How Much Does a Shadow Weigh?
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Today I will tell you S ome Interesting Fact About Shadow in this blog: I'm dam sure that we all love to have fun with hand shadows, but how much does a shadow weigh we think also about that?๐ช I know it might sound like a silly question. ๐ I mean, a shadow cannot be put on a scale and weighed. But, actually, the material that falls on top can be weighed. And we all knew that light has energy. In fact, when light encounters an object, it pushes that object just a little bit. On the surface of the earth, when sunlight is hitting it, every square inch is being pushed with a force of about 1 billion of a pound, which is basically nothing. But, over a large enough surface area, the results can be pretty fun. I have actually some examples: On a sunny day, the city of Chicago weighs 300 pounds more, simply because sunlight is falling on it and pushing it. In outer space, where the solar wind isn't filtered by Earth's atmosphere or magnetic field, their results are...