6、家庭安全系统——玛丽•布朗

A nurse, who was often home alone, Marie Van Brittan Brown came up with an idea that would make her feel safer.

玛丽•布朗是一名护士，她经常一个人在家。所以她想了一个办法，让自己更有安全感。

Together with her husband Albert, Van Brittan Brown developed the first home security system in response to the rising crime rates and slow police responses of the 1960s.

为了应对上世纪60年代的犯罪率上升以及警方的低效行动，布朗和丈夫阿尔伯特一起发明了世界上第一个家庭安全系统。

The device was complicated, with a camera powered by a motor which moved up and down the door to look through a peephole.

这个设备中的摄像头由马达驱动，沿着门上下移动，通过窥视孔进行观察，结构十分复杂。

A monitor in her bedroom also came equipped with an alarm button.

她卧室的监视器装有报警按钮。

7. Stem cell isolation - Ann Tsukamoto

7.干细胞分离技术—— 安冢本

Her patent was awarded in 1991 and since then Tsukamoto's work has led to great advancements in understanding the blood systems of cancer patients, which could lead to a cure for the disease.

这项专利于1991年获得认证。从那时起，安冢本的这项技术大大促进了人们对癌症病人血液系统的了解，为癌症的治愈开拓了新道路。

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