潜水简介：
- 由于加利福尼亚大学 - 伯克利大学的工程师和台湾国立交通大学。的findings were published Monday in the online international journal Microsystems & Nanoengineering.
- 研究人员在牛奶纸箱上测试了智能帽，他们迅速颠倒了，以使牛奶进入3-D打印的电气传感器，然后将其排除在冰箱中36小时。
- “The property of milk changes gradually as it degrades, leading to variations in its electrical characteristics. Those changes were detected wirelessly using the smart cap, which found that the peak vibration frequency of the room-temperature milk dropped by 4.3 percent after 36 hours. In comparison, a carton of milk kept in refrigeration at 39.2 degrees Fahrenheit saw a relatively minor 0.12 percent shift in frequency over the same time period," according to Berkeley News.
潜水见解：
为了创建智能帽，研究人员必须找到与传统在3-D打印中使用的聚合物不同的材料集，以包含敏感的电子组件，因为传统的聚合物是电力较差。智能帽中的电路”detect the changes in electrical signals that accompany increased levels of bacteria," Berkeley News explained. This makes the smart cap a beneficial sensor for spoilage in milk and other food products.
3-D打印的食物has been a much-discussed topic in the industry, but using 3-D-printed electronics as a form of食品安全技术对于食品和3D印刷行业来说，都是令人兴奋的发展。当材料变得足够负担得起时，将来食品制造商更容易在包装操作中包括这些易于大规模生产的，智能的帽子和类似的智能传感器。这可以使这些食品公司更加信誉，因为消费者会欣赏该公司的透明度也是。
