英语翻译
The scientific idea being ridiculed is not some wild dream like everlasting motion,but the humble little electric light bulb,which three generations of men have taken for granted,except when it burns out and leaves them in the dark.Yet although in this matter Edison saw far beyond his contemporaries,he too in later life was guilty of the same shortsightedness that caused trouble to Preece and Co.,for he opposed the introduction of alternating current.