How do we waste energy?

In this exercise you have to add a comment on how we waste energy in our enviroment/neighbourhood and give an idea to correct this situation

Machines: Wikipedia

Wikipedia: Machine
Visit the Wikipedia page, read the article and answer:

1. What is a machine
2. Which types of energy can a machine use?
3. Where does the word machine come from?
4. List the main types of machines
5. What was the ancient requirement to classify as a machine?
6. Explain what an "automata" is? 

Video megaestructures: antonov AN225

• Which are the dimensions of the aircraft?
• Which other plane is it based on?
• Which purpose was the plane made for?
• When was it built?
• Who was Olev Antonov?