the.com/chemical
the universe's entire vocabulary, written in atoms that refuse to lie about what they are.
means A substance with a defined molecular composition, whether a pure element or a compound made by combining them — the basic stuff matter is built from and reacts as.
from It grows out of "chemistry," which traces back through Latin "alchymia" to Arabic "al-kīmiyā" — the alchemy that obsessed over turning base metals into gold. The Arabic word itself may descend from Greek "khēmeia," possibly tied to an old name for Egypt (Kemet, "the black land") or to a Greek root for pouring and casting metal — the scholars still argue. So "chemical" carries the ghost of alchemists in smoky workshops, long before anyone knew an atom from an angel.
- everything counts
- Water is a chemical; so is your breakfast.
- naming chaos
- One molecule's full name runs 189,819 letters long.
- alchemy's ghost
- Chemistry was born from failed attempts to make gold.
- caffeine truth
- Your morning fix is technically a mild insecticide.
- smell is chemistry
- Noses detect roughly one trillion distinct chemical signatures.