It's a truism at this point to say that Americans own a lot of guns. Case in point: This week, a fire chief in rural Alabama stopped to help a driver who had just hit a deer . The two men walked up the driveway of a nearby home. For reasons that remain unclear, a man came out of the house with a gun and started shooting. This was a bad idea on many levels, but most practically because both the fire chief and the driver were also armed . Between the three of them, everyone got shot, the fire chief died, and the man who lived in the home was charged with murder.

But despite the ease of acquiring legal weapons, a robust black market still exists to traffic in things like "ghost guns" (no serial numbers) and machine gun converters (which make a semi-automatic weapon into an automatic). According to a major new report released this month by the Bureau of Alcohol, Tobacco, Firearms, and Explosives, there was a 1,600 percent increase in the use of privately made "ghost guns" during crimes between 2017 and 2023. Between 2019 and 2023, the seizure of machine gun converters also increased by 784 percent.

Ars Technica has covered these issues for years , since both "ghost guns" and machine gun converters can be produced using 3D-printed parts, the schematics for which are now widely available online. But you can know about an issue and still be surprised when local prosecutors start talking about black market trafficking rings, inept burglary schemes, murder—and 3D printing operations being run out of a local apartment.

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It's a truism at this point to say that Americans own a lot of guns. Case in point: This week, a fire chief in rural Alabama stopped to help a driver who had just hit a deer . The two men walked up the driveway of a nearby home. For reasons that remain unclear, a man came out of the house with a gun and started shooting. This was a bad idea on many levels, but most practically because both the fire chief and the driver were also armed . Between the three of them, everyone got shot, the fire chief died, and the man who lived in the home was charged with murder.

But despite the ease of acquiring legal weapons, a robust black market still exists to traffic in things like "ghost guns" (no serial numbers) and machine gun converters (which make a semi-automatic weapon into an automatic). According to a major new report released this month by the Bureau of Alcohol, Tobacco, Firearms, and Explosives, there was a 1,600 percent increase in the use of privately made "ghost guns" during crimes between 2017 and 2023. Between 2019 and 2023, the seizure of machine gun converters also increased by 784 percent.

Ars Technica has covered these issues for years , since both "ghost guns" and machine gun converters can be produced using 3D-printed parts, the schematics for which are now widely available online. But you can know about an issue and still be surprised when local prosecutors start talking about black market trafficking rings, inept burglary schemes, murder—and 3D printing operations being run out of a local apartment.

Read full article

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It's a truism at this point to say that Americans own a lot of guns. Case in point: This week, a fire chief in rural Alabama stopped to help a driver who had just hit a deer . The two men walked up the driveway of a nearby home. For reasons that remain unclear, a man came out of the house with a gun and started shooting. This was a bad idea on many levels, but most practically because both the fire chief and the driver were also armed . Between the three of them, everyone got shot, the fire chief died, and the man who lived in the home was charged with murder.

But despite the ease of acquiring legal weapons, a robust black market still exists to traffic in things like "ghost guns" (no serial numbers) and machine gun converters (which make a semi-automatic weapon into an automatic). According to a major new report released this month by the Bureau of Alcohol, Tobacco, Firearms, and Explosives, there was a 1,600 percent increase in the use of privately made "ghost guns" during crimes between 2017 and 2023. Between 2019 and 2023, the seizure of machine gun converters also increased by 784 percent.

Ars Technica has covered these issues for years , since both "ghost guns" and machine gun converters can be produced using 3D-printed parts, the schematics for which are now widely available online. But you can know about an issue and still be surprised when local prosecutors start talking about black market trafficking rings, inept burglary schemes, murder—and 3D printing operations being run out of a local apartment.

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The World Health Organization has begun cost-cutting measures in preparation for a US withdrawal next year, according to reporting by Reuters .

On his first day in office, President Trump signed an executive order to withdraw the US from the United Nation's health agency. The country was a founding member of the WHO in 1948 and has since been a key member of the organization, which has 193 other member states. The executive order cited Trump's long-standing complaints about the agency's handling of the COVID-19 pandemic, dues payments, and alleged protection of China as the reasons for the withdrawal.

In a statement on Tuesday , the WHO said it "regrets" the announcement and hopes the US will reconsider.

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The World Health Organization has begun cost-cutting measures in preparation for a US withdrawal next year, according to reporting by Reuters .

On his first day in office, President Trump signed an executive order to withdraw the US from the United Nation's health agency. The country was a founding member of the WHO in 1948 and has since been a key member of the organization, which has 193 other member states. The executive order cited Trump's long-standing complaints about the agency's handling of the COVID-19 pandemic, dues payments, and alleged protection of China as the reasons for the withdrawal.

In a statement on Tuesday , the WHO said it "regrets" the announcement and hopes the US will reconsider.

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The World Health Organization has begun cost-cutting measures in preparation for a US withdrawal next year, according to reporting by Reuters .

On his first day in office, President Trump signed an executive order to withdraw the US from the United Nation's health agency. The country was a founding member of the WHO in 1948 and has since been a key member of the organization, which has 193 other member states. The executive order cited Trump's long-standing complaints about the agency's handling of the COVID-19 pandemic, dues payments, and alleged protection of China as the reasons for the withdrawal.

In a statement on Tuesday , the WHO said it "regrets" the announcement and hopes the US will reconsider.

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Nvidia is launching the first volley of RTX 50-series GPUs based on its new Blackwell architecture, starting with the RTX 5090 and working downward from there. The company also appears to be winding down support for a few of its older GPU architectures, according to these CUDA release notes spotted by Tom's Hardware .

The release notes say that CUDA support for the Maxwell, Pascal, and Volta GPU architectures "is considered feature-complete and will be frozen in an upcoming release." While all of these architectures—which collectively cover GeForce GPUs from the old GTX 700 series all the way up through 2016's GTX 1000 series, plus a couple of Quadro and Titan workstation cards—are still currently supported by Nvidia's December Game Ready driver package, the end of new CUDA feature support suggests that these GPUs will eventually be dropped from these driver packages soon.

It's common for Nvidia and AMD to drop support for another batch of architectures all at once every few years; Nvidia last dropped support for older cards in 2021 , and AMD dropped support for several prominent GPUs in 2023 . Both companies maintain a separate driver branch for some of their older cards but releases usually only happen every few months, and they focus on security updates, not on providing new features or performance optimizations for new games.

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Nvidia is launching the first volley of RTX 50-series GPUs based on its new Blackwell architecture, starting with the RTX 5090 and working downward from there. The company also appears to be winding down support for a few of its older GPU architectures, according to these CUDA release notes spotted by Tom's Hardware .

The release notes say that CUDA support for the Maxwell, Pascal, and Volta GPU architectures "is considered feature-complete and will be frozen in an upcoming release." While all of these architectures—which collectively cover GeForce GPUs from the old GTX 700 series all the way up through 2016's GTX 1000 series, plus a couple of Quadro and Titan workstation cards—are still currently supported by Nvidia's December Game Ready driver package, the end of new CUDA feature support suggests that these GPUs will eventually be dropped from these driver packages soon.

It's common for Nvidia and AMD to drop support for another batch of architectures all at once every few years; Nvidia last dropped support for older cards in 2021 , and AMD dropped support for several prominent GPUs in 2023 . Both companies maintain a separate driver branch for some of their older cards but releases usually only happen every few months, and they focus on security updates, not on providing new features or performance optimizations for new games.

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Nvidia is launching the first volley of RTX 50-series GPUs based on its new Blackwell architecture, starting with the RTX 5090 and working downward from there. The company also appears to be winding down support for a few of its older GPU architectures, according to these CUDA release notes spotted by Tom's Hardware .

The release notes say that CUDA support for the Maxwell, Pascal, and Volta GPU architectures "is considered feature-complete and will be frozen in an upcoming release." While all of these architectures—which collectively cover GeForce GPUs from the old GTX 700 series all the way up through 2016's GTX 1000 series, plus a couple of Quadro and Titan workstation cards—are still currently supported by Nvidia's December Game Ready driver package, the end of new CUDA feature support suggests that these GPUs will eventually be dropped from these driver packages soon.

It's common for Nvidia and AMD to drop support for another batch of architectures all at once every few years; Nvidia last dropped support for older cards in 2021 , and AMD dropped support for several prominent GPUs in 2023 . Both companies maintain a separate driver branch for some of their older cards but releases usually only happen every few months, and they focus on security updates, not on providing new features or performance optimizations for new games.

Read full article

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