Deutsch: Maschine / Español: Máquina / Português: Máquina / Français: Machine / Italiano: Macchina
A machine is a physical device/tool, which is performing a specified job.
A machine
- is man made,
- needs energy (mechanical, chemical, electrical)
- are made for a specific purpose,
- has moving parts (historically, these parts can be seen. Today, some parts like data streams or electrical signals might be invisible)
- is controlled by a human. This control might be direct or indirect by a program
Examples
Examples for not beeing a machine
- the sun
- other humans
Uncertain
- A ship (too many independent single machines)
- the telephone network/internet (too many independent single machines)
- robots (Today (2014), they still might be called a machine, but the more they are learning from the environment and getting independent, the more it will be hard to consider them as machines)