Now Susan Mayne, who is a Professor here in the School of Public Health, has done some very interesting work with an electronic device that can be passed over the palm of your hand and measures pigmentation in the hand as a way to assess vegetable intake in people.

苏珊·梅恩,我们公共卫生学院的教授,做了些值得关注的工作,通过电子设备,扫描你的手掌,测算其上色素沉淀,可以得出人们蔬菜的摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Understand that with regard to higher education there is a fundamental public purpose to be served and even though the market may be an extraordinary device for sorting, for pricing, for determining who gets what, ultimately the market in the service of the public good is the most powerful potential device we have for ensuring that higher education serves public purposes.

BBC: NEWS | UK | Education | Higher education 'market' warning

Arguably, the PC has had more impact on public relations than any other device.

FORBES: Defining PR: Words with Friends

Friends, a cooperative healthcare device is the public option just with a better poll tested name...

BBC: Obama may soften healthcare plan