Abstract: The wind deflection of overhead contact lines (OCLs) challenges the stable and safe operation of electrified railways. The steady wind causes the static deflection of the contact line, while ...

Explore how the DART mission advanced planetary defense using kinetic impactor technology and impactor hardware to enable real-world asteroid deflection strategies. Pixabay The concept of planetary ...

Abstract: Sensorless force estimation of a variable stiffness actuator (VSA) is crucial for safe physical human–robot interaction. The current-based method suffers from inaccurate model parameters and ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

The man was far from his former life when Dallas Area Rapid Transit police encountered him at a bus station on Bryan Street. Once an airline employee, he developed a drinking problem and was now ...

A new study by Shanghai Jiao Tong University and SII Generative AI Research Lab (GAIR) shows that training large language models (LLMs) for complex, autonomous tasks does not require massive datasets.

After NASA smashed a spacecraft into an asteroid, its orbit slowly but surely changed over the next month, and astronomers can’t explain why. In 2022, the Double Asteroid Redirection Test (DART) flew ...