-A Band-aid(bandge) was invented by Earle Dickson in 1920. -Electricity was invented in 1600 by william Gilbert. -in 1954,Becton,Dickinson and company created the first mass produced disposable syringe and needle,produced in glass. -Bengamin A.rubin invented a pronged vaccination needle used for smallpox vaccinations. -Dr.jonas salks invented polio vaccine in 1796. -louis pasteur invented anti rabies vaccine. -first malaria vaccine was invented by Dr Manuel pat arroyo. -Robert Adler invented wireless remote controle. -edwin Howard Armstrong US invented F M radio. -john Logy Baird,scotland color television. -

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Har shakhs ka dost us ke aqal he or us ka dushman jahil pan he "IMAM ALI RAZA A.S"