New soil sensor may improve efficiency of crop fertilization

Measuring temperature and nitrogen levels in soil is important for agriculture systems but detecting them apart from one another is difficult to do. Huanyu "Larry" Cheng, James L. Henderson, Jr. Memorial Associate Professor ...

Laser writing may enable 'electronic nose' for multi-gas sensor

Environmental sensors are a step closer to simultaneously sniffing out multiple gases that could indicate disease or pollution, thanks to a Penn State collaboration. Huanyu "Larry" Cheng, assistant professor of engineering ...

A new chromium complex emits light in elusive NIR-II wavelength

Many applications, from fiber-optic telecommunications to biomedical imaging processes require substances that emit light in the near-infrared range (NIR). A research team in Switzerland has now developed the first chromium ...

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