Related topics: light

Researchers solve colorful Kuiper Belt puzzle

The Kuiper Belt is a massive disk of icy bodies, including Pluto, that is located just outside of Neptune's orbit in our solar system. Objects observed in the Kuiper Belt exhibit a more diversified color range than any other ...

Color-changing material indicates when medications get too warm

Some foods and medicines, such as many COVID-19 vaccines, must be kept cold. As a step toward a robust, stable technique that could indicate when these products exceed safe limits, researchers in ACS Nano report a class of ...

Venice's Grand Canal turns bright green due to fluorescein

The spectacular transformation of a stretch of Venice's Grand Canal to fluorescent green was due to fluorescein, a non-toxic substance used for testing wastewater networks, local authorities said on Monday.

Study links 'stuck' stem cells to hair turning gray

Certain stem cells have a unique ability to move between growth compartments in hair follicles, but get stuck as people age and so lose their ability to mature and maintain hair color, a new study shows.

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