Smokeless powder e needle: o que têm em comum

1. Passo 1. Smokeless powder — evoluiu de — Gunpowder. A replacement for black powder.
2. Passo 2. Gunpowder — é utilizado em — Lança de fogo. A gunpowder charge.
3. Passo 3. Lança de fogo — evoluiu de — Spear. The fire lance was a spear with a tube of gunpowder — the first step to firearms.
4. Passo 4. Spear — tem como parte — Stone tool. Early spearheads were made of stone.
5. Passo 5. Stone tool — evoluiu para — Needle. Bone needles with an eye are part of the Palaeolithic toolkit.

Abrir Evothings