See the solar eclipse using nature's pinhole camera, tree leaves
On Monday afternoon, much of the United States will have the rare opportunity to experience a solar eclipse. While those in a small swath of the country will see a total eclipse, most of us — including Philadelphia-area residents — will see the moon covering about 80 percent on the sun. That partial eclipse will appear as millions of tiny crescents covering the city’s sidewalks. Of course, you can witness the eclipse by looking up at the sun — just be sure to wear protective eyewear because even an eclipsed sun can damage your eyes. As the date approaches, special solar glasses are becoming harder to find. At the Franklin Institute on Thursday morning, dozens of people lined up on the promise that eclipse glasses would be available. They weren’t — the shipment had not yet arrived. “Turns out you don’t need eclipse glasses to see what’s happening,” said Jayarti Das, chief scientist at the Franklin Institute. “We can see the shadow of the eclipse in real time projec...