Learning a Unified Latent Space for Cross-Embodiment Robot Control

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arXiv:2601.15419v1 Announce Type: new Abstract: We present a scalable framework for cross-embodiment humanoid robot control by learning a shared latent representation that unifies motion across humans and diverse humanoid platforms, including single-arm, dual-arm, and legged humanoid robots. Our method proceeds in two stages: first, we construct a decoupled latent space that captures localized motion patterns across different body parts using contrastive learning, enabling accurate and flexible motion retargeting even across robots with diverse morphologies. To enhance alignment between […]

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New paper argues history, not mantle plume, powers Yellowstone

New paper argues history, not mantle plume, powers Yellowstone

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North America wouldn’t look much like it currently does without a tectonic plate that has largely been lost to the Earth’s geological history. The Farallon plate, which has since largely vanished underneath North America, helped build the West Coast by slamming large island chains into the continent as it disappeared. California wouldn’t exist without it, and one of the remaining fragments of the plate presently power the volcanoes of the Cascades. Now, a new paper suggests that the […]

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UK fines Reddit for not checking user ages aggressively enough

UK fines Reddit for not checking user ages aggressively enough

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A UK regulator today fined Reddit £14.5 million ($19.6 million) for not verifying the ages of users. The UK Information Commissioner’s Office (ICO) alleged that the failure to check ages resulted in Reddit illegally using children’s personal information. “Our investigation found that Reddit failed to apply any robust age assurance mechanism and therefore did not have a lawful basis for processing the personal information of children under the age of 13… These failures meant Reddit was using children’s […]

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Pianoroll-Event: A Novel Score Representation for Symbolic Music

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arXiv:2601.19951v1 Announce Type: new Abstract: Symbolic music representation is a fundamental challenge in computational musicology. While grid-based representations effectively preserve pitch-time spatial correspondence, their inherent data sparsity leads to low encoding efficiency. Discrete-event representations achieve compact encoding but fail to adequately capture structural invariance and spatial locality. To address these complementary limitations, we propose Pianoroll-Event, a novel encoding scheme that describes pianoroll representations through events, combining structural properties with encoding efficiency while maintaining temporal dependencies and local spatial […]

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Deep Reinforcement Learning for Optimal Portfolio Allocation: A Comparative Study with Mean-Variance Optimization

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Portfolio Management is the process of overseeing a group of investments, referred to as a portfolio, with the objective of achieving predetermined investment goals. Portfolio optimization is a key component that involves allocating the portfolio assets so as to maximize returns while minimizing risk taken. It is typically carried out by financial professionals who use a combination of quantitative techniques and investment expertise to make decisions about the portfolio allocation. Recent applications of Deep Reinforcement Learning (DRL) have […]

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Google: Don’t make “bite-sized” content for LLMs if you care about search rank

Google: Don’t make “bite-sized” content for LLMs if you care about search rank

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Search engine optimization, or SEO, is a big business. While some SEO practices are useful, much of the day-to-day SEO wisdom you see online amounts to superstition. An increasingly popular approach geared toward LLMs called “content chunking” may fall into that category. In the latest installment of Google’s Search Off the Record podcast, John Mueller and Danny Sullivan say that breaking content down into bite-sized chunks for LLMs like Gemini is a bad idea. You’ve probably seen websites […]

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Python Classes: The Power of Object-Oriented Programming

Python Classes: The Power of Object-Oriented Programming

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Python classes are blueprints for creating objects that bundle data and behavior together. Using the class keyword, you define attributes to store state and methods to implement behavior, then create as many instances as you need. Classes are the foundation of object-oriented programming (OOP) in Python and help you write organized, reusable, and maintainable code. By the end of this tutorial, you’ll understand that: A Python class is a reusable blueprint that defines object attributes and methods. Instance […]

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The HackerNoon Newsletter: 10 Noteworthy C and C++ Bugs Found in Open-Source Projects in 2025 (1/3/2026)

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How are you, hacker? 🪐 What’s happening in tech today, January 3, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Alaska became the 49th US state in 1959, The first block of the Bitcoin blockchain was mined in 2009, Panama leader Manuel Noriega surrendered to US authorities in 1990, and we present you with these top quality stories. From 10 Noteworthy C and C++ Bugs Found in Open-Source Projects in 2025 […]

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OpenCV Isn’t Magic — It’s Just Teaching Computers to See

OpenCV Isn’t Magic — It’s Just Teaching Computers to See

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Why most real-world computer vision systems rely on more than just AI models Source: Image by the author. Most people assume computer vision is something reserved for research labs and Big Tech. It isn’t. The camera on your phone that detects your face before you unlock it, the warehouse robot that reads barcodes at 60 frames per second, the traffic system that counts vehicles and flags violations — nearly all of them share a common layer underneath. Not a flashy AI model. Not […]

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The 10 Best Skins in Mortal Kombat 1

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I think it’s no secret that I was, for the most part, disappointed with the character designs in Mortal Kombat 1. Mortal Kombat 11 is the best-looking game in the franchise, and then to go to MK1 left a lot to be desired. However, I like to give credit where credit is due. MK1 did have some gems, quite a few in fact. So, here are the top 10 best skins in Mortal Kombat 1. P.S. I got […]

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