Chlorophyll fluorescence illuminates plant function

Chlorophyll, the green pigment found in plants and algae, emits faint red and far-red light when illuminated during photosynthesis. This so called chlorophyll-a fluorescence conveys information about the instantaneous rate ...

Silicon core fishbone waveguide extends frequency comb

Frequency combs are becoming one of the great enabling technologies of the 21st century. High-precision atomic clocks, and high-precision spectroscopy are just two technologies that have benefited from the development of ...

Making bismuth behave like a transition metal

A team of researchers at the Max Planck Institut für Kohlenforschung has found a way to get bismuth to behave like a transition metal. In their paper published in the journal Science, the group describes their method to ...

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