Search results for “pinhole”

How a pothole is created

How does a pothole form in the asphalt? What makes it visible, and what role does the weather play? Authors: ZDF Terrax/Ionna Engel/Anna-Lena Neidlinger Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

ScienceCasts: The 2017 Total Solar Eclipse

On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today will be trained on the Eclipse Across America. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. eclips