In current times the computer because it can be such a time saver. Thee are drawbacks these days because too much time is wasted on networking, trawling etc. which in many cases in my mind is a complete waste of time. I think is dangerous to young people because they are not learning, exercising or being aware of their surroundings.
Comments
Saffron commented on :
In current times the computer because it can be such a time saver. Thee are drawbacks these days because too much time is wasted on networking, trawling etc. which in many cases in my mind is a complete waste of time. I think is dangerous to young people because they are not learning, exercising or being aware of their surroundings.
Partha commented on :
Pencillin from a medical point of view as it saved millions from dying.
Overall- possibly the telephone- connected many in a flash
Amy commented on :
Antibiotics or anaesthesia. Also sewage systems and clean water supplies. All saved countless lives!