1. Fire Control of fire was a key development for human civilization. It provided heat, light, and the ability to cook, ability to made different things which helped humans survive and develop. 2. Wheel The wheel has been around for 5,500 years and has had a huge impact on the world till date. 3. Printing press Printing press was invented by Johannes Gutenberg, the prinIn 1876 Alexander Graham Bell spoke the first words over a telephone. He said, “Mr. Watson, come here. I want you.” The telephone made it possible for people to communicate quickly and efficiently. It also made it much more convenient for businesses to conduct their affairs. Cellphones changed the world because three-quarters of the people on Earth now have a mobile phone, and most have access to the internet. Ting press is one of the major and greatest inventions of the past 1,000 years. 4. Light, Bulbs Light Bulb was invented by Thomas Edison, the light bu...
