1. the invention of computers 2. the invention of human kind 3. the invention of inventing!
The worlds most tallest pyrimids are in Egypt
Siberia definitely produces most of the worlds oil
The Chinese invention that was most affected would be the mechanical clock.
It would have to be:after the invention of the polio, rabies, and small pox vaccines; and after the invention of penicillin.after the invention of indoor plumbingafter the invention of electricityI guess I like the age I'm in.
The LeaveMeAloneBox is the worlds most useless machine. It's sole purpose is to turn itself off after you turn it on.See the related link.
Somebody by the name of Lester Clancy invented a cordless jump rope. See the links below.
The world's greatest invention is probably the wheel. Just think about how much we use them in society and where our world would be without them. - Indoor plumbing is another revolutionary life changing invention
Probably the most famous invention by a child was "braille."
The most important invention in world war 2 was the atomic bomb.
Electricity
Yes, China is the worlds most populated country with a population of 1.3 billion.
USA has the most cars.
With today's technology, there are many virtual worlds that exists. The most famous virtual worlds include World of Warcraft, Sim City, and Second Life.
nothing is useless. every subject is vital. stop with the nonsense questions and study!!
Steel.
Telephone & Electricity