Shadow, the toothbrush was invented in 3000 BC:
http://en.wikipedia.org/wiki/Toothbrush
Algebra, from the Babylonians, Indians and Greeks:
http://en.wikipedia.org/wiki/Algebra
The crank was Roman:
http://en.wikipedia.org/wiki/Crank_(mechanism)#History
Optics were developed by the (pre-Islamic) Egyptians and modified by the Greeks and Romans:
http://en.wikipedia.org/wiki/Optics#History
And hospitals, surgery and centres of learning far precede Islam:
http://en.wikipedia.org/wiki/Hospital#Early_examples
http://en.wikipedia.org/wiki/University#History
http://en.wikipedia.org/wiki/Surgery#History
I'm sure Islamic scientists have made innovations, of course. But the invention of entire fields would be a misnomer.
http://en.wikipedia.org/wiki/Toothbrush
Algebra, from the Babylonians, Indians and Greeks:
http://en.wikipedia.org/wiki/Algebra
The crank was Roman:
http://en.wikipedia.org/wiki/Crank_(mechanism)#History
Optics were developed by the (pre-Islamic) Egyptians and modified by the Greeks and Romans:
http://en.wikipedia.org/wiki/Optics#History
And hospitals, surgery and centres of learning far precede Islam:
http://en.wikipedia.org/wiki/Hospital#Early_examples
http://en.wikipedia.org/wiki/University#History
http://en.wikipedia.org/wiki/Surgery#History
I'm sure Islamic scientists have made innovations, of course. But the invention of entire fields would be a misnomer.