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PS: You should read from bottom to the top ;)

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Thank You

By Zekai Zheng & Xuan Wang

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The End

After finishing this exercise, we realized how much the digital revolution, internet, WiFi and high-tech multimedia tools have changed our lives completely, how inconvenient and boring it would be if we don’t have all of these. 10 years ago, I was bringing my ipad 1 to every Mcdonald’s and Starbuck just to use their public WiFi to download some games and movies because I didn’t have WiFi in my house. 10 years later, I can’t live without WiFi. Maybe sometimes we need to put down our self-phones and laptops and try to think what the people in the past would do when they didn’t have all those fun technologies, how did they have fun, how did they invent projectors, moving pictures, movies, and all kinds of stuff just for enterainments. Maybe we need to look back to move forward.

                                                                                                             ----Zekai

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The problems that we have run into

There are 2 problems that we have run into during the process of testing and adjustment.

The first problem we noticed was that the video that we project is left and right side reversed. We already knew that the video would be projected unpside down, so we put our phone upside down, but we didn’t expect it would alse be projected left and right side reversed. Then we solved the problem bying finding another video player app which can reverse videos from left to right.

The second problem we realized was that the video we were projecting was not as big as we expected, due to the limited size of our magnifying glass. And becuase of the Covid-19 and quarantine, we could not find a magnifying glass which is obviously larger than the one we already have. Therefore, we can not solve this problem right now, but the solution to this problem is pretty clear.

                                                                                                        ----Zekai

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This is how our low-tech projector looks like

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This is how it looks inside.

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Demonstration 2

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Demonstration 1

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The Planning

First, we searched online about the working principle of the projector and some information about the structure of the projector, and learned that the principle of the projector is actually an inverted and enlarged real image on an empty plane after the image is illuminated by a light source through a convex lens. In brief, the projector is used to enlarge the image, so my partner and I decided to make a simple version of the analog projector. This analog projector can be made with only three things: a magnifying glass, a box and a phone holder. First step is cut a hole in one side of the box to paste the magnifying glass, and then put the prepared phone holder and mobile phone in the box (you must move the position of the mobile phone holder while observing the image clarity through the magnifying glass). And finally, put the lid on and enjoy the video. In order to let people know what this simple projector looks like more intuitively, I drew this perspective drawing.

                                                                                                               ----Xuan

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When was the last time you went to cinema to watch a movie?

When was the last time you went to cinema to watch a movie? A month? Two months? Half a year? I haven’t gone to cinema to watch a good movie since March, 2020, when the quarantine began. But why? Why do people want to spend more money going to cinema, buying those overpriced popcorn and drinks, sitting in those uncomfortable chairs with such small legs space just to watch a movie which people can just watch at home?

When the digital revolution came, everything changed. Books were compressed into bytes, music was being digitalized, movies became resources online. In one Netflix website, there are thousands of movies that you could never finish them all in one life time. Algorithm recommendations, top trending movies of the week, “movies that friends like”, everything is so within reach, everything is so out of reach. I thought I have everything in my hand, but what I really have is just some monthly access permissions. So, the answer slowly becomes clear, that why in 2020, people still want to go to cinema to watch a movie. We go to cinema waiting in the dark, tightening our legs, bearing the sound of others chewing popcorn, holding the hands of our love ones, and knowing something amazing and wonderful is about to happen behind those theater curtains.

 This love for movies drove us to make this low-tech multimedia tool, a projector, to replace the more common hi-tech and expensive cinema projector, and to recreate to feeling of the movie theater.

                                                                                                           ----Zekai

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MMEDIA 1A03

2nd Multimedia Exercise (Option 1)

By Zekai Zheng & Xuan Wang