Why Semantic Layers Matter — and How to Build One with DuckDB
Many ask themselves, “Why would I use a semantic layer? What is it anyway?” In this hands-on guide, we’ll build the simplest possible semantic layer using just a YAML file and a Python script—not as the goal itself, but as a way to understand the value of semantic layers. We’ll then query 20 million NYC […]
Scientists show how to turn lunar soil fertile for agriculture
Seedlings of the tobacco relative benth, Nicotiana benthamiana, grow in simulated lunar soil in a laboratory at the China Agricultural University in Beijing, China, in this undated handout image obtained by Reuters on November 9, 2023. | Photo Credit: Reuters If humankind is ever to establish long-term bases on the moon, there will be a […]