Brain has a mind of its own


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Hamza Chaudhry

"Although a nuclear confrontation based on fake intelligence may seem unlikely, the stakes during crises are high and timelines are short, creating situations where fake data could well tilt the balance toward nuclear war. "The evolution of nuclear systems has led to further ambiguity in crises and shorter timeframes for verifying intelligence. An intercontinental ballistic missile from Russia could reach the U.S. within 25 minutes. A submarine-launched ballistic missile could arrive even sooner.  "Many modern missiles carry ambiguous payloads, making it unclear whether they are nuclear-tipped. AI tools for verifying the authenticity of content are not sufficiently reliable, making this ambiguity difficult to resolve in a short window. "The likeliest nuclear hotspots are also the arenas involving actors with low levels of trust on both sides — be that the U.S. and the Chinese Communist Party or Russia, or India and Pakistan. Even if communication is established in a...
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Perplexity

The year-old search engine , whose founders previously worked in A.I. research at OpenAI and Meta, has quickly become one of the most buzzed-about products in the tech world. Tech insiders rave about it on social media, and investors like Jeff Bezos — who was also an early investor in Google — have showered it with cash. The company recently announced that it had raised $74 million in a funding round led by Institutional Venture Partners, which valued the company at $520 million. Many start-ups have tried and failed to challenge Google over the years. (One would-be competitor, Neeva, shut down last year after failing to gain traction.)  But Google seems less invincible these days.   Many users have complained that their Google search results have gotten clogged with spammy, low-quality websites, and some people have started looking for answers in places like Reddit and TikTok instead.
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Thousands of students are doubtless relying on ChatGPT to prepare for finals this time of year. Instructors less initiated into this ever-evolving, new AI tool might be curious — what exactly are their students doing with it? Probably quite a lot of things, according to a recent study conducted by a group of BYU professors who had that very question. When ChatGPT burst onto the scene in early 2023, the professors noticed all kinds of confusion on social media about who should be using it and why. They decided to ask 455 BYU students to share the prompts they’d fed ChatGPT and the instructions their teachers gave them about the new tech. The results showed that students were taking advantage of the tool’s interactive, iterative nature to converse with ChatGPT as they might with an instructor. “As one of the students commented, ‘It is like my 24/7 TA,’” said BYU computer science professor Amanda Hughes, a co-author of the paper, which was published in the proceedings of 57th Hawaii Inter...
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