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Jan 19, 2024

A simple technique to defend ChatGPT against jailbreak attacks

Posted by in categories: cybercrime/malcode, ethics, robotics/AI

Large language models (LLMs), deep learning-based models trained to generate, summarize, translate and process written texts, have gained significant attention after the release of Open AI’s conversational platform ChatGPT. While ChatGPT and similar platforms are now widely used for a wide range of applications, they could be vulnerable to a specific type of cyberattack producing biased, unreliable or even offensive responses.

Researchers at Hong Kong University of Science and Technology, University of Science and Technology of China, Tsinghua University and Microsoft Research Asia recently carried out a study investigating the potential impact of these attacks and techniques that could protect models against them. Their paper, published in Nature Machine Intelligence, introduces a new psychology-inspired technique that could help to protect ChatGPT and similar LLM-based conversational platforms from cyberattacks.

“ChatGPT is a societally impactful artificial intelligence tool with millions of users and integration into products such as Bing,” Yueqi Xie, Jingwei Yi and their colleagues write in their paper. “However, the emergence of attacks notably threatens its responsible and secure use. Jailbreak attacks use adversarial prompts to bypass ChatGPT’s ethics safeguards and engender harmful responses.”

Jan 19, 2024

“Dirt-powered fuel cell” draws near-limitless energy from soil

Posted by in categories: biological, chemistry

A Northwestern University team has demonstrated a remarkable new way to generate electricity, with a paperback-sized device that nestles in soil and harvests power created as microbes break down dirt – for as long as there’s carbon in the soil.

Microbial fuel cells, as they’re called, have been around for more than 100 years. They work a little like a battery, with an anode, cathode and electrolyte – but rather than drawing electricity from chemical sources, they work with bacteria that naturally donate electrons to nearby conductors as they chow down on soil.

The issue thus far has been keeping them supplied with water and oxygen, while being buried in the dirt. “Although MFCs have existed as a concept for more than a century, their unreliable performance and low output power have stymied efforts to make practical use of them, especially in low-moisture conditions,” said UNW alumnus and project lead Bill Yen.

Jan 19, 2024

New study: universe rapidly expanding, consistent with century-old Einstein theory

Posted by in category: cosmology

A group of over 400 scientists have spent the last decade studying supernovae with unprecedented results about the expansion of space and the role of dark energy.

Jan 19, 2024

5 Earth-like worlds may lurk in the outer reaches of the solar system, simulations suggest

Posted by in category: space

The young sun may have captured several Mars-or Mercury-size exoplanets that now orbit in the outer reaches of the solar system, but identifying them will be extremely challenging.

Jan 19, 2024

Calculus on Computational Graphs: Backpropagation

Posted by in categories: information science, robotics/AI

Backpropagation is the key algorithm that makes training deep models computationally tractable. For modern neural networks, it can make training with gradient descent as much as ten million times faster, relative to a naive implementation. That’s the difference between a model taking a week to train and taking 200,000 years.

Beyond its use in deep learning, backpropagation is a powerful computational tool in many other areas, ranging from weather forecasting to analyzing numerical stability – it just goes by different names. In fact, the algorithm has been reinvented at least dozens of times in different fields (see Griewank (2010)). The general, application independent, name is “reverse-mode differentiation.”

Fundamentally, it’s a technique for calculating derivatives quickly. And it’s an essential trick to have in your bag, not only in deep learning, but in a wide variety of numerical computing situations.

Jan 19, 2024

Pattern recognition in the nucleation kinetics of non-equilibrium self-assembly

Posted by in categories: physics, robotics/AI

Can the intrinsic physics of multicomponent systems show neural network like #Computation? A new study shows how molecules draw on the rules of #physics to perform computations similar to neural networks:


Examination of nucleation during self-assembly of multicomponent structures illustrates how ubiquitous molecular phenomena inherently classify high-dimensional patterns of concentrations in a manner similar to neural network computation.

Jan 19, 2024

North Korea Unveils New Missile Designed for US Mainland Strike

Posted by in categories: energy, existential risks, military

North Korea claimed to have launched a new solid-fuel, intermediate-range missile with a hypersonic warhead, aiming to test its reliability and maneuverability. The missile, designed to strike U.S. military bases in Guam and Japan, flew approximately 620 miles before landing between the Korean Peninsula and Japan. The test follows a previous claim of successfully testing […] The post North Korea Unveils New Missile Designed for US Mainland…

Jan 19, 2024

I literally spoke with Nvidia’s AI-powered video game NPCs

Posted by in category: futurism

This feels inevitable.

Jan 19, 2024

Wolfram Alpha, Meet ChatGPT: Stephen Wolfram Talks Intelligence And Large Language Models

Posted by in category: robotics/AI

They’re two great tastes that taste great together. Or rather, they’re two technologies that, put together in collaborative ways, are becoming much more powerful!

Marvin Minsky famously said that the brain is not one computer, but several hundred computers working in tandem. If that’s true, ChatGPT’s cognitive power just got a boost with the creation of a Wolfram Alpha plug-in that allows for the two systems to send and receive natural language input, so that ChatGPT systems can utilize a different system of symbolic representation that had already been pioneered before the days when we could just ask a computer to write an essay.

We heard early this year that teams were working on this merge, and it’s been interesting to the AI community. Now it’s come to fruition.

Jan 19, 2024

Generative AI helps to explain human memory and imagination

Posted by in category: robotics/AI

Recent advances in generative AI help to explain how memories enable us to learn about the world, relive old experiences and construct totally new experiences for imagination and planning, according to a new study by UCL researchers.

The study, published in Nature Human Behaviour, uses an AI —known as a generative neural network—to simulate how in the brain learn from and remember a series of events (each one represented by a simple ).

The model featured networks representing the hippocampus and neocortex, to investigate how they interact. Both parts of the brain are known to work together during , imagination and planning.

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