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Summary | 4 Annotations
she learned that 8 million metric tons of plastic end up in the oceans every year—and that’s in addition to the whopping 150 million metric tons that are already there.
2019/06/18 12:32
a remote-operated vehicle, or ROV, that can move through water and spot plastics on the ocean floor.
2019/06/18 12:32
She uses a high resolution infrared camera along with three different kinds of light to spot the plastic. Du’s detection methods are comprised of two different wavelengths of infrared light, which illuminate the absorption spectra in microplastics and make them stand out from the sand and plant life. She also uses visible light to spot unnatural colors that might make the plastics stand out.
2019/06/18 12:35
The apparatus doesn’t actually collect the microplastics, but it does identify where they are accumulating. She has applied for a patent on the functional elements of the ROV.
2019/06/18 12:35