Planet or Plastic? is National Geographic’s multiyear effort to raise awareness about the global plastic trash crisis. Come to this page often to learn more, and find out what you can do to ...

As the Paris Olympics continue on, fans at home will notice how in some sports, like swimming and track, there's graphics ...

As the 2024 Summer Olympics get underway along the Seine in Paris, France, many folks will be watching new sports for the ...

The low(multiple) order waveplate is designed to give a retardance of several full waves, plus the desired fraction. This result in a single, physically robust ...

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