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how to make pinhole camera

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  In this instructable, I will show you how to make a pinhole camera. This is a camera with no lenses, just an aperture through which light travels to the film or image sensor. It has limited capabilities, but can produce some interesting images under the right conditions. The images it creates are upside down because the film/sensor is placed on top of the box and light travels from above downwards. This camera is particularly useful if you are doing something like an astrophotography and the weather is poor, or you want to avoid using a tripod, or if you want to leave your camera in your pocket. It might also come in handy for basic photography of landscapes and other scenes. There are different ways of making a pinhole camera ranging from very simple to complicated. You can make one out of plastic (similar to this) or metal, and then find lenses that express the light as it enters them, (it's not required though), and seal them with some kind of material so that light can

how to make drone with camera

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  Write an introduction to an informative and factual blog post titled "How to Publish a Book". Here is a brief on what the article is going to be about: "Publishing your own book can build credibility,  Image source: https://www.amazon.com/ even if your name isn't Stephen King or John Grisham. It's also a lot of work. And publishing without having written anything is even more difficult,  Image source: https://www.pinterest.com/ but you don't need an agent or publisher. After all, if we've learned one thing from Oprah, it's that everyone has a story". Image source: https://www.flipkart.com/ There are many steps you need to go through before you'll see your story in print for the first time. Things like: Image source: https://www.tatacliq.com/ Choose a title. Something short, which will be easy to remember. (remember: people will be reading it every day, so you don't want it too long) Choose a cover.  Image source: https://paytmma