问答题

过去50年其实并不是发明创新的黄金时期。从1900年到1950年，改变人类生活的发明有汽车、飞机、电话、收音机、电视机—当然还有核武器和计算机。而近50年来，只有为数不多的发明。难道发明的源泉已经枯竭了吗答案并非如此。事实上，发明的新时代刚刚开始。

【参考答案】

[参考译文] Actually the last fifty years was not the golden age ......

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