in the metal that makes them up. As explained The Conversation, Tungsten – whose name means “heavy stone” in Swedish – has the highest melting point of all known metals, reaching 3,422 °C. Furthermore, its extreme hardness and resistance to thermal shocks make it an absolutely irreplaceable material for manufacturing everything from aerospace technology to armor-piercing military ammunition. Market strangulation. China currently controls almost 79% of global tungsten production. As detailed in an analysis by expert John Connortension erupted in February 2025, when Beijing tightened its export controls in retaliation for US tariffs, cutting its shipments to the West by a drastic 40%. The economic impact of this decision was devastating. The restriction caused a strangulation of the market and a brutal increase in prices, which shot up 557% to reach $2,250 per metric ton. The great paradox is that, while the global shortage of virgin tungsten is caused by Beijing’s quotas, it is China itself that hoards recycled American scrap—such as worn-out industrial drill bits—to take it back to Asia through third countries such as Canada or Dubai. Industry analysts warn of imminent danger: If China officially reopens its doors to direct imports of scrap metal, the result will be a disaster for supply in the rest of the world. The global board. Today, almost absolute control of these supply chains gives China immense commercial and geopolitical power. This dominant position allows Beijing to use critical technologies and materials—so-called “bottlenecks”—as a lever of international influence that it can pull at will. Faced with this drain on resources, the debate has reached the highest levels. The report of Financial Times collect voices within the recycling industry and the US Congress demanding an immediate ban on the export of tungsten scrap to China to protect national security. However, the United States faces a temporary impasse: the country currently lacks the processing capacity necessary to convert all that exported scrap into useful finished products for its industry. In search of extraction. As Connor explainsthe solution inevitably involves diplomacy and investment abroad. The expert points out that Kazakhstan, which has the largest reserves of tungsten outside China (estimated at about two million tons), has become the center of the US strategy, attracting government-backed investments to develop local mines. But the race is head to head and Beijing has not sat idly by. In fact, China has already moved ahead in the Central Asia region, having started commercial production at the gigantic Boguty mine in Kazakh territory. At the same time, new Western actors are trying to close the gap. The financial portal Trading View informs that companies such as the Canadian mining company Allied Critical Metals are committed to revitalizing historic European projects, such as Borralha in northern Portugal. The company has a clear objective: to start the production of tungsten concentrate before the end of 2026 to meet the urgent demand in the West. Industrial ingenuity versus dumping. The middle The Conversation provides a historical parallel extremely interesting: during World War II, faced with the critical shortage of molybdenum caused by attacks by German submarines on maritime convoys, engineers from the British company Vickers managed to innovate by recycling the metal directly from mining drill bits. Today, that same logic applies to tungsten, which has a very high recycling rate of 42% globally. In Western markets this figure shoots up to an impressive 70%, driven precisely by the need to compensate for Chinese dominance over the primary mineral. In addition to technical innovation, state protection strategies gain prominence. In March South Korean Sangdong mine opened; Once at full capacity, this facility could produce more than 80% of the world’s non-Chinese tungsten. The most notable thing about this project is that the Seoul government has established a guaranteed minimum price for the mineral, thus protecting the operation from possible practices of dumping. Flooding the market to artificially depress prices is a tactic China has used successfully in the past to bankrupt Western investors in the critical minerals sector. An imminent warning for the West. The clock is ticking and the consequences of inaction could be fatal. An imminent and dangerous reality stalks the West: the Third Gulf War has consumed munitions at a staggering rate and depleted US stockpiles of tungsten-dependent missiles such as the Patriot and THAAD systems. taking them to historic lows. Without a stable and massive supply to quickly replenish these arsenals, the US military risks a true military disaster should a larger conflict break out, such as a direct confrontation over Taiwan. As a final reflection, andThese restrictive tactics from Beijing should be read as a stern warning. The current tungsten crisis should force Western governments to wake up once and for all and “de-risk” (de-risk) urgently their supply chains. Only by building an independent industrial network can the Western world avoid making its security and economy dependent on the monopoly of a single country. Image | Unsplash Xataka | The US is withdrawing soldiers from Europe. His plan to reassure her is to leave something much more disturbing in front of Russia.

It had been listed as “scrap” in a museum for 100 years. Now we know that it is the piece that advanced Egyptian engineering by 2,000 years.

February 26, 2026 by usatoday24

If we think about the ancient egyptian technologythe images that come to mind are the monumental ones pyramids of giza or the great obelisks of the New Kingdom. However, the foundations of this technological feat were forged long before, as pointed out by a new archaeological study that has identified the oldest rotating metal drill in Egypt, a discovery that advances the mastery of this tool by more than two millennia and that rewrites the history of the technology in the Nile Valley. Where was it found? The story of this discovery, the truth is, could fit into a series called “Archaeological CSI”, since it all started with an identified object like a tiny piece of metal that measures just 63 millimeters and weighs 1.5 grams. This was excavated a century ago in tomb 3932 of the Badari cemetery in Upper Egypt, and had lain forgotten ever since. Literally ignored in a drawer at the Museum of Archeology and Anthropology at the University of Cambridge, was this object that caught the attention of a research team that decided to follow his trail using the most modern technology. A drill. What was initially classified as a simple and insignificant punch was actually a bow drill. This is the conclusion of this new exhaustive analysis of the piece, where they have been able to see unmistakable marks of its mechanical use such as rotational grooves, a specific curvature for tension and microscopic remains of leather rope. How it worked. What today is a drill that works connected to electricity, in ancient times, the bow drill worked by winding the string of a bow around an axle that held the drill bit. In this way, by moving the bow back and forth, the drill bit rotated at high speed. Its importance. As the researcher points out, the Egyptians had the ability to master this rotation technology more than two millennia before the first sets of drills that humanity knew today. This once again shows us how advanced it could be in its context in the art of construction. Unusual alloy. The big question here is how such an ancient tool could drill hard materials without deforming. And the answer is in chemistry. In this case, the researchers they used portable X-ray fluorescence spectrometry and saw that the drill was not made of just copper, but was an alloy of arsenic, nickel, lead and silver. A combination that is not coincidental, since the presence of arsenic gave the copper a much higher hardness, transforming the metal into a high-performance tool capable of resisting continuous friction. The trade. Beyond the mechanical value, for historians this mixture of metals is also really important because it points to strong commercial connections with the eastern Mediterranean, revealing that predynastic Egypt was not only innovating technologically, but was connected to a global network of exchange of exotic materials long before the unification of the pharaohs. The technological history. Until now, the official narrative placed the perfection of these rotating metal tools much later in the Egyptian timeline. But now, this tiny forgotten object forces us to recalibrate our understanding of human ingenuity. Images | Martin Odler Osama Elsayed In Xataka | To transport us to Ancient Egypt, researchers have been doing one thing for months: smelling mummies from 5,000 years ago

The new space race has created Boomerang scrap. The probability that clash against a plane has also increased

February 16, 2025 by usatoday24

We are launching more rockets to space than ever. Between China and Spacex, they occur releases every few days in a new space race with multiple objectives on the horizon. It’s something that is lowering space transportationbut also generates a new problem: the amount of scrap that orbits our planet. And this generates another conflict: with more satellites and rockets in orbit, the risk that a fragment of some of them hit a plane is increasingly high. At the University of British Columbia they have proposed to analyze it and have determined that, to anyone’s surprise, the consequences of the clash would be devastating. The problem. Beyond the test rockets, transport of goods and people, something that is causing more and more launching are the satellites that bring the internet to any corner. There are several players in this segment, but Spacex carries the front with its program Starlink. These satellites are sent in rockets that, when they fulfill their function, lose height and return to the planet. Some partially disintegrate and others, to the re -enter the atmosphere without controlthey fall anywhere. The ocean is usually the main receptacle, it is also possible that they fall in urban areas or that, on their way, they clash against a plane. The probability. First of all, tranquility: the risk that these space debris impact an plane is still low, very low. According to The Aerospace Corporation, in 2021 (when they were thrown, but it was not the current fever), that risk was one between 100,000, or 0.001%. The system predicted, taking into account future releases, which by 2035 would rise to seven out of 10,000, or what is equal to 0.07%. It is, as we say, a low probability, but that is there. In the study From the University of British Columbia they have analyzed how all this depends on air traffic density. Taking as an example the traffic of September 1, 2023, and the United States as a area, we can see that, every year, there is a 99% probability that the resentments of rocket bodies occur in green areas, 75% in the yellow, 26% in oranges and 0.8% in red. Las Rojas are the most activity areas, such as the main airports, oranges are large cities and green and green move away from urban nuclei and, therefore, from the agglomeration of airplanes. Long March 5B. Beyond the direct clash of this space scrap against a plane, something whose probability remains exceptionally low, there is another problem: the danger of happening and leads to the decision to cut the airspace. On November 4, 2022, the body of the Long March 5B rocket, 20 tons of weight, re -entered the atmosphere, falling on the Pacific Ocean. All good, but it might not have been like this: the entrance location was the product of chance, since the body of the rocket was abandoned in the orbit and a planned design was not made for the re -entry of the remains. Consequences. The night before the reentry, different surveillance agencies, as well as the European Air Safety Agency, issued reports in which they encouraged national authorities to restrict airspace “in a corridor of at least 70 kilometers and up to 120 kilometers on each side of the estimated reentry trajectory ”of the rocket. Spanish and French authorities complied with this and They closed part of their airspace. As a result, 645 flights were delayed, with an average of 29 minutes per plane. In addition, some airplanes that were in full flight had to return to the origin airport or take a detour. It was the evidence of a lack of planning, anticipation and control over this space scrap. Interestingly, Portugal, Italy and Greece did not make the decision to close, generating other problems in their airports due to the unexpected increase in air traffic due to deviant flights. In purple, the airspace closed by the Long March 5B. In blue, his career and fall Solutions. Unfortunately, although this is a problem that will go more, controlling the reentry of space debris is not something that has an immediate solution. The researchers propose that those responsible for launching rockets also invest in controllable reentry technologies so that they do not enter the atmosphere unpredictably. These technologies include engines capable of re -effective to partially direct the rocket, but also a better mission planning so that the rocket falls into a remote area of the ocean, far from populations and, evidently, air traffic. The problem is that, although the technology is there, they estimate that less than 35% of the launches perform these controlled inputs and, with 2,300 bodies in orbit with an annual increase of between 30 and 40 bodies, the risks will continue to increase. In 2001, the titanium engine coating of the third stage of a Delta 2, with a weight of approximately 70 kg, landed in Saudi Arabia, about 240 km from the capital Obviously, it is also a huge money expense, so achievements such as catch the Starship propeller and the advances of Spacex engineers so as not to have launch and throw rockets They are so important. And a global protocol is also necessary to manage these resentments and make coordinated decisions, not to delegate everything in an aeronautical industry that is not responsible. In the end, it is much more likely that there are alterations in air traffic due to this space garbage than to the clash of one of these remains with a plane, but whenever this probability is not zero, solutions must be contemplated. Images | Nature, Spacex In Xataka | The capture of the Super Heavy changes everything: Spacex has gone from being 9 years ahead of the industry to not having a rival

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