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From ancient Egyptian sarcophagi bathed in lapis lazuli to a synthetic pigment accidentally created in a lab that’s already being patented and marketed as ‘the bluest blue ever,’ blue is the rarest—and perhaps the most celebrated—color on earth. But why is it so hard to make and why are we are so enamored with it?

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[Plant Pigment Analysis] Hello. Thank you for joining me today for today’s video on Plant Pigment Analysis. My name is Cynthia Sargent, and I’m the biology curriculum developer here at PASCO scientific. I want to show you how you can enhance a traditional lab activity using two sensors: a Colorimeter and a Spectrometer. A lot

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If you look at a map of the US power grid, it looks like a spider web blanketing the entire country. It’s a patchwork that formed after communities that got their power locally were slowly stitched together to create a massive network. So could we scale that up even bigger? Could we connect the entire

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Okay Josh do you want to see something cool? Yeah! Okay, so I’m gonna light this candle and what should happen is the wick burns… And what happens now? It will melt? See, it melts Oh yeah you’re right so once it’s got a little wax around I’m going to blow it out and I

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Shawn Carter:  It’s my pleasure to introduce Dr. Richard Palmer. Rick is Professor and Department Head at the Civil and Environmental Engineering Department at UMass Amherst. He also serves as our university director at the Northeast Climate Science Center, which is based there. It’s one of eight national centers funded by the USGS with Department

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EVERY physical variable (distance, time, mass, speed, energy, and so on) has units of measurement. For example, the agreed-upon international unit of speed (and of velocity) is the meter per second, abbreviated m over s. Sometimes international units are inconvenient. For example, if you happen to be speeding in the United States, you might need

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