This gives a y-intercept of 0.2652 (1/cm). Since I know the slope should theoretically be -1, I fit an equation that only had the intercept as a free parameter. In order to make a moveable screen, I built a LEGO wall with paper taped to the front. This should be able to be projected onto a screen (and be much brighter and thus easier to see). With the flashlight on, I will get a bright section of paper around a dark arrow. It's just an arrow drawn on a piece of paper that is taped to the front of a flashlight. In order to get a brighter object, I am going to use this. If I used the Angry Birds Go! car, it might be difficult to get some useful data. Since the image distance changes with the object distance (but the focal length is constant), we can take some measurements to find the focal length. It turns out that the location of the image depends on both the focal length of the lens and the location of the object according to the following equation: One last thing about the lens before I take some measurements. Yes, that's the same car but it's upside down just like in the diagram above. If you like, you can imagine each of these rays are straight from a laser pointer. These light rays are one way to give a visual representation of the way light waves are traveling. The lens is curved such that parallel light rays pass through the lens and then converge at one point. The basic idea is that when light goes from air to this plastic, it can bend (refraction). The telepod stand just has one lens in it. The stand has a little lens in it so that the camera gets a magnified view of the code to scan it in and load your car. If you look at the bottom of the toy car, there is a small QR code. Pretty cool, right?īut there is some real physics here. When you place the car and stand on top of the camera in your phone, you can load that car into the Angry Birds Go! game. This one is for Angry Birds Go! it's a car that comes with a stand. Basically, this is something you can purchase in a real life store. Above you see one of the Angry Birds Telepods. Normally, I just like to make models of the physics (realistic or not) in the Angry Birds games - but this is a little different. Can you look at some real physics with Angry Birds? Of course.
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