[网络] 向后压力传感器;反压力传感器

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2017年Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(四)月

The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(51) / 评论(0) 分类 VOA标准英语2010年(六)月

The Pike River Mine Commission is still listening to evidence about why 29 men died at the mine last November. Each day, we hear about things that were not right at the mine. There were money problems. The mine was losing money and the men were under

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 新西兰英语

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 趣味英语