Stars and particles

Yesterday I posted five new tools . Today there are two more, and they are both science. My mother got me going when I was 8. She pointed to the sky just above the apartment building where we lived (Tveita, Oslo) and said, “Do you see those three stars up there? That’s the belt of Orion”. I was hooked. Four years later I was hanging out at Oslo University bugging professors in astrophysics with…