New AI fitness coach explains bad form in real time to help prevent injuries

As any athlete will tell you, perfect practice makes perfect. But for individuals who do not have regular access to coaches or trainers, maintaining good form can be tricky. In fact, during the COVID-19 pandemic when many people were exercising at home, the U.S. Consumer Product Safety Commission reported a 48% rise in injuries related …

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Dynamically Splitting Wide Partitions in Cassandra for Time Series Workloads

By Rajiv Shringi, Kaidan Fullerton, Oleksii Tkachuk and Kartik Sathyanarayanan Introduction Netflix’s TimeSeries Abstraction is a scalable system for ingesting and querying petabytes of temporal event data with millisecond latency. We use Apache Cassandra 4.x as the underlying storage for these main reasons: Throughput, latency, and cost: Cassandra can handle millions of low‑latency reads and writes …

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The art and science of hyperparameter optimization on Amazon Nova Forge

Large language models (LLMs) deliver strong results on general tasks, but they often struggle with specialized work that requires understanding proprietary data, internal processes, or domain-specific terminology. Amazon Nova Forge addresses this by enabling you to build your own frontier models using Amazon Nova. You can start development from early model checkpoints, blend proprietary data …

LLMs help robots understand vague instructions and focus on key details

Imagine working at a warehouse or office sometime in the near future, and you’re asked to help a new trainee learn the basics of their job. The catch: It’s a robot. To teach them, you might want to play a game of “show and tell”—that is, physically showing how to do something a few different …