Computers!

Internet

That's a tricky one. I'd say the electric generator because it's how pretty much all our power is generated (apart from solar).

Internet.

Anything by Nikolai Tesla.

The concept of forbidden fruit. (Thanks for taking a bite out of that apple, Eve.)

wheel :)

Language

indoor plumbing

Math

Thanks for another one geoglitch !

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What do you consider the best invention on earth?

I'll say the printing press, since it helped lead to widespread availability of information and literacy :-)

Antiseptics

Vielen Dank!

Mathematic or Computers~

Best invention was a divine one = LOVE.. without it, life is meaningless

language

Thanks a ton for the game.

And the greatest invention in history? Math, especially calculus, without which our understanding of the world and our modern technology would not exist.

Thanks a lot!

And the best invention is obviously sliced bread. Mankind wouldn't be where it is now without it!