Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

While the Standard Model (SM) describes all known fundamental particles and many of the interactions between them, it fails ...

The galaxy sits in a sweet spot that allows astronomers to study it in ways that can't be applied to even our own Milky Way ...

I write my code according to docs/modules/chains/index_examples/vector_db_qa.ipynb, but the following error happened: Using embedded DuckDB without persistence: data ...