On Wednesday, the world was a bit perplexed by the Grok LLM's sudden insistence on turning practically every response toward the topic of alleged "white genocide" in South Africa . xAI now says that odd behavior was the result of "an unauthorized modification" to the Grok system prompt—the core set of directions for how the LLM should behave.

That prompt modification "directed Grok to provide a specific response on a political topic" and "violated xAI's internal policies and core values," xAI wrote on social media . The code review process in place for such changes was "circumvented in this incident," it continued, without providing further details on how such circumvention could occur.

To prevent similar problems from happening in the future, xAI says it has now implemented "additional checks and measures to ensure that xAI employees can't modify the prompt without review" as well as putting in place "a 24/7 monitoring team" to respond to any widespread issues with Grok's responses.

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On Wednesday, the world was a bit perplexed by the Grok LLM's sudden insistence on turning practically every response toward the topic of alleged "white genocide" in South Africa . xAI now says that odd behavior was the result of "an unauthorized modification" to the Grok system prompt—the core set of directions for how the LLM should behave.

That prompt modification "directed Grok to provide a specific response on a political topic" and "violated xAI's internal policies and core values," xAI wrote on social media . The code review process in place for such changes was "circumvented in this incident," it continued, without providing further details on how such circumvention could occur.

To prevent similar problems from happening in the future, xAI says it has now implemented "additional checks and measures to ensure that xAI employees can't modify the prompt without review" as well as putting in place "a 24/7 monitoring team" to respond to any widespread issues with Grok's responses.

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On Wednesday, the world was a bit perplexed by the Grok LLM's sudden insistence on turning practically every response toward the topic of alleged "white genocide" in South Africa . xAI now says that odd behavior was the result of "an unauthorized modification" to the Grok system prompt—the core set of directions for how the LLM should behave.

That prompt modification "directed Grok to provide a specific response on a political topic" and "violated xAI's internal policies and core values," xAI wrote on social media . The code review process in place for such changes was "circumvented in this incident," it continued, without providing further details on how such circumvention could occur.

To prevent similar problems from happening in the future, xAI says it has now implemented "additional checks and measures to ensure that xAI employees can't modify the prompt without review" as well as putting in place "a 24/7 monitoring team" to respond to any widespread issues with Grok's responses.

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When my colleague Kyle Orland submitted Tetrisweeper for a list of Ars' favorite 2024 games not from 2024 , I told him, essentially: "Good for you, not for me." I'm a pedestrian Tetris player, at best, so the idea of managing a whole different game mechanic, while trying to clear lines and prevent stack-ups, sounded like taking a standardized test while baking a three-layer cake.

And yet, here I am, sneaking rounds of Drop Duchy ( Steam , Epic , for Windows/Linux via Proton) into lunch breaks, weekend mornings, and other bits of downtime. Drop Duchy is similarly not just a Tetris -esque block-dropper. It also has you:

• Aligning terrain types for resources
• Placing both your troops and the enemy's
• Choosing which cards to upgrade, sell, and bring into battle
• Picking between terrain types to leave behind
• Upgrading a tech tree with achievements
• Picking the sequence of battles for maximum effectiveness

Drop Duchy is a quirky game, one that hasn't entirely fused together its various influences without some seams showing. But I keep returning to it, even as it beats me to a pulp on Normal mode, based on decisions I made five rounds ago. It feels like a medium-deep board game, played at triple speed, with someone across the table timing you on how fast you arrange your tiles.

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When my colleague Kyle Orland submitted Tetrisweeper for a list of Ars' favorite 2024 games not from 2024 , I told him, essentially: "Good for you, not for me." I'm a pedestrian Tetris player, at best, so the idea of managing a whole different game mechanic, while trying to clear lines and prevent stack-ups, sounded like taking a standardized test while baking a three-layer cake.

And yet, here I am, sneaking rounds of Drop Duchy ( Steam , Epic , for Windows/Linux via Proton) into lunch breaks, weekend mornings, and other bits of downtime. Drop Duchy is similarly not just a Tetris -esque block-dropper. It also has you:

• Aligning terrain types for resources
• Placing both your troops and the enemy's
• Choosing which cards to upgrade, sell, and bring into battle
• Picking between terrain types to leave behind
• Upgrading a tech tree with achievements
• Picking the sequence of battles for maximum effectiveness

Drop Duchy is a quirky game, one that hasn't entirely fused together its various influences without some seams showing. But I keep returning to it, even as it beats me to a pulp on Normal mode, based on decisions I made five rounds ago. It feels like a medium-deep board game, played at triple speed, with someone across the table timing you on how fast you arrange your tiles.

Read full article

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When my colleague Kyle Orland submitted Tetrisweeper for a list of Ars' favorite 2024 games not from 2024 , I told him, essentially: "Good for you, not for me." I'm a pedestrian Tetris player, at best, so the idea of managing a whole different game mechanic, while trying to clear lines and prevent stack-ups, sounded like taking a standardized test while baking a three-layer cake.

And yet, here I am, sneaking rounds of Drop Duchy ( Steam , Epic , for Windows/Linux via Proton) into lunch breaks, weekend mornings, and other bits of downtime. Drop Duchy is similarly not just a Tetris -esque block-dropper. It also has you:

• Aligning terrain types for resources
• Placing both your troops and the enemy's
• Choosing which cards to upgrade, sell, and bring into battle
• Picking between terrain types to leave behind
• Upgrading a tech tree with achievements
• Picking the sequence of battles for maximum effectiveness

Drop Duchy is a quirky game, one that hasn't entirely fused together its various influences without some seams showing. But I keep returning to it, even as it beats me to a pulp on Normal mode, based on decisions I made five rounds ago. It feels like a medium-deep board game, played at triple speed, with someone across the table timing you on how fast you arrange your tiles.

Read full article

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Welcome to Edition 7.44 of the Rocket Report! We had some interesting news on Thursday afternoon from Down Under. As Gilmour Space was preparing for the second launch attempt of its Eris vehicle, as part of the pre-launch preparations, something triggered the payload fairing to deploy. We would love to see some video of that. Please.

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.

Rotating detonation rocket engine takes flight . On Wednesday, US-based propulsion company Venus Aerospace completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico, Ars reports . It is believed to be the first US-based flight test of an idea that has been discussed academically for decades. The concept has previously been tested in a handful of other countries, but never with a high-thrust engine.

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Welcome to Edition 7.44 of the Rocket Report! We had some interesting news on Thursday afternoon from Down Under. As Gilmour Space was preparing for the second launch attempt of its Eris vehicle, as part of the pre-launch preparations, something triggered the payload fairing to deploy. We would love to see some video of that. Please.

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.

Rotating detonation rocket engine takes flight . On Wednesday, US-based propulsion company Venus Aerospace completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico, Ars reports . It is believed to be the first US-based flight test of an idea that has been discussed academically for decades. The concept has previously been tested in a handful of other countries, but never with a high-thrust engine.

Read full article

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Welcome to Edition 7.44 of the Rocket Report! We had some interesting news on Thursday afternoon from Down Under. As Gilmour Space was preparing for the second launch attempt of its Eris vehicle, as part of the pre-launch preparations, something triggered the payload fairing to deploy. We would love to see some video of that. Please.

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.

Rotating detonation rocket engine takes flight . On Wednesday, US-based propulsion company Venus Aerospace completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico, Ars reports . It is believed to be the first US-based flight test of an idea that has been discussed academically for decades. The concept has previously been tested in a handful of other countries, but never with a high-thrust engine.

Read full article

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