Skip to content

BBG NEWS

  • Science
  • Who is Denis Avetisyan?

Science

Seeing the Unseen: NMR at the Single-Molecule Level

December 14, 2025 by BBG News

Nanoscale nuclear magnetic resonance detected a single shallow phosphorus-6 center, revealing a gyromagnetic ratio of $4.25 \pm 0.08$ kHz/G and establishing a depth of approximately 2.00 ± 0.04 nm through analysis of coherence dips and dynamical decoupling sequences, demonstrating the potential for high-resolution depth profiling at the nanoscale.

Researchers have achieved nanoscale nuclear magnetic resonance using a silicon carbide-based spin sensor, opening doors to atomic-resolution imaging of molecular structures.

Categories Science

Harmonious Motion: Teaching Robots to Walk with Confidence

December 14, 2025 by BBG News

The system iteratively refines its state through discrete steps - a “Symphony-S2” return - acknowledging that even complex behaviors emerge from the accumulation of simple, sequential adjustments, and hinting at the inherent fragility of any attempt to orchestrate perfect control.

A new reinforcement learning algorithm, Symphony, dramatically improves the sample efficiency and safety of humanoid robot locomotion.

Categories Science

Smarter Optimization: Machine Learning Boosts Mixed-Integer Programming

December 14, 2025 by BBG News

The comparison of optimization solvers-Gurobi, PaS, and ID-PaS-demonstrates a decreasing “Primal Gap” over time, averaged across 100 test instances per benchmark, indicating improved solution quality as the optimization progresses, with each solver exhibiting distinct convergence rates.

A new machine learning framework, ID-PaS, dramatically improves the performance of a key optimization technique by learning from the structure of mathematical problems.

Categories Science

Smarter Software Testing: Harnessing Domain Expertise

December 14, 2025 by BBG News

A new review explores how incorporating specialized knowledge can significantly improve the effectiveness of automated software testing, particularly for complex cyber-physical systems.

Categories Science

From Words to Movement: A New Path for Realistic Motion Capture

December 13, 2025 by BBG News

The system aligns language, geometric motion, and visual appearance within a shared embedding space-facilitated by training on real-world videos and point trajectories-to decode text descriptions and initial grid masks into physically plausible trajectory sequences, effectively generating motion without requiring video synthesis.

Researchers have developed a framework that translates natural language descriptions into lifelike human movements, offering a significant advance over video-based approaches.

Categories Science

The Recursive Mind of AI: Mapping Language Model Behavior

December 13, 2025 by BBG News

The study demonstrates that an exploratory trajectory’s evolution can be characterized by both local geometric relationships-quantified as distances and similarities between consecutive embeddings $e_t$ and $e_{t-1}$-and global relationships measured relative to the initial embedding $e_0$.

New research reveals how we can visualize and understand the complex, self-referential processes unfolding within large language models.

Categories Science

Smarter Stopping: AI Learns to Brake for Safety

December 13, 2025 by BBG News

Under conditions of low latency, the performance of both Proximal Policy Optimization (PPO) and Soft Actor-Critic (SAC) algorithms was assessed, demonstrating their responsiveness within constrained communication environments-a critical factor for real-time control systems where minimal delay is paramount for stable and efficient operation, as indicated by the training curves.

New research demonstrates how deep reinforcement learning can dramatically improve emergency braking systems and reduce harm in multi-vehicle collisions.

Categories Science

Mapping the Terrain of Learning Analytics

December 13, 2025 by BBG News

The axiomatic framework of local autonomy is built upon five fundamental principles: the discreteness of time, the construction of observation, the formulation of experience, the mechanism of state transition, and the process of inference-each axiom contributing to a cohesive system for navigating and interacting with an environment.

A new axiomatic system formally defines the core components of learning analytics, providing a foundation for rigorous research and practical application.

Categories Science

Learning to Control Without Labels: A New Approach to Reinforcement Learning

December 13, 2025 by BBG News

A latent action representation enables the combination of extensive action-free data with limited action-conditioned data, facilitating offline reinforcement learning paradigms such as C-LAPc-lap and offering a pathway to leverage both data sources effectively-a technique grounded in the principle that a comprehensive dataset, even with varying levels of conditioning, yields a more robust and provable learning outcome.

Researchers have developed a novel method for training agents using both labeled actions and unlabeled trajectories, significantly reducing the need for costly and time-consuming data annotation.

Categories Science

Searching for Life’s Fingerprints on Distant Worlds

December 13, 2025 by BBG News

The kinetics model VULCAN, employing temperature-sampled average profiles, demonstrates how varying boundary conditions-across models M1 through M5-fundamentally reshapes the atmospheric distribution of key molecules-including $H\_2O$, $O\_3$, $CH\_4$, $CO$, $CO\_2$, $OH$, $HCN$, $O\_2$, $H\_2$, $NO$, $NO\_2$, $N\_2O$, $SO\_2$, and $H\_2SO\_4$-revealing the fragility of atmospheric composition predictions.

New modeling reveals how future telescopes might detect key atmospheric gases indicative of life on Earth-like exoplanets.

Categories Science
Older posts
Newer posts
← Previous Page1 … Page74 Page75 Page76 … Page138 Next →
© 2026 BBG NEWS • Built with GeneratePress