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how to make a projector with a magnifying glass (2)

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  A projector is a device that projects an image on a screen using water and the Sun and it doesn't require electricity. This article will go through making one with your own hands. Step 1: Get a magnifying glass and clear plastic sheet or windowpane Step 2: Position the magnifying glass so the beam of light shines onto the plastic surface Step 3: Move the sheet until you find an image on it Step 4: Turn your projector towards a wall or screen Step 5: Try to create an image on the screen by moving the sheet as you would move a slide with your hand.   Image source: https://www.lg.com/ Here is a brief on what the article is going to be about: "This article will tell you how to make a projector with a magnifying glass. You can use it for group presentations or just as an activity”. A projector can be great if you want to show something on the wall, but they're often expensive and hard to find. Luckily, it's easy in theory (and pretty easy in practice) to m

how to make a projector with a glass cup

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  A projector is a device to project an image onto a surface such as a wall or screen. The light beam can originate from various sources, including electronic light sensors or lamps, liquid crystal displays, cathode ray tubes (CRTs), plasma screens and light emitting diodes.      Image source: https://www.homedepot.com/ A LCD will not produce an actual projection on the front of the glass cup but it will become translucent so that you can use your hand to illuminate the inside of the cup."   Image source: https://www.dell.com/ Many people have tried this idea before without success. It's just not possible to make an object that reflects ultraviolet light back after you put it in front of the projector lens. Unfortunately I am not a physicist and can't explain why that is. The only thing I know for sure is that you can't do it, but you can see what happens when you try anyway.   Image source: https://www.croma.com/ You should always use protective equipment on any