Either b/c someone thinks of a new and better way of doing an old task, or b/c a new tool is needed to perform a new task.
stone head spears and other hunting tools
It depends on what kind of tools.
Hand tools go back thousands of years and were invented as people needed them.
They invented hand tools for farming
They invented hand tools for farming
The old stone age was characterized by not having tools. The middle stone was characterized by having invented tools. The new stone age was characterized by farming and having better tools.
Though he did not explore anything himself, he funded many expiditions and invented new inventions and navigational tools to help ships get to Asia.
nachos
The Phoenicians.
His tools, usually.
People from mars invented tools so they could hit each other with then and kill them. it was invented in the 19th century. not long after that Egypt invented them to gang bash people if they did not do what they told.
Deees nuts